| Metawater Group Retirement Plan | Metawater USA, Inc. | Loves Park | IL | DC | 328 |
| Metco Treating & Development Company 401(k) and Profit Sharing Plan | Metco Treating & Development | Chicago | IL | DC | 159 |
| Metro East Industries Retirement Savings Plan | Metro East Industries, Inc. | Fairview Heights | IL | DC | 393 |
| Metro Infectious Disease Consultants, LLC Profit | Metro Infectious Disease Consultant | Burr Ridge | IL | DC | 628 |
| Metropolitan Family Services 401(k) Plan | Metropolitan Family Services | Chicago | IL | DC | 1,911 |
| Metropolitan Family Services Employees' Pension | Metropolitan Family Services | Chicago | IL | DB | 138 |
| Metropolitan Industries, Inc. 401(k) Savings Plan | Metropolitan Industries, Inc. | Romeoville | IL | DC | 165 |
| Metro Storage LLC 401(k) Plan | Metro Storage LLC | Lake Forest | IL | DC | 132 |
| M. H. Logistics Corporation 401(k) Retirement & Savings Plan | M. H. Logistics Corporation | Peoria | IL | DC | 1,208 |
| M. Holland Company 401(k) Profit Sharing Plan and Trust | M. Holland Company | Northbrook | IL | DC | 324 |
| Michael Lewis Company 401(k) Plan | Michael Lewis Company | McCook | IL | DC | 255 |
| Mickey's Linen & Towel Supply, Inc. 401(k) Profit Sharing Plan | Mickey's Linen & Towel Supply, Inc. | Chicago | IL | DC | 122 |
| Mickey's Linen & Towel Supply, Inc. Retirement Plan | Mickey's Linen & Towel Supply, Inc. | Chicago | IL | DC | 214 |
| Microplastics, Inc. Employee Stock Ownership Plan | Microplastics, Inc. | St. Charles | IL | DC | 180 |
| Mid-America Carpenters Regional Council Pension Fund | Board of Trustees of Mid-America Carpenters Regional Council Pension F | Chicago | IL | DB | 37,623 |
| Mid-America Carpenters Regional Council Supplemental Retirement Plan | Board of Trustees of Mid-America Carp Reg Council Supplemental Retirem | Chicago | IL | DC | 37,703 |
| Midamerica National Bank 401(k) Plan | Midamerica National Bank | Canton | IL | DC | 155 |
| Midamerica Orthopaedics, S.C. Profit Sharing 401(k) Plan | Midamerica Orthopaedics S.C. | Mokena | IL | DC | 174 |
| Mid America Overseas Inc. 401(k) Profit Sharing Plan & Trust | Mid America Overseas Inc. | Itasca | IL | DC | 213 |
| Mid-America Real Estate Corp. 401(k) Plan & Trust | Mid-America Real Estate, Corp. | Oak Brook Terrace | IL | DC | 332 |
| Middleby Marshall, Inc. Retirement Plan | Middleby Corporation | Elgin | IL | DB | 278 |
| Midland Metal Products Co., Retirement Benefits Plan | Midland Metal Products Company | Chicago | IL | DC | 103 |
| Midland Paper Company 401(k) Plan and Trust | Midland Paper Company | Wheeling | IL | DC | 1,034 |
| Midland States Bank 401(k) Profit Sharing Plan | Midland States Bank | Effingham | IL | DC | 1,149 |
| Midstate Employee Savings & Retirement Plan | Midstate Manufacturing Company | Galesburg | IL | DC | 226 |
| Mid-States Concrete Industries Employee Stock Ownership Plan | McI Holdings, Inc. | South Beloit | IL | DC | 161 |
| Mid-State Tank Co., Inc. 401(k) Profit Sharing Plan | Mid-State Tank Co., Inc. | Sullivan | IL | DC | 131 |
| Midtronics, Inc. 401(k) Profit Sharing Plan | Midtronics, Inc. | Willowbrook | IL | DC | 223 |
| Midwest Anesthesia Partners LLC 401(k) P/s Plan | Midwest Anesthesia Partners LLC | Naperville | IL | DC | 232 |
| Midwest Anesthesia Partners, LLC Cash Balance Plan | Midwest Anesthesia Partners, LLC | Naperville | IL | DB | 150 |
| Midwest Center for Women's Healthcare, Ltd. 401(k) Plan | Midwest Center for Women's Healthcare, Ltd. | Bannockburn | IL | DC | 371 |
| Midwest Community Bancshares, Inc. Safe Harbor 401(k) Plan | Midwest Community Bancshares, Inc. | Marion | IL | DC | 177 |
| Midwest Emergency Department Specialists Pension Plan | Midwest Emergency Department Specialists | Springfield | IL | DC | 110 |
| Midwest Employer 401(k) Plan | Middle River Marine, LLC | Mokena | IL | DC | 128 |
| Midwestern Teamsters 401(k) Retirement Plan | Teamsters,automotive, Petroleum and Allied Trades Local No. 50 | Swansea | IL | DC | 137 |
| Midwestern Teamsters Pension Trust Fund | Trustees Midwestern Teamsters Pension Trust Fund | Oak Brook | IL | DB | 574 |
| Midwestern University Retirement Plan | Midwestern University | Downers Grove | IL | DC | 2,828 |
| Midwest Express Acquisition Co. 401(k) Profit Sharing Plan and Trust | Midwest Express Acquisition Co. | Des Plaines | IL | DC | 264 |
| Midwest Gaming & Entertainment, LLC 401(k) Plan | Midwest Gaming & Entertainment, LLC | Des Plaines | IL | DC | 2,260 |
| Midwest Goods, Inc. 401(k) Profit Sharing Plan and Trust | Midwest Goods, Inc. | Bensenville | IL | DC | 175 |
| Midwest Insurance Company 401(k) Profit Sharing Plan | Midwest Insurance Company | Springfield | IL | DC | 123 |
| Midwest Medical Center 401(k) Plan | Midwest Medical Center | Galena | IL | DC | 308 |
| Midwest Operating Engineers Pension Trust Fund | Trustees of the Midwest Operating Engineers Pension Trust Fund | Countryside | IL | DB | 31,707 |
| Midwest Operating Engineers Retirement Enhancement | Trustees of Midwest Operating Engineers Retirement Enhancement Fund | Countryside | IL | DC | 16,681 |
| Midwest Orthopaedic Center S.C. 401(k) Profit Sharing Plan | Midwest Orthopaedic Center S.C. | Peoria | IL | DC | 186 |
| Midwest Orthopaedic Consultants, S. C. Profit Sharing 401(k) Plan | Midwest Orthopaedic Consultants, SC | Orland Park | IL | DC | 117 |
| Midwest Pension Plan | Board of Trustees - Midwest Pension Plan | Hillside | IL | DB | 11,287 |
| Midwest Physicians Alliance, Inc. 401(k) Profit Sharing Plan | Midwest Physicians Alliance, Inc. | Palos Park | IL | DC | 275 |
| Midwest Technical Institute 401(k) Plan | Midwest Technical Institute, Inc. | Springfield | IL | DC | 360 |
| Midwest Transit Equipment, Inc. Profit Sharing 401(k) Plan and Trust | Midwest Transit Equipment, Inc. | Kankakee | IL | DC | 332 |
| Midwest Transport, Inc. Employees Savings Trust | Midwest Transport, Inc. | Robinson | IL | DC | 967 |
| Midwest Vision Partners 401(k) Plan | Midwest Vision Partners Management Holdings, LLC | Chicago | IL | DC | 1,681 |
| Milestone, Inc. Retirement Plan | Milestone, Inc. | Loves Park | IL | DC | 480 |
| Milhouse Engineering and Construction, Inc. 401(k) Profit Sharing Plan | Milhouse Engineering and Construction, Inc. | Chicago | IL | DC | 328 |
| M.I.L., Inc. 401(k) Plan | Magnetic Inspection Laboratory, Inc. | Elk Grove | IL | DC | 324 |
| Miller, Cooper & Co., Ltd. Profit Sharing & Savings Plan & Trust | Miller, Cooper & Co., Ltd. | Deerfield | IL | DC | 577 |
| Milton Industries 401(k) Plan | Milton Industries, Inc. | Chicago | IL | DC | 182 |
| Miner Enterprises Pension Plan | Miner Enterprises, Inc. | Geneva | IL | DC | 485 |
| Miner Enterprises Profit Sharing Plan | Miner Enterprises, Inc. | Geneva | IL | DC | 484 |
| Miniat Holdings LLC Employees' Profit Sharing Plan and Trust | Miniat Holdings LLC | South Holland | IL | DC | 241 |
| Mintel Group Ltd. Employees' 401(k) Retirement Plan | Mintel Group Ltd. | Chicago | IL | DC | 509 |
| Minuteman International, Inc. Employee Savings and Profit Sharing Plan | Minuteman International, Inc. | Pingree Grove | IL | DC | 216 |
| Miracapo Pizza Company LLC Employee Retirement Savings Plan | Miracapo Pizza Company LLC | Elk Grove Village | IL | DC | 425 |
| Mission Driven Employee Stock Ownership Plan | PT Financial Holdings, Inc. | Chicago | IL | DC | 383 |
| Misumi USA, Inc. 401(k) Savings Plan | Misumi USA, Inc. | Schaumburg | IL | DC | 440 |
| Mitek Employees' Retirement Savings Plan | Mitek Corporation | Winslow | IL | DC | 393 |
| Mitutoyo America Corp. Retirement Plan | Mitutoyo America Corporation | Aurora | IL | DC | 489 |
| Mizar Holding Company, Inc. 401(k) Profit Sharing Plan | Mizar Holding Company, Inc. | Aurora | IL | DC | 434 |
| Mizkan America, Inc. Retirement Savings Plan | Mizkan America, Inc. | Schaumburg | IL | DC | 1,441 |
| MJ Holding Company, LLC 401(k) Plan | MJ Holding Company, LLC | Bridgeview | IL | DC | 137 |
| M & J Wilkow, Ltd. Profit Sharing and 401(k) Plan | M & J Wilkow, Ltd. | Chicago | IL | DC | 140 |
| MKD Electric LLC Employee's Profit Sharing Plan | MKD Electric LLC | Elgin | IL | DC | 648 |
| MNJ 401(k) Savings Plan | MNJ Technologies Direct, Inc. | Buffalo Grove | IL | DC | 144 |
| Modern Woodmen of America Employees' Retirement Plan | Modern Woodmen of America | Rock Island | IL | DB | 2,499 |
| Modern Woodmen of America Employees' Savings Plan | Modern Woodmen of America | Rock Island | IL | DC | 1,869 |
| Molex Hourly Employees' Pension Plan | Molex LLC | Lisle | IL | DB | 2,273 |
| Molex Retirement and Savings Plan | Molex, LLC | Lisle | IL | DC | 8,869 |
| Momence Packing Company, Inc. Union 401(k) and Profit Sharing Plan | Momence Packing Company, Inc. | Momence | IL | DC | 299 |
| Mondelez Global LLC Hourly Retirement Plan | Mondelez Global LLC | Chicago | IL | DB | 2,170 |
| Mondelez Global LLC Retirement Plan | Mondelez Global LLC | Chicago | IL | DB | 5,433 |
| Mondelez Global LLC Sales Service Representatives 401(k) Savings Plan | Mondelez Global LLC | Chicago | IL | DC | 5,399 |
| Mondelez Global LLC Thrift Plan | Mondelez Global LLC | Chicago | IL | DC | 10,130 |
| Mondelez Global LLC Tip Plan | Mondelez Global LLC | Chicago | IL | DC | 3,487 |
| Mondi Retirement Savings Plan USA | Mondi U.S. Holdings LLC | Romeoville | IL | DC | 1,592 |
| Monical Pizza Corporation Employees Retirement Pla | Monical Pizza Corporation | Bradley | IL | DC | 380 |
| Monroe Capital LLC 401(k) Profit Sharing Plan and Trust | Monroe Capital LLC | Chicago | IL | DC | 275 |
| Moody Bible Institute Match Savings Plan | Moody Bible Institute of Chicago | Chicago | IL | DC | 1,226 |
| Moody Bible Institute Pension Plan | Moody Bible Institute of Chicago | Chicago | IL | DB | 596 |
| Moody Bible Institute Retirement Plan | Moody Bible Institute of Chicago | Chicago | IL | DC | 1,401 |
| Moose International Inc. Employees' 401(k) Plan | Moose International Inc. | Mooseheart | IL | DC | 570 |
| More Brewing Co. 401(k) Plan | Jaydev Brew Inc. d/b/a More Brewing Co. | Huntley | IL | DC | 118 |
| Morgan Distributing, Inc. Retirement Plan | Morgan Distributing, Inc. | Decatur | IL | DC | 136 |
| Morgan Li, LLC 401(k) Plan | Morgan Li, LLC | Chicago | IL | DC | 199 |
| Morgan Services, Inc. Savings Plus Plan | Morgan Services, Inc. | Chicago | IL | DC | 728 |
| Morningstar, Inc. 401(k) Plan | Morningstar, Inc. | Chicago | IL | DC | 5,250 |
| Morris Hospital & Healthcare Centers Internal Revenue Code Section 403(b) Tax Deferred Annuity Plan | Morris Hospital & Healthcare Centers | Morris | IL | DC | 1,744 |
| Morrison Timing Screw Company 401(k) and Profit Sharing Plan | Morrison Timing Screw Company | Glenwood | IL | DC | 151 |
| Morris Packaging 401(k) Plan | Morris Packaging | Bloomington | IL | DC | 249 |
| Morton Buildings, Inc. 401(k) and ESOP | Morton Buildings, Inc. | Morton | IL | DC | 2,087 |
| Morton Buildings, Inc. Leveraged Employee Stock Ownership Plan | Morton Buildings, Inc. | Morton | IL | DC | 2,087 |
| Morton Community Bank 401(k) Retirement Plan | Morton Community Bank | Morton | IL | DC | 698 |
| Morton Industries 401(k) Plan | Morton Industries, LLC | Morton | IL | DC | 712 |
| Moss Holding Company 401(k) Plan | Moss Holding Company | Franklin Park | IL | DC | 354 |
| Motomart 401(k) Plan | FKG Oil Company DBA Motomart | Belleville | IL | DC | 505 |
| Motorad of America 401(k) Plan | Motorad of America, Inc. | Mount Carmel | IL | DC | 202 |
| Motorola Solutions 401(k) Plan | Motorola Solutions, Inc. | Chicago | IL | DC | 22,877 |
| Motor Werks 401(k) Plan | Murgado Motor Werks LLC | Barrington | IL | DC | 338 |
| Mowery & Schoenfeld, LLC 401(k) Plan | Mowery & Schoenfeld, LLC | Lincolnshire | IL | DC | 185 |
| MPH Savings and Retirement Plan | Milk Products Holdingsnorth Am | Chicago | IL | DC | 124 |
| M&R Printing Equipment, Inc. & Subsidiaries Profit Sharing & 401(k) Plan | M&R Printing Equipment, Inc. | Roselle | IL | DC | 387 |
| Msi Pension Plan | Motorola Solutions, Inc. | Chicago | IL | DB | 22,259 |
| Msi Pension Plan II | Motorola Solutions, Inc. | Chicago | IL | DB | 4,191 |
| Mte Employee Savings and Retirement Plan | Mechanical Tool & Engineering Co. | Rockford | IL | DC | 262 |
| MT Intermediate Holdings, LLC 401(k) Plan and Trust | Multitech Industries, LLC | Carol Stream | IL | DC | 465 |
| Much Shelist Profit Sharing Plan and Trust | Much Shelist, P.C. | Chicago | IL | DC | 198 |
| Multiplan, Inc. 401(k) Plan | Multiplan, Inc. | Naperville | IL | DC | 3,296 |
| Mumford Companies 401(k) Plan | Colonial Brick Company, Inc. | Chicago | IL | DC | 578 |
| Munich Re Specialty Group N.A. Inc. Retirement Savings Plan | Munich Re Specialty Group N.A. Inc. | Schaumburg | IL | DC | 373 |
| Muscular Dystrophy Association, Inc. Savings Plan | Muscular Dystrophy Association, Inc. | Chicago | IL | DC | 578 |
| Museum of Contemporary Art 403(b) Tax Deferred Annuity Plan | Museum of Contemporary Art | Chicago | IL | DC | 219 |
| Mw&e Cash Balance Plan | McDermott Will & Schulte LLP | Chicago | IL | DB | 278 |
| Mw&e Savings and Retirement Plan | McDermott Will & Emery LLP | Chicago | IL | DC | 3,180 |
| MW Industries, Inc. Consolidated Employer Retirement Savings Plan | Matthew Warren Inc. DBA MW Industries Inc. | Rosemont | IL | DC | 3,339 |
| Nai Hiffman 401(k) Plan | Hiffman Shaffer Associates, Inc. | Oakbrook Terrace | IL | DC | 240 |
| Nalbach Companies, Et. Al. Profit Sharing 401(k) | John Nalbach Engineering Co., Inc. | Countryside | IL | DC | 293 |
| N.a.n.i Physicians Services Profit Sharing and Retirement Saving Plan | Nephrology Associates of Northern Illinois and Indiana | Oak Brook | IL | DC | 686 |
| Napleton Auto Werks 401(k) Plan | Napleton Auto Werks | Loves Park | IL | DC | 630 |
| National Able Network Inc. Safe Harbor 401(k) Profit Sharing Plan | National Able Network Inc. | Chicago | IL | DC | 147 |
| National Association of Boards of Pharmacy Retirement Savings Plan | National Association of Boards of Pharmacy | Mount Prospect | IL | DC | 223 |
| National Association of Realtors Pension Plan | National Association of Realtors | Chicago | IL | DC | 524 |
| National Association of Realtors Salary Reduction Profit Sharing Plan | National Association of Realtors | Chicago | IL | DC | 733 |
| National Board of Osteopathic Medical Examiners, Inc. 401(k) Plan | National Board of Osteopathic Medical Examiners, Inc. | Chicago | IL | DC | 163 |
| National Council of State Boards of Nursing, Inc. 403(b) DC Plan | National Council of State Boards of Nursing, Inc. | Chicago | IL | DC | 302 |
| National Council of State Boards of Nursing, Inc. 403(b) Tda Plan | National Council of State Boards of Nursing, Inc. | Chicago | IL | DC | 221 |
| National Equity Fund 401(k) Retirement Plan | National Equity Fund Inc. | Chicago | IL | DC | 265 |
| National Express Safe Harbor 401(k) Plan | Durham School Services, L.P. | Lisle | IL | DC | 18,589 |
| National Futures Association Employee Retirement Savings Plan | National Futures Association | Chicago | IL | DC | 873 |
| National Galvanizing, L.P. Profit Sharing and Savings Plan | National Galvanizing, L.P. | Elk Grove Village | IL | DC | 146 |
| National Insurance Crime Bureau Employee Saving Plan | National Insurance Crime Bureau | Oak Brook | IL | DC | 524 |
| National Louis University Retirement Plan | National Louis University | Wheeling | IL | DC | 1,623 |
| National Material, L.P. Deferred Compensation Plan 401(k) | National Material, L.P. | Elk Grove Village | IL | DC | 625 |
| National Pretzel Company, Inc. Retirement Plan for Hourly-Paid Employees | Treehouse Foods, Inc. | Oak Brook | IL | DB | 158 |
| National Production Workers Union 401(k) Retirement | The Board of Trustees of the National Production Workers Severan | Downers Grove | IL | DC | 917 |
| National Production Workers Union Severance Trust Fund | Trustees of National Production Workers Union Severance Trust Fund | Downers Grove | IL | DC | 9,002 |
| National Safety Council 403(b) Retirement Plan | National Safety Council | Itasca | IL | DC | 398 |
| National Tube Supply Company 401(k) Savings Plan | National Tube Supply Company | University Park | IL | DC | 273 |
| National University of Health Sciences Defined Contribution Retirement Plan | National University of Health Sciences | Lombard | IL | DC | 284 |
| National Van Lines Employee Stock Ownership Plan | National Holding Company, Inc. | Broadview | IL | DC | 155 |
| National Van Lines Inc. 401(k) Plan | National Van Lines Inc. | Broadview | IL | DC | 207 |
| Navy Pier, Inc. 401(k) Plan | Navy Pier, Inc. | Chicago | IL | DC | 138 |
| ND Paper 401(k) Savings Plan | ND Paper Inc. | Oak Brook | IL | DC | 836 |
| ND Paper Pension Plan for Bargained Hourly Employees | ND Paper, Inc. | Oak Brook | IL | DB | 436 |
| ND Paper Retirement Plan | ND Paper Inc. | Oak Brook | IL | DC | 608 |
| Neal, Gerber & Eisenberg Profit SHARING/401(K) Plan | Neal, Gerber & Eisenberg LLP | Chicago | IL | DC | 314 |
| Near North Health Service Corporation | Near North Health Service Corporation | Chicago | IL | DC | 312 |
| Near North Montessori School Tsa | Near North Montessori School | Chicago | IL | DC | 269 |
| Neca-Ibew Local 176 Pension Trust Fund | Trustees of the Neca-Ibew Local 176 Pension Trust Fund | Joliet | IL | DC | 2,166 |
| Neca-Ibew Local 364 Defined Contribution Plan | Trustees of Neca-Ibew Local 364 Contribution Pension Trust Fund | Rockford | IL | DC | 1,254 |
| Neca-Ibew Pension Trust Fund | Neca-Ibew Pension Trust Fund | Decatur | IL | DB | 12,974 |
| Neca Local 145 IBEW Annuity and Profit Sharing Pla | Neca Local 145 I.B.E.W Annuity and Profi | Moline | IL | DC | 1,314 |
| Neca Local 145 IBEW Pension Fund | Neca Local 145 IBEW Pension Fund | Moline | IL | DB | 1,654 |
| Neighborhood Loans 401(k) Plan | Neighborhood Loans, Inc. | Downers Grove | IL | DC | 735 |
| Neil Enterprises, Inc. Profit Sharing Plan & Trust | Neil Enterprises, Inc. | Vernon Hills | IL | DC | 108 |
| Nemera 401(k) Plan | Nemera Buffalo Grove LLC | Buffalo Grove | IL | DC | 854 |
| Neon One, LLC 401(k) Plan | Neon One, LLC | Chicago | IL | DC | 202 |
| Netrix, LLC 401(k) Plan & Trust | Netrix, LLC | Bannockburn | IL | DC | 565 |
| Network Data Systems Savings and Retirement Plan | Network Data Systems, Inc. | Schaumburg | IL | DC | 125 |
| Network Services Company Profit Sharing 401(k) Plan | Network Services Company | Schaumburg | IL | DC | 271 |
| Neuco, Inc. 401(k) Plan | Neuco, Inc. | Bolingbrook | IL | DC | 275 |
| Nevco Sports, LLC 401(k) Plan | Nevco Sports, LLC | Edwardsville | IL | DC | 225 |
| Newberry Library DC Retirement Plan | Newberry Library | Chicago | IL | DC | 343 |
| Newesco, Inc. 401(k) Profit Sharing Plan | Newesco, Inc. DBA Nelson-Westerberg, Inc. | Elk Grove Village | IL | DC | 197 |
| New Home Star Corp. 401(k) Plan | New Home Star Corp. | Elmhurst | IL | DC | 711 |
| Newly Weds Foods, LLC Cash Accumulation Plan | Newly Weds Foods, LLC | Chicago | IL | DC | 3,104 |
| Newport Industries, Inc. 401(k) Plan | Newport Industries, Inc. | Rolling Meadows | IL | DC | 159 |
| Newport Industries, Inc. Employee Stock Ownership Plan | Newport Industries, Inc. | Rolling Meadows | IL | DC | 150 |
| New SPS, LLC 401(k) Plan | New SPS, LLC | Mount Prospect | IL | DC | 444 |
| New Summit Rehabilitation and Health, LLC 401(k) Plan | New Summit Rehabilitation and Health, LLC | Arlington Heights | IL | DC | 134 |
| New World Van Lines Retirement Savings Plan | New World Van Lines, Inc. | Chicago | IL | DC | 380 |
| Nexus Pharmaceuticals, LLC 401(k) and Profit Sharing Plan | Nexus Pharmaceuticals, LLC | Lincolnshire | IL | DC | 188 |
| Nfi Group 401(k) Plan | New Flyer Holdings, Inc. | Des Plaines | IL | DC | 2,734 |
| Nfi Group 401(k) Plan - McI Pembina Union Plan | New Flyer Holdings, Inc. | Des Plaines | IL | DC | 151 |
| Nfi Group - Participating Union 401(k) Plan | New Flyer Holdings, Inc. | Des Plaines | IL | DC | 2,930 |
| Nicl Laboratories 401(k) Savings and Profit Sharing Plan | Chicago Clinical Laboratories, Ltd. | Northbrook | IL | DC | 138 |
| Nicolaides Fink Thorpe Michaelides Sullivan LLP 401(k) Profit Sharing Plan | Nicolaides Fink Thorpe Michaelides Sullivan LLP | Chicago | IL | DC | 192 |
| Nielseniq 401(k) Savings Plan | Nielsen Consumer LLC | Chicago | IL | DC | 4,021 |
| Niemann Foods, Inc. 401(k) Profit Sharing Plan | Niemann Foods, Inc. | Quincy | IL | DC | 3,503 |
| Niemann Foods, Inc. Employee Stock Ownership Plan | Niemann Foods, Inc. | Quincy | IL | DC | 2,327 |
| Ninjatrader Group, LLC 401(k) Plan | Ninjatrader Group, LLC | Chicago | IL | DC | 359 |
| Nippon Express U.S.A. Group Pension Plan | Nippon Express U.S.A., Inc. | Wood Dale | IL | DB | 1,324 |
| Nippon Express U.S.A., Inc. Group 401(k) Plan | Nippon Express U.S.A, Inc. | Wood Dale | IL | DC | 2,587 |
| Nitel 401(k) Plan | Network Innovations, Inc. DBA Nitel USA | Chicago | IL | DC | 257 |
| N. Kohl Grocer Co. Office Salary Savings Plan | N. Kohl Grocer Co. | Quincy | IL | DC | 244 |
| N. Kohl Grocer Co. Salary Savings Plan | N. Kohl Grocer Co. | Quincy | IL | DC | 384 |
| NNR Global Logistics USA Inc. Retirement Plan | NNR Global Logistics USA Inc. | Itasca | IL | DC | 497 |
| Noble Network of Charter Schools 401(k) Profit Sharing Plan | Noble Network of Charter Schools | Chicago | IL | DC | 2,348 |
| Nocd 401(k) Plan | Nocd, Inc. DBA Nocd | Chicago | IL | DC | 815 |
| Non-Contributory Retirement Program for Certain Employees of Blue Cross and Blue Shield Association | Blue Cross and Blue Shield Association | Chicago | IL | DB | 923 |
| Norc, Inc. Retirement Plan | National Opinion Research Center | Chicago | IL | DC | 5,383 |
| Norc, Inc. Supplemental Retirement Plan | National Opinion Research Center | Chicago | IL | DC | 3,166 |
| Nordex USA, Inc. 401(k) Plan | Nordex USA, Inc. | Chicago | IL | DC | 774 |
| Norix Group, Inc. 401(k) Plan | Norix Group, Inc. | West Chicago | IL | DC | 150 |
| Norkol, Inc. Profit Sharing and Savings Plan | Norkol, Inc. | Montgomery | IL | DC | 178 |
| North American Lighting, Inc. Command Plus Plan | North American Lighting, Inc. | Paris | IL | DC | 5,943 |
| North Central Behavioral Health Systems, Inc. Employee Retirement Plan | North Central Behavioral Health Systems | Lasalle | IL | DC | 154 |
| North Central College Defined Contribution Retirement Plan | North Central College | Naperville | IL | DC | 1,756 |
| Northern Illinois Food Bank Retirement Savings Plan | Northern Illinois Food Bank | Geneva | IL | DC | 232 |
| North Shore Country Day School Defined Contribution Retirement Plan | North Shore Country Day School | Winnetka | IL | DC | 397 |
| Northside Imports, Inc. 401(k) Plan | Northside Imports, Inc. | Lincolnwood | IL | DC | 503 |
| Northstar Aerospace (USA) Voluntary Savings Plan | Heligear Acquisition Co. DBA Northstar Aerospace CH | Bedford Park | IL | DC | 481 |
| Northwestern College 401(k) Plan | Northwestern College | Bridgeview | IL | DC | 150 |
| Northwestern Lake Forest Hospital Employees Retirement Plan | Northwestern Lake Forest Hospital | Chicago | IL | DB | 2,030 |
| Northwestern Memorial Employee 401(k) Pre-Tax Savings Plan | Northwestern Memorial Healthcare | Chicago | IL | DC | 53,096 |
| Northwestern Memorial Hospital Employees' Pension Plan | Northwestern Memorial Hospital | Chicago | IL | DB | 7,120 |
| Northwestern University Retirement Plan | Northwestern University | Evanston | IL | DC | 25,018 |
| Northwestern University Voluntary Savings Plan | Northwestern University | Evanston | IL | DC | 19,704 |
| Northwest Oncology & Hematology, S.C. Profit Sharing 401(k) Plan | Northwest Oncology & Hematology,s.c | Rolling Meadows | IL | DC | 219 |
| Norwood Life Society Employees' Retirement Plan | Norwood Life Society | Chicago | IL | DC | 314 |
| Not-For-Profit Retirement Savings Plan | Community Living Options, Inc. | Galesburg | IL | DC | 3,327 |
| Nots Logistics, L.L.C. 401(k) Plan | Nots Logistics, L.L.C. | Nashville | IL | DC | 642 |
| Nouryon Chemicals Hourly Savings Plan | Nouryon Chemicals LLC | Chicago | IL | DC | 279 |
| Nouryon Chemicals Retirement Savings Plan | Nouryon Chemicals LLC | Chicago | IL | DC | 2,085 |
| Novak Construction Company 401(k) Profit Sharing Plan | Novak Construction Company, Inc. | Chicago | IL | DC | 157 |
| Novaspect Holdings, Inc. Employee Stock Ownership Plan | Novaspect Holdings, Inc. | Schaumburg | IL | DC | 566 |
| Novaspect, Inc. 401(k) Plan | Novaspect, Inc. | Schaumburg | IL | DC | 629 |
| Novipax Absorbents 401(k) Plan | Novipax Buyer, LLC | Oak Brook | IL | DC | 684 |
| Novus Media Retirement Savings Plan | Novus Media LLC | Chicago | IL | DC | 127 |
| Now Health Group, Inc. 401(k) Profit Sharing Plan and Trust | Now Health Group, Inc. | Bloomingdale | IL | DC | 2,230 |
| Nowsecure 401(k) Plan | Viaforensics, LLC | Chicago | IL | DC | 169 |
| Nti Connect 401(k) Plan | Nti Connect, LLC | Downers Grove | IL | DC | 1,309 |
| Ntk/nta Precision Axle Corporations Retirement Savings Plan | NTK Precision Axle Corporation | Schaumburg | IL | DC | 475 |
| NTN Employees Pension Plan | Ntn-Usa Corporation | Schaumburg | IL | DB | 2,258 |
| NTN Retirement Savings Plan | NTN USA Corporation | Schaumburg | IL | DC | 5,289 |
| Nudo Products, Inc. 401(k) Plan | Nudo Products, Inc. | Springfield | IL | DC | 350 |
| Nuestro Queso, LLC 401(k) Plan | Nuestro Queso, LLC | Chicago | IL | DC | 256 |
| Nufarm Americas, Inc. Retirement Income Plan | Nufarm Americas Inc. | Alsip | IL | DC | 631 |
| Numark Credit Union 401(k) Plan and Trust | Numark Credit Union | Joliet | IL | DC | 217 |
| Numerator 401(k) Plan | Numerator | Chicago | IL | DC | 1,101 |
| Nussbaum Transportation Services Employee Stock Ownership Plan | In Motion Group, Inc. | Hudson | IL | DC | 659 |
| Nussbaum Transportation Services, Inc. 401(k) Plan & Trust | Nussbaum Transportation Services, Inc. | Hudson | IL | DC | 959 |
| Nutreco USA 401(k) Plan | Trouw Nutrition USA, LLC | Highland | IL | DC | 790 |
| Nu-Way Industries, Inc. Profit Sharing Plan | Nu-Way Industries, Inc. | Elk Grove Village | IL | DC | 306 |
| Nu-Way Logistics, Inc. 401(k) Plan | Nu-Way Logistics, Inc. | Bloomington | IL | DC | 440 |
| Nvisia, LLC Employees' Profit Sharing & 401(k) Plan | Nvisia, LLC | Chicago | IL | DC | 211 |
| NWSL Players 401(k) | National Women's Soccer League LLC | Chicago | IL | DC | 405 |
| NWSL Retirement Plan | National Women's Soccer League LLC | Chicago | IL | DC | 317 |
| Oak Street Health, 401(k) Plan | Oak Street Health Mso, LLC | Chicago | IL | DC | 9,777 |
| Oberweis Dairy, Inc. 401(k) Profit Sharing Plan | Hoffmann Oberweis Dairy LLC | North Aurora | IL | DC | 396 |
| Objective Paradigm 401(k) Plan | Objective Paradigm LLC | Chicago | IL | DC | 134 |
| O'Brien Auto Team 401(k) Plan | O'Brien Auto Team, Inc. | Normal | IL | DC | 279 |
| O'Brien Group 401(k) Plan | O'Brien Steel Service Co. | Peoria | IL | DC | 491 |
| October Three Management Services, Inc. Retirement Trust | October Three Management Services, Inc. | Chicago | IL | DC | 245 |
| October Three Prime Plan | October Three Management Services, Inc. | Chicago | IL | DB | 192 |
| Odyssey US LLC 401(k) Plan | Odyssey US LLC | University Park | IL | DC | 136 |
| O'Hagan Meyer LLC 401(k) Retirement Plan | O'Hagan Meyer LLC | Chicago | IL | DC | 634 |
| O'Hare Airport Transit Systems, Inc. Savings Plan & Trust | O'Hare Airport Transit Systems, Inc. | Chicago | IL | DC | 131 |
| Oil-Dri Corporation of America 401(k) Retirement Savings Plan | Oil-Dri Corporation of America | Chicago | IL | DC | 1,136 |
| O & K American Corp. 401(k) Savings & Investment Plan | O & K American Corp. | Chicago | IL | DC | 169 |
| Okrp Retirement Savings Plan | Okeefe, Reinhard & Paul LLC | Chicago | IL | DC | 146 |
| Old Mission Capital, LLC 401(k) Plan | Old Mission Capital, LLC | Chicago | IL | DC | 274 |
| Old Republic International Employees Retirement Plan | Old Republic International Corp. | Chicago | IL | DB | 4,693 |
| Old Second Bancorp, Inc. Employees' 401(k) Savings Plan & Trust | Old Second Bancorp, Inc. | Aurora | IL | DC | 1,193 |
| Old Second National Bank Pooled Employer Plan | Old Second National Bank | Aurora | IL | DC | 728 |
| Old World 401(k) Plan | Old World Industries, LLC | Northbrook | IL | DC | 622 |
| Olivet Nazarene University DC Retirement Plan | Olivet Nazarene University | Bourbonnais | IL | DC | 932 |
| Omeda 401(k) Savings Plan | Omeda Holdings, LLC | Vernon Hills | IL | DC | 180 |
| Omron Savings and Retirement Plan | Omron Management Center of America, Inc. | Hoffman Estates | IL | DC | 1,722 |
| Oncourse Home Solutions 401(k) Plan | American Water Resources LLC, DBA Oncourse Home Solutions | Naperville | IL | DC | 927 |
| Onegoal Retirement Trust | Onegoal | Chicago | IL | DC | 290 |
| One Home Health 401(k) Plan | One Home Health Agency | Downers Grove | IL | DC | 327 |
| One Hope United 403(b) Plan | One Hope United | Chicago | IL | DC | 1,336 |
| O'Neil Industries, Inc. Employee Stock Ownership Plan | O'Neil Industries, Inc. | Chicago | IL | DC | 555 |
| O'Neil Industries, Inc. Incentive Savings Plan | O'Neil Industries, Inc. | Chicago | IL | DC | 701 |
| One Member Retirement Plan | Premier Distribution Cooperative, Inc. | Chicago | IL | DC | 1,355 |
| One Off Hospitality Group, Ltd. 401(k) Plan | One Off Hospitality Group, Ltd. | Chicago | IL | DC | 525 |
| One Source Equipment Rentals Employee Stock Ownership Plan | One Source Equipment Rentals, Inc. | Plainfield | IL | DC | 127 |
| Onsite Stash the Cash 401(k) Plan | Onsite Woodwork Corporation | Loves Park | IL | DC | 111 |
| Operating Engineers Local 520 Annuity Plan | Board of Trustees Operating Engineers Local 520 | Ofallon | IL | DC | 3,411 |
| Operating Engineers Local 649 Annuity Trust Fund | Board of Trustees Operating Engineers Local 649 Annuity Trust Fund | Peoria | IL | DC | 2,617 |
| Operative Plasterers' and Cement Masons' Local No. 18 Pension Plan | Trustees of Oper. Plasterers' & Cement Masons' Local No. 18 Pension PL | Peoria | IL | DB | 744 |
| Opportunity Financial, LLC 401(k) Plan | Opportunity Financial, LLC | Chicago | IL | DC | 608 |
| Opportunity International Employees' 403(b) Program | Opportunity International, Inc. | Chicago | IL | DC | 124 |
| Opticsplanet, Inc. 401(k) Profit Sharing Plan and Trust | Opticsplanet, Inc. | Northbrook | IL | DC | 499 |
| Optima, Inc. 401(k) Profit Sharing Plan | Optima, Inc. | Glencoe | IL | DC | 114 |
| Optimas Oe Solutions, LLC Employee Savings Plan | Optimas Oe Solutions, LLC | Wood Dale | IL | DC | 720 |
| Optimum Staffing, Inc. Employees 401(k) Plan | Optimum Staffing, Inc. | Lisle | IL | DC | 254 |
| Option Care Health 401(k) Plan | Option Care Health, Inc. | Bannockburn | IL | DC | 9,731 |
| Optiver 401(k) Plan | Optiver Services US LLC | Chicago | IL | DC | 765 |
| Opto International 401(k) Plan | Opto International, Inc. | Wood Dale | IL | DC | 184 |
| Orba Employees' Retirement Savings Plan | Ostrow Reisin Berk & Abrams, Ltd. | Chicago | IL | DC | 261 |
| Orbus Retirement Plan | Nimlok Company | Woodridge | IL | DC | 641 |
| Ori 401(k) Savings and Profit Sharing Plan | Old Republic International Corp. | Chicago | IL | DC | 14,343 |
| Origami Risk 401(k) Savings & Investment Plan | Origami Risk LLC | Chicago | IL | DC | 1,080 |
| Orion Bancorporation, Inc. Retirement Savings Plan | Orion Bancorporation, Inc. | Orion | IL | DC | 136 |
| Orion Industries, Ltd. 401(k) Profit Sharing Plan | Orion Industries, Ltd. | Chicago | IL | DC | 245 |
| Ornua North America 401(k) Plan | Ornua Foods North America, Inc. | Evanston | IL | DC | 1,017 |
| Orthomidwest, PLLC 401(k) Retirement Plan | Orthomidwest, PLLC | Rockford | IL | DC | 2,166 |
| Ortho Molecular Products, Inc. 401(k) Plan | Ortho Molecular Products, Inc. | Lake Barrington | IL | DC | 554 |
| Orthopaedic Center 401(k) Profit Sharing Plan and Trust | Orthopaedic Center of Illinois, Ltd. | Springfield | IL | DC | 110 |
| Osa International, Inc. 401(k) Plan | Osa International, Inc. | Wooddale | IL | DC | 218 |
| Osd Multiple Employer 401(k) Plan | Office of the Special Deputy Receiver | Chicago | IL | DC | 808 |
| Osf Saint Francis, Inc. Employees Pension Plan | Pointcore, Inc. | Peoria | IL | DB | 1,853 |
| Osg USA, Inc. Profit Sharing and 401(k) Plan | Osg USA, Inc. | St. Charles | IL | DC | 517 |
| Osi Ashland Pmu Employees' Savings Plan | Osi Industries, LLC | Aurora | IL | DC | 143 |
| Osi Fort Atkinson UFCW Employees Savings Plan | Osi Industries, LLC | Aurora | IL | DC | 320 |
| Osi Industries, LLC Profit Sharing and Employees Savings Plan | Osi Industries, LLC | Aurora | IL | DC | 3,253 |
| Osm Worldwide 401(k) Profit Sharing Plan | One Stop Mailing, LLC | Glendale Heights | IL | DC | 321 |
| Ottawa Dental Laboratory, LLC Employees' Profit Sharing Plan | Ottawa Dental Laboratory, LLC | Ottawa | IL | DC | 417 |
| Otto Engineering, Inc. 401(k) Savings and Retirement Plan | Otto Engineering, Inc. | Carpentersville | IL | DC | 636 |
| Outform Group, Inc. Savings and Protection Plan | Outform Group, Inc. | Chicago | IL | DC | 522 |
| Outform Group, Inc. Union 401(k) Plan | Outform Group, Inc. | Chicago | IL | DC | 110 |
| Outsourcing Strategies, Inc. 401(k) Profit Sharing Plan | Outsourcing Strategies, Inc. | Westmont | IL | DC | 2,368 |
| Overture Promotions Inc. 401(k) Plan | Overture Promotions Inc. | Waukegan | IL | DC | 267 |
| Oxerra Americas, Inc. 401(k) Plan | Oxerra Americas, Inc. | Bartlet | IL | DC | 219 |
| Oxford Capital Group 401(k) Profit Sharing Plan | Oxford Capital Group, LLC | Chicago | IL | DC | 1,411 |
| Ozinga Bros., Inc. Employee's Profit Sharing Plan & Trust | Ozinga Bros., Inc. | Mokena | IL | DC | 815 |
| Ozinga Ready Mix Concrete, Inc. 401(k) Savings Plan | Ozinga Ready Mix Concrete, Inc. | Mokena | IL | DC | 846 |
| Ozinga Ready Mix Concrete, Inc. Retirement Plan | Ozinga Ready Mix Concrete, Inc. | Mokena | IL | DC | 373 |
| Pacific Bearing Company Associates' Retirement Plan | Pacific Bearing Corp. DBA PBC Li | Rockford | IL | DC | 235 |
| Pacific Harbor Line, Inc. Union 401(k) Plan | Pacific Harbor Line, Inc. | Chicago | IL | DC | 164 |
| Packaging Corporation of America Hourly Pension Plan | Packaging Corporation of America | Lake Forest | IL | DB | 7,436 |
| Packaging Corporation of America Pension Plan for Eligible Grandfathered Salaried Employees | Packaging Corporation of America | Lake Forest | IL | DB | 1,347 |
| Packaging Corporation of America Retirement Savings Plan for Salaried Employees | Packaging Corporation of America | Lake Forest | IL | DC | 6,082 |
| Packaging Corporation of America Thrift Plan for Hourly Employees | Packaging Corporation of America | Lake Forest | IL | DC | 15,621 |
| Packaging Personified, Inc. 401(k) Plan | Packaging Personified, Inc. | Carol Stream | IL | DC | 230 |
| Packback 401(k) Retirement Savings Plan | Packback, Inc. | Chicago | IL | DC | 260 |
| Paddock Publications, Inc. Employees 401(k) Plan | Paddock Publications, Inc. | Schaumburg | IL | DC | 280 |
| Paddock Publications, Inc. Employee Stock Ownership Plan | Paddock Publications, Inc. | Schaumburg | IL | DC | 260 |
| Painters District Council #58 401(k) Plan | Board of Trustees of Painters District Council #58 401(k) Plan | Collinsville | IL | DC | 992 |
| Painters District Council No. 30 Finishing Industries Retirement Savings Fund | Board of Trustees Painters District Coun Finishing Industries Retireme | Aurora | IL | DC | 1,437 |
| Painters District Council No. 30 Pension Fund | Board of Trustees Painters District Coun No. 30 Pension Fund | Aurora | IL | DB | 3,081 |
| Painters Union Local #1052 Pension Trust Fund | Painters Union Local #1052 Pension Trust Fund Trustees | Oak Brook | IL | DB | 582 |
| Pana Community Hospital Employees' Tax Deferred Annuity Plan | Pana Community Hospital Association | Pana | IL | DC | 370 |
| Panduit 401(k) and Profit Sharing Plan | Panduit Corp. | Tinley Park | IL | DC | 2,371 |
| Paramedic Services of Illinois, Inc. Employees' Retirement Plan and Trust | Paramedic Services of Illinois, Inc. | Itasca | IL | DC | 650 |
| Paramount Staffing Perm, LLC 401(k) Plan | Paramount Staffing Perm, LLC | Northbrook | IL | DC | 9,479 |
| Parent Petroleum, Inc. 401(k) Plan | Parent Petroleum, Inc. | Saint Charles | IL | DC | 572 |
| Parksite 401(k) Plan | Parksite, Inc. | Batavia | IL | DC | 994 |
| Parksite Inc. Employee Stock Ownership Plan | Parksite, Inc. | Batavia | IL | DC | 842 |
| Parkview Orthopaedic Group, S.C. Profit Sharing Plan and Trust | Parkview Orthopaedic Group, S.C. | Palos Heights | IL | DC | 147 |
| Parkway Bancorp, Inc. 401(k) Plan | Parkway Bancorp, Inc. | Harwood Heights | IL | DC | 404 |
| Parr Instrument Company 401(k) Plan | Parr Instrument Company | Moline | IL | DC | 131 |
| Parr Instrument Company Retirement Plan | Parr Instrument Company | Moline | IL | DB | 136 |
| Parsons Company, Inc. Profit Sharing and 401(k) Plan | Parsons Company, Inc. | Roanoke | IL | DC | 282 |
| Partners Enterprise Capital Holdings LLC 401(k) Savings Plan | Partners Enterprise Capital Holdings LLC | Chicago | IL | DC | 680 |
| Parts Town Unlimited, LLC 401(k) Plan | Parts Town Unlimited, LLC | Addison | IL | DC | 5,220 |
| Patrick Dealer Group Savings Plan | Patrick Schaumburg Automobiles, Inc. | Schaumburg | IL | DC | 471 |
| Patrick Employee 401(k) Plan | Patrick Engineering, Inc. | Lisle | IL | DC | 438 |
| Patson DBA Transchicago Truck Group 401(k) Plan | Patson, Inc. DBA Transchicago | Elmhurst | IL | DC | 483 |
| Pavlov Media, Inc. 401(k) Plan | Pavlov Media, Inc. | Champaign | IL | DC | 349 |
| Paxxus, Inc. Employees Profit Sharing and 401(k) Plan | Paxxus, Inc. | Addison | IL | DC | 240 |
| Paycomplete North America 401(k) Plan | Paycomplete North America LLC | Shaumburg | IL | DC | 133 |
| Paylink Payment Plans, LLC 401(k) Plan | Paylink Payment Plans, LLC | Chicago | IL | DC | 156 |
| Paylocity 401(k) Profit Sharing Plan and Trust | Paylocity Corporation | Schaumburg | IL | DC | 7,191 |
| Payroc Worldaccess, LLC 401(k) Plan | Payroc Worldaccess, LLC | Tinley Park | IL | DC | 703 |
| PCC Community Wellness Center 403(b) Plan | PCC Community Wellness Center | Oak Park | IL | DC | 710 |
| Pctel, Inc. 401(k) Plan | Pctel, Inc. | Bloomingdale | IL | DC | 243 |
| PEAK6 Group LLC 401(k) PS Plan | PEAK6 Group LLC | Chicago | IL | DC | 696 |
| PEAK6 Insurtech Services 401(k) Plan | PEAK6 Insurtech Services LLC | Chicago | IL | DC | 553 |
| Pearl City Elevator, Inc. 401(k) Profit Sharing Plan | Pearl City Elevator, Inc. | Pearl City | IL | DC | 173 |
| Pearl Technology, LLC Retirement & Savings Plan | Pearl Technology, LLC | Peoria Heights | IL | DC | 196 |
| Peddinghaus Corporation Salary Savings Plan | Peddinghaus Corporation | Bradley | IL | DC | 483 |
| Pediatric Health Associates Pension Plan | Pediatric Health Associates | Naperville | IL | DC | 142 |
| Pediatrust, LLC 401(k) Profit Sharing Plan & Trust | Pediatrust, LLC | Northbrook | IL | DC | 367 |
| Peer Chain 401(k) Retirement Plan | Peer Chain Company | Waukegan | IL | DC | 104 |
| Peer Foods Group, Inc. Profit Sharing and 401(k) Plan | Peer Foods Group, Inc. | Chicago | IL | DC | 847 |
| Peerless 401(k) Retirement Plan | Peerless Industries, Inc. | Aurora | IL | DC | 230 |
| Peerless Enterprises, Inc. Retirement Plan | Peerless Enterprises, LLC. | St. Charles | IL | DC | 152 |
| Peerless of America | Peerless of America | Effingham | IL | DC | 178 |
| Pen Agreement Rockford Powertrain Inc. & UAW and Its Local 803 | Powertrain Rockford, Inc. | Loves Park | IL | DB | 333 |
| Peninsula Hotels 401(k) Plan | Peninsula Hotel Chicago, LLC | Chicago | IL | DC | 814 |
| Pension Fund of Cement Masons Union Local No. 502 | Board of Trustees Cement Masons' Pension Fund | Bellwood | IL | DB | 3,217 |
| Pension Plan for Bargaining Employees of Evraz Rocky Mountain Steel | Evraz Inc. N.A. | Chicago | IL | DB | 2,178 |
| Pension Plan for Employees of A.M. Castle & Co. | A.M. Castle & Co. | Oak Brook | IL | DB | 548 |
| Pension Plan for Employees of CN U.S. Subsidiaries | Grand Trunk Corporation | Homewood | IL | DB | 1,325 |
| Pension Plan for Employees of Easter Seals, Inc. | Easter Seals, Inc. | Chicago | IL | DB | 171 |
| Pension Plan for Employees of Evraz Inc. NA | Evraz Inc. N.A. | Chicago | IL | DB | 1,486 |
| Pension Plan for Employees of the Chicago Mercantile Exchange, Inc. | Chicago Mercantile Exchange, Inc. | Chicago | IL | DB | 3,557 |
| Pension Plan for Hollister-Whitney Elevator Corporation Union Employees | Hollister-Whitney Elevator Co. LLC | Quincy | IL | DB | 342 |
| Pension Plan for Pactiv Evergreen | Pactiv LLC | Lake Forest | IL | DB | 16,520 |
| Pension Plan for Reynolds Bargaining | Reynolds Consumer Products LLC | Lake Forest | IL | DB | 385 |
| Penta Group, Inc. Profit Sharing Plan | Penta Group, Inc. | Centralia | IL | DC | 122 |
| Peoples National Bank of Kewanee Pension Plan | Peoples National Bank of Kewanee | Kewanee | IL | DB | 120 |
| Peoples National Bank of Kewanee Profit Sharing Plan | Peoples National Bank of Kewanee | Kewanee | IL | DC | 122 |
| Peoria Chapter of Bricklayers Local No. 6 Pension Plan and Trust | Peoria Chapter of the Local No. 6 of Il Intl Union of Bricklayers | Peoria | IL | DB | 272 |
| Peoria Production Shop Retirement Plan | Peoria Production Shop | Peoria | IL | DC | 273 |
| Pepco Holdings LLC Retirement Plan | Exelon Corporation | Chicago | IL | DB | 10,110 |
| Perdoceo Education Corporation 401(k) Plan | Perdoceo Education Corporation | Schaumburg | IL | DC | 5,703 |
| Perfection Plating, Inc. Retirement Plan | Perfection Plating, Inc. | Elk Grove Village | IL | DC | 209 |
| Perfection Servo Hydraulics, Inc. 401(k) and Profit Sharing Plan | Perfection Servo Hydraulics, Inc. | Batavia | IL | DC | 130 |
| Perfect Plastic Printing Corporation 401(k) Profit Sharing Plan | Perfect Plastic Printing Corporation | ST Charles | IL | DC | 349 |
| Performance Dynamics LLC 401(k) Profit Sharing Plan & Trust | Performance Dynamics LLC | Chicago | IL | DC | 191 |
| Performance Health 401(k) Plan | Performance Health Supply LLC | Warrenville | IL | DC | 1,080 |
| Performance Trust Retirement Plan | PT Financial Holdings, Inc. | Chicago | IL | DC | 482 |
| Perkins&will, Inc. Retirement Savings Plan | Perkins&will, Inc. | Chicago | IL | DC | 3,060 |
| Perkspot 401(k) Plan | 12 Interactive, LLC | Chicago | IL | DC | 138 |
| Pernix Group 401(k) Retirement Plan | Pernix Group Inc. | Lombard | IL | DC | 519 |
| Peryam & Kroll 401(k) Plan | Peryam & Kroll Research Corporation | Chicago | IL | DC | 249 |
| Petersen Health Care, Inc. 401(k) Plan | Petersen Health Care Management, LLC | Peoria | IL | DC | 334 |
| Peters Heating & Air Conditioning, Inc. Retirement Savings Plan | Peters Heating & Air Conditioning, Inc. | Quincy | IL | DC | 311 |