| Iron Workers' Mid-America Supplemental Monthly Annuity (Sma) Fund | Trustees of Iron Wkers' Mid-America Supplemental | Lansing | IL | DC | 7,052 |
| Iron Workers Mid-South Pension Fund | Trustees - Iron Workers Mid-South Pension Fund | Oak Brook | IL | DB | 3,000 |
| Ironworkers National Pension Plan | Ironworkers National Pension Plan Board of Trustees | Oakbrook | IL | DB | 13,533 |
| Iroquois Federal Savings and Loan Association Employee Stock Ownership Plan | Iroquois Federal Savings and Loan Association | Watseka | IL | DC | 105 |
| Iroquois Industrial Group LLC 401(k) Profit Sharing Plan & Trust | Iroquois Industrial Group LLC | Watseka | IL | DC | 483 |
| Iroquois Memorial Hospital and Resident Home 401(k) Plan | Iroquois Memorial Hospital and Resident Home | Watseka | IL | DC | 413 |
| Ismie Mutual Insurance Company 401(k) Plan | Ismie Mutual Insurance Company | Chicago | IL | DC | 250 |
| Iti Intermodal 401(k) Retirement Plan | Iti Intermodal, Inc. | Wilmington | IL | DC | 401 |
| IT Soft USA, Inc. 401(k) Plan | IT Soft USA Inc. | Chicago | IL | DC | 196 |
| Its Technologies & Logistics, LLC 401(k) Retirement Savings Plan | Its Technologies & Logistics, LLC | Westmont | IL | DC | 2,565 |
| Itw Bargaining Savings and Investment Plan | Illinois Tool Works Inc. | Glenview | IL | DC | 554 |
| Itw Retirement Accumulation Plan | Illinois Tool Works Inc. | Glenview | IL | DB | 19,834 |
| Itw Savings and Investment Plan | Illinois Tool Works Inc. | Glenview | IL | DC | 27,157 |
| IUOE Local 399 Participating Employers Deferred Compensation Employee Savings Plan | Board of Trustees IUOE Local 399 Deferred Compensation Savings Plan | Chicago | IL | DC | 7,098 |
| IUOE Local 965 Annuity Plan | Board of Trustees, IUOE Local 965 Annuity Fund | Springfield | IL | DC | 1,975 |
| Iw Technologies 401(k) Profit Sharing Plan and Trust | Iw Technologies | Elgin | IL | DC | 184 |
| J & a Caregivers LLC 401(k) Profit Sharing Plan & Trust | J & a Caregivers LLC | Chicago | IL | DC | 177 |
| Jack Schmitt Family of Dealerships, Inc. 401(k) Plan | Jack Schmitt Family of Dealerships, Inc. | O Fallon | IL | DC | 224 |
| Jackson Park Hospital 403(b) Retirement Program | Jackson Park Hospital Foundation | Chicago | IL | DC | 726 |
| Jackson Park Hospital Foundation Defined Contribution Plan | Jackson Park Hospital Foundation | Chicago | IL | DC | 553 |
| Jackson Park Hospital Foundation Pension Plan | Jackson Park Hospital Foundation | Chicago | IL | DB | 201 |
| Jacob & Hefner Associates 401(k) Plan | Jacob & Hefner Associates, Inc. | Downers Grove | IL | DC | 157 |
| Jacobson Associates 401(k) Plan | J.J. & H., Ltd. | Chicago | IL | DC | 394 |
| James Hardie Building Products, Inc. Retirement Plan | James Hardie Building Products, Inc. | Chicago | IL | DC | 4,731 |
| J.A. Watts, Inc. 401(k) Plan | J.A. Watts, Inc. | Chicago | IL | DC | 170 |
| JBT Corporation Employees' Retirement Program | John Bean Technologies Corporation | Chicago | IL | DB | 2,432 |
| JC Licht 401(k) Plan | JC Licht, LLC | Addison | IL | DC | 907 |
| JDRC Managed Services, LLC 401(k) Plan | JDRC Managed Services, LLC | Chicago | IL | DC | 3,674 |
| Jellyvision Savings and Retirement Plan | The Jellyvision Lab, Inc. | Chicago | IL | DC | 412 |
| Jel Sert Company Incentive Savings Plan | Jel Sert Company | West Chicago | IL | DC | 333 |
| Jel Sert Retirement Income and Savings Plan | The Jel Sert Company | West Chicago | IL | DC | 705 |
| Jenner & Block Cash Balance Plan | Jenner & Block LLP | Chicago | IL | DB | 154 |
| Jenner & Block Profit Sharing Plan - #201 | Jenner & Block LLP | Chicago | IL | DC | 1,650 |
| Jeron Employees' 401(k) Profit Sharing Plan | Jeron Electronic Systems, Inc. | Niles | IL | DC | 104 |
| Jessup Manufacturing Company 401(k) Plan | Jessup Manufacturing Company | MC Henry | IL | DC | 131 |
| Jetson Mailer 401(k) Plan | Senior Midwest Direct, Inc. DBA Jetson Mailer | Lemont | IL | DC | 386 |
| Jewish Council for Youth Services 401(k) Profit Sharing Plan | Jewish Council for Youth Services | Chicago | IL | DC | 210 |
| J.F. Edwards Construction Co. 401(k) P/s Plan | J.F. Edwards Construction | Geneseo | IL | DC | 227 |
| Jim Beam Brands Company Union 401(k) Plan | Jim Beam Brands Co. | Chicago | IL | DC | 715 |
| Jim's Formal Wear Employee Stock Ownership Plan | Jim's Formal Wear LLC | Trenton | IL | DC | 370 |
| Jim's Formal Wear Inc. 401(k) Profit Sharing Plan | Jims Formal Wear Inc. | Trenton | IL | DC | 501 |
| J.J. Collins' Sons, Inc. 401(k) Plan | J.J. Collins Sons, Inc. | Lisle | IL | DC | 147 |
| J & J Ventures Gaming, LLC 401(k) Savings Plan and Trust | J & J Ventures Gaming, LLC | Effingham | IL | DC | 755 |
| J.L. Clark Employees Retirement Savings Plan | J.L. Clark, LLC | Rockford | IL | DC | 343 |
| JMB Realty Corporation Employees Savings Plan | JMB Realty Corporation | Chicago | IL | DC | 1,100 |
| JMG Financial Group, Ltd. Profit Sharing and 401(k) Plan and Trust | JMG Financial Group, Ltd. | Downers Grove | IL | DC | 103 |
| John Bean Technologies Corporation Savings and Investment Plan | John Bean Technologies Corporation | Chicago | IL | DC | 3,465 |
| John Boos & Co. 401(k) Plan | John Boos & Co. | Effingham | IL | DC | 382 |
| John B Sanfilippo & Son, Inc. 401(k) Plan | John B. Sanfilippo & Son, Inc. | Elgin | IL | DC | 2,025 |
| John D. & Catherine T. Macarthur Foundation Retirement Plan | John D. & Catherine T. Macarthur Foundation | Chicago | IL | DC | 304 |
| John Deere Pension Plan for Salaried Employees | Deere & Company | Moline | IL | DB | 34,156 |
| John Deere Pension Plan for Wage Employees | Deere & Company | Moline | IL | DB | 29,364 |
| John Deere Savings and Investment Plan | Deere & Company | Moline | IL | DC | 26,538 |
| John Deere Tax Deferred Savings Plan | Deere & Company | Moline | IL | DC | 15,110 |
| John Maneely Company Pension Plan | Wheatland Tube, LLC | Chicago | IL | DB | 658 |
| Johnsbyrne Company 401(k) Savings Plan | Johns Byrne Company | Niles | IL | DC | 216 |
| Johnson & Bell, Ltd. 401(k) Profit Sharing Plan | Johnson & Bell, Ltd. | Chicago | IL | DC | 235 |
| Johnson & Quin, Inc. Retirement Plan | Johnson & Quin, Inc. | Niles | IL | DC | 114 |
| Johnson Service Group, Inc. Retirement Savings Plan - Contract Employees | Johnson Service Group, Inc. | Westmont | IL | DC | 2,310 |
| Johnson Service Group, Inc. Retirement Savings Plan - Staff Employees | Johnson Service Group, Inc. | Westmont | IL | DC | 220 |
| Joint Comm on Acred of Healthcare Org Accnt Based Retir PLN | Joint Commission on Accreditation of Healthcare Organizations | Oakbrook Terrace | IL | DB | 324 |
| Jones Lang Lasalle Savings and Retirement Plan | Jones Lang Lasalle Americas, Inc. | Chicago | IL | DC | 47,898 |
| Journey Care, Inc. 403(b) Retirement Savings Plan | Journey Care, Inc. | Glenview | IL | DC | 280 |
| Jrack Holdings, Inc. Profit Sharing Plan | Jrack Holdings Inc. | Franklin Park | IL | DC | 434 |
| J.R. Carlson Laboratories, Inc. 401(k) Plan | J.R. Carlson Laboratories, Inc. | Lincolnshire | IL | DC | 196 |
| Jssi Management Enterprises, LLC 401(k) Plan | Jssi Management Enterprises, LLC | Chicago | IL | DC | 349 |
| J.S.T. Corporation 401(k) Plan | J.S.T. Corporation | Waukegan | IL | DC | 411 |
| Jtekt Machinery Americas Corporation Retirement Plan | Jtekt Machinery Americas Corporation | Arlington Heights | IL | DC | 233 |
| Judson University Retirement Plan | Judson University | Elgin | IL | DC | 267 |
| Jump Operations, LLC Employee 401(k) Plan | Jump Operations, LLC | Chicago | IL | DC | 1,476 |
| Justrite Safety Group 401(k) Plan | Justrite Manufacturing Company, LLC | Mattoon | IL | DC | 1,468 |
| JVM Realty Corporation Employees' 401(k) Plan and Trust | JVM Realty Corporation | Oak Brook | IL | DC | 362 |
| K2 Services LLC 401(k) Plan | K2 Services LLC | Chicago | IL | DC | 522 |
| Kalderos 401(k) Plan | Kalderos, Inc. | Chicago | IL | DC | 158 |
| Kalle USA, LLC 401(k) Plan | Kalle USA, LLC | Gurnee | IL | DC | 335 |
| Karl Knauz Motors, Inc. 401(K)/PROFIT Sharing Plan | Karl Knauz Motors, Inc. | Lake Bluff | IL | DC | 344 |
| Karmak, Inc. 401(k) Profit Sharing Plan and Trust | Karmak, Inc. | Carlinville | IL | DC | 305 |
| Karmak, Inc. Employee Stock Ownership Plan | Karmak, Inc. | Carlinville | IL | DC | 215 |
| Kaskaskia Workshop, Inc. Profit Sharing Plan | Kaskaskia Workshop, Inc. | Centralia | IL | DC | 115 |
| Katalyst Technologies 401(k) Plan | Katalyst Technologies, Inc. | Evanston | IL | DC | 451 |
| Katherine Shaw Bethea Hospital Retirement Savings Plan | Osf Healthcare System | Peoria | IL | DC | 1,163 |
| Katten Muchin Rosenman LLP Defined Contribution Plan | Katten Muchin Rosenman LLP | Chicago | IL | DC | 1,992 |
| Kauffman Engineering 401(k) Employee Savings Plan | Kauffman Engineering, LLC | Lincolnshire | IL | DC | 448 |
| Kay & Associates, Inc. Profit Sharing & Retirement Savings Plan | Kay and Associates, Inc. | Buffalo Grove | IL | DC | 1,513 |
| K. C. Summers, Inc. 401(k) Plan | K. C. Summers, Inc. | Matton | IL | DC | 127 |
| Keats Manufacturing Co. 401(k) and Profit Sharing Plan | Keats Manufacturing Co. | Wheeling | IL | DC | 243 |
| Kehe Distributors, Inc. 401(k) Retirement Savings Plan | Kehe Distributors, Inc. | Naperville | IL | DC | 9,775 |
| Kehe Distributors, Inc. Employee Stock Ownership Plan | Kehe Distributors, Inc. | Naperville | IL | DC | 8,582 |
| Kehoe Designs 401(k) Plan | Kehoe Designs, Inc. | Chicago | IL | DC | 166 |
| Kellanova Muncy Pension Plan | Kellanova | Chicago | IL | DB | 453 |
| Kellanova Pension Plan | Kellanova | Chicago | IL | DB | 10,654 |
| Kellanova Pringles Savings and Investment Plan | Kellanova | Chicago | IL | DC | 1,255 |
| Kellanova Savings and Investment Plan | Kellanova | Chicago | IL | DC | 10,657 |
| Kelley Williamson Company Profit Sharing Plan | Kelley Williamson Company | Rockford | IL | DC | 430 |
| Kellner Employee Stock Ownership Plan | M. J. Kellner Company | Springfield | IL | DC | 128 |
| Kelly, Scott and Madison, Inc. Profit Sharing Plan and Trust | Kelly, Scott and Madison, Inc. | Chicago | IL | DC | 185 |
| Kemper Corporation 401(k) Retirement Plan | Kemper Corporation | Chicago | IL | DC | 11,511 |
| Kemper CPA Group LLP Employees Profit Sharing Plan | Kemper CPA Group LLP | Robinson | IL | DC | 488 |
| Kemper Sports Management Employees' Profit-Sharing Plan | Kemper Sports Management, Inc. | Northbrook | IL | DC | 3,640 |
| Kenmode Tool and Engineering, Inc. 401(k) Plan | Kenmode Tool & Engineering, Inc. | Algonquin | IL | DC | 169 |
| Kenneth C. Griffin Museum of Science and Industry 401(k) Plan | Kenneth C. Griffin Museum of Science and Industry | Chicago | IL | DC | 548 |
| Kenneth Young Center 403(b) Plan | Kenneth Young Center | Elk Grove Village | IL | DC | 412 |
| Kennicott Brothers Company Employee Stock Ownership and 401(k) | Kennicott Brothers Company | Chicago | IL | DC | 428 |
| Kensing, LLC 401(k) Plan | Kensing, LLC | Kankakee | IL | DC | 298 |
| Keplr Vision 401(k) Plan | Imperial Optical Midco Inc. | Bloomington | IL | DC | 3,187 |
| Kerber, Eck & Braeckel LLP 401(k) Profit Sharing Plan | Kerber, Eck & Braeckel LLP | Springfield | IL | DC | 402 |
| Key Autism Services Opr LLC 401(k) Profit Sharing Plan & Trust | Key Autism Services Opr LLC | Chicago | IL | DC | 1,198 |
| Keyence Corporation of America Savings Plan | Keyence Corporation of America | Itasca | IL | DC | 2,116 |
| Keypath Education, LLC 401(k) Plan | Keypath Education, LLC | Schaumburg | IL | DC | 432 |
| Keystone-Bartonville 401(k) Retirement Plan | Keystone Consolidated Industries | Peoria | IL | DC | 860 |
| Keystone Employees' Retirement Plan | Keystone Consolidated Industries | Peoria | IL | DB | 3,438 |
| Keystone Marketing Holdings, LLC 401(k) Plan | Keystone Marketing Holdings, LLC | Chicago | IL | DC | 1,042 |
| Kiara, Inc. 401(k) Profit Sharing Plan | Prairie Cardiovascular Consultants, Inc. | Springfield | IL | DC | 512 |
| Kinaxis Corp. 401(k) Plan | Kinaxis Corp. | Chicago | IL | DC | 311 |
| King-Bruwaert House Retirement Fund | King-Bruwaert House | Burr Ridge | IL | DC | 193 |
| Kingery Printing Company 401(k) Retirement Plan | Kingery Printing Company | Effingham | IL | DC | 195 |
| Kingspan Light & Air 401(k) Plan | Kingspan Light & Air, LLC | Lake Forest | IL | DC | 515 |
| Kingsway America Inc. 401(k) Retirement Savings Plan | Kingsway America Inc. | Chicago | IL | DC | 567 |
| Kin Insurance Retirement Savings Plan | Kin Insurance | Chicago | IL | DC | 750 |
| Kirby Foods, Inc. 401(k) Plan | Kirby Foods, Inc. | Champaign | IL | DC | 420 |
| Kirby Foods, Inc. Employee Stock Ownership Plan | Kirby Foods, Inc. | Champaign | IL | DC | 565 |
| Kirby Medical Center 401(k) Plan | Kirby Medical Center | Monticello | IL | DC | 419 |
| Kirkland & Ellis LLP 2011 Retirement Plan | Kirkland & Ellis LLP | Chicago | IL | DB | 783 |
| Kirkland & Ellis LLP Defined Contribution 401(k) Savings Plan | Kirkland & Ellis LLP | Chicago | IL | DC | 9,265 |
| Kivvit Cash Balance Plan | Kivvit, LLC | Chicago | IL | DB | 124 |
| Klein and Hoffman, Inc. Employees' Profit Sharing and 401(k) Savings Plan | Klein and Hoffman Inc. | Chicago | IL | DC | 103 |
| Klingner & Associates, P.C. Retirement Plan | Klingner & Associates, P.C. | Quincy | IL | DC | 209 |
| Knight Hawk Coal, LLC 401(k) P/s Plan and Trust | Knight Hawk Coal, LLC | Percy | IL | DC | 422 |
| Knowles Corporation 401(k) Plan | Knowles Corporation | Itasca | IL | DC | 1,793 |
| Knowles Intermediate 401(k) Plan | Knowles Intermediate PD Holdings, | Itasca | IL | DC | 394 |
| Knox College Retirement Plan | Knox College | Galesburg | IL | DC | 826 |
| Koch Meat Co., Inc. 401(k) Plan | Koch Foods, Inc. | Park Ridge | IL | DC | 7,385 |
| Kocsis Bros. Machine Co. Employees' Profit Sharing & Savi | Kocsis Brothers Machine Co. | Alsip | IL | DC | 127 |
| Koerner Distributor, Inc. 401(k) Profit Sharing Plan and Trust | Koerner Distributor, Inc. | Effingham | IL | DC | 277 |
| Kolcraft Enterprises, Inc. 401(k) Plan | Kolcraft Enterprises, Inc. | Chicago | IL | DC | 161 |
| Komatsu America Corp. 401(k) Deferred Savings Plan for Union Hourly Employees, Peoria, Illinois | Komatsu America Corp. | Rolling Meadows | IL | DC | 517 |
| Komatsu America Corp. Savings Plan | Komatsu America Corp. | Chicago | IL | DC | 4,279 |
| Komatsu America Corp. Target Benefit/defined Contribution Plan | Komatsu America Corp. | Chicago | IL | DC | 1,296 |
| Komax Corporation 401(k) Retirement Plan | Komax Corporation | Buffalo Grove | IL | DC | 149 |
| Kone Inc. Employee Savings Plan | Kone Inc. | Lisle | IL | DC | 2,602 |
| Kone Inc. Employees' Retirement Plan | Kone Inc. | Lisle | IL | DB | 3,058 |
| Konekt 401(k) Plan | Konekt | Chicago | IL | DC | 251 |
| Kopka, Pinkus & Dolin Employee Savings & Retirement Plan | Kopka, Pinkus & Dolin, PC | Buffalo Grove | IL | DC | 371 |
| Kranze Technology Solutions 401(k) Plan | Kranze Technology | Des Plaines | IL | DC | 140 |
| KRD, Ltd. 401(k) and Profit Sharing Plan | KRD, Ltd. | Schaumburg | IL | DC | 115 |
| Kreher Steel 401(k) Plan | Kreher Steel Company, LLC | Melrose Park | IL | DC | 200 |
| Kress Corporation 401(k) Plan | Kress Corporation | Brimfield | IL | DC | 212 |
| Kroeschell, Inc. Contributory Profit SHARING/401(K) Plan | Kroeschell, Inc. | Arlington Heights | IL | DC | 281 |
| Kru's Delivery Services Inc. 401(k) Plan | Kru's Delivery Services, Inc. | Orland Park | IL | DC | 131 |
| Kubota Engine America Corporation 401(k) Plan | Kubota Engine America Corporation | Lincolnshire | IL | DC | 148 |
| Kuna Meat Company, Inc. 401(k) Profit Sharing Plan | Kuna Meat Company, Inc. | Dupo | IL | DC | 435 |
| Kuriyama of America Employees Retirement Plan | Kuriyama of America | Schaumburg | IL | DC | 406 |
| Laborers Local 231 Annuity Fund | Board of Trustees Laborers Local 231 Annuity Fund | Pekin | IL | DC | 1,798 |
| Laborers Local 231 Pension Plan | Board of Trustees Laborers Local 231 Pension Fund | Pekin | IL | DB | 1,184 |
| La Cross Dental, LLC 401(k) Profit Sharing Plan | La Cross Dental, LLC | Edwardsville | IL | DC | 242 |
| La Cross Dental, LLC 401(k) Profit Sharing Plan | La Cross Dental, LLC | Edwardsville | IL | DC | 242 |
| Lake Cable, LLC 401(k) Plan | Lake Cable, LLC | Bensenville | IL | DC | 646 |
| Lake County Plasterers & Cement Masons Retirement | Lake County Plasterers & Cement Masons R | Schaumburg | IL | DC | 1,148 |
| Lake Forest Academy Defined Contribution Plan | Lake Forest Academy | Lake Forest | IL | DC | 227 |
| Lake Forest College Retirement Plan for Faculty and Staff | Lake Forest College | Lake Forest | IL | DC | 875 |
| Lake Forest Country Day School 403(b) Plan | Lake Forest Country Day School | Lake Forest | IL | DC | 206 |
| Lake Forest Graduate School of Management Retirement Savings Plan | Lake Forest Graduate School of Management | Lake Forest | IL | DC | 1,078 |
| Lakeshore Employment Inc. 401(k) Profit Sharing Plan and Trust | Lakeshore Employment Inc. | Skokie | IL | DC | 439 |
| Lakeshore Recycling Systems 401(k) Plan | Lakeshore Recycling Systems | Rosemont | IL | DC | 1,457 |
| Lakeside Bank Employee Savings and Protection Plan | Lakeside Bank | Park Ridge | IL | DC | 215 |
| Lakeside Bank Retirement Plan | Lakeside Bank | Chicago | IL | DB | 255 |
| Lancaster Retirement & Savings Plan | Lancaster Ltd. | Chicago | IL | DC | 156 |
| Lanco International, Inc. Employees' 401(k) Retirement Savings Program | Lanco International, Inc. | Hazel Crest | IL | DC | 969 |
| Land of Lincoln 401(k) Plan | Land of Lincoln Legal Aid, Inc. | East St. Louis | IL | DC | 178 |
| Land of Lincoln Credit Union 401(k) Plan | Land of Lincoln Credit Union | Decatur | IL | DC | 196 |
| Land O'Frost 401(k) Retirement Savings Plan | Land O'Frost, Inc. | Lansing | IL | DC | 1,659 |
| Lanter Distributing LLC 401(k) Plan | Lanter Distributing LLC | Madison | IL | DC | 212 |
| Lanzatech Retirement Savings 401(k) Plan | Lanzatech, Inc. | Skokie | IL | DC | 353 |
| Lapmaster International 401(k) Salary Savings Plan | Lapmaster International LLC | MT Prospect | IL | DC | 121 |
| La Rabida Children's Hospital 403(b) Retirement Savings Plan | La Rabida Children's Hospital | Chicago | IL | DC | 680 |
| La Rabida Employees Retirement Plan | La Rabida Children's Hospital | Chicago | IL | DB | 370 |
| Larry Roesch Family Auto Group 401(k) Plan | Larry Roesch Family Auto Group | Elmhurst | IL | DC | 162 |
| Larsen Manufacturing, LLC 401(k) Profit Sharing Plan and Trust | Larsen Manufacturing, LLC | Mundelein | IL | DC | 299 |
| Larson Manufacturing Company Employee Profit Sharing Plan | Fortune Brands Innovations, Inc. | Deerfield | IL | DC | 468 |
| Latin School of Chicago Retirement Plan | Latin School of Chicago | Chicago | IL | DC | 689 |
| Launch Management Services, LLC Retirement Plan | Launch Management Services, LLC | Oak Brook | IL | DC | 1,109 |
| Laura Automotive Group 401(k) Profit Sharing Plan | Laura Buick - GMC, Inc. | Collinsville | IL | DC | 251 |
| Lauterbach & Amen, LLP 401(k) Plan | Lauterbach & Amen, LLP | Naperville | IL | DC | 266 |
| Law Bulletin Media Employees Profit Sharing Plan & Trust | Law Bulletin Media | Chicago | IL | DC | 157 |
| Lawndale Christian Health Center 403(b) Plan | Lawndale Christian Health Center | Chicago | IL | DC | 827 |
| Lawrence Screw Products, Inc. 401(k) Profit Sharing Plan | Lawrence Screw Products, Inc. | Harwood Heights | IL | DC | 142 |
| Lawter, Inc. 401(k) Plan | Lawter, Inc. | Elgin | IL | DC | 121 |
| League Corp. 401(k) Plan | League Corp. | Chicago | IL | DC | 183 |
| Leahy Family of Companies 401(k) | William H. Leahy Associates, Inc. | Glenview | IL | DC | 254 |
| Leap Services, Inc. 401(k) Plan | Leap Services, Inc. | Chicago | IL | DC | 735 |
| Learn Charter School 403(b) DC Plan and Learn Charter School 403(b) Tda Plan | Learn Charter School | Chicago | IL | DC | 1,159 |
| Leasing & Management Company, Inc. Retirement Savings Plan | Leasing & Management Company, Inc. | Chicago | IL | DC | 146 |
| Lechner and Sons, Inc. 401(k) Retirement Savings Plan | Lechner & Sons, Inc. | Mount Prospect | IL | DC | 128 |
| Legacy Allergan, Inc. Pension Plan | Allergan, Inc. | North Chicago | IL | DB | 3,331 |
| Legacy.com 401(k) Plan | Legacy.com, Inc. | Chicago | IL | DC | 435 |
| Legacy Healthcare 401(k) Retirement Plan | Legacy Healthcare Financial Services, LLC | Skokie | IL | DC | 7,830 |
| Legacy Marketing Partners, LLC 401(k) Plan | Legacy Marketing Partners, LLC | Chicago | IL | DC | 153 |
| Legacy Professionals LLP 401(k) Plan | Legacy Professionals LLP | Westchester | IL | DC | 251 |
| Legal Aid Chicago Employee Contribution Plan | Legal Aid Chicago | Chicago | IL | DC | 341 |
| Lending Solutions 401(k) Plan | Lending Solutions, Inc. | Elgin | IL | DC | 433 |
| Lenny's Gas N Wash 401(k) Plan | Lenny's Gas N Wash, LLC | Tinley Park | IL | DC | 462 |
| Leopardo Companies, Inc. 401(k) Savings Plan | Leopardo Companies, Inc. | Hoffman Estates | IL | DC | 474 |
| Leslie Shankman School Corporation 403(b) Plan | Leslie Shankman School Corporation | Chicago | IL | DC | 305 |
| Lessen 401(k) Plan | Lessen LLC | Chicago | IL | DC | 1,400 |
| Lettuce Entertain You Employee Savings Plan | Lettuce Entertain You Enterprises, Inc. | Chicago | IL | DC | 6,013 |
| Levata 401(k) Plan | Levata | Chicago | IL | DC | 690 |
| Level 10 Employee Stock Ownership Plan | Level 10 Holdings, Co. | Hoffman Estates | IL | DC | 153 |
| Level 10, LLC 401(k) Profit Sharing Plan | Level 10, LLC | Hoffman Estates | IL | DC | 193 |
| Levenfeld Pearlstein, LLC Cash Balance Plan | Levenfeld Pearlstein, LLC | Chicago | IL | DB | 128 |
| Levenfeld Pearlstein Member and Staff Retirement Plan | Levenfeld Pearlstein, LLC | Chicago | IL | DC | 137 |
| Levi Ray & Shoup 401(k) Matching Contribution Plan | Levi, Ray & Shoup, Inc. | Springfield | IL | DC | 799 |
| Lewis University 403(b) Defined Contribution Retirement Plan | Lewis University | Romeoville | IL | DC | 588 |
| Leyden Family Service & Mental Health Center Tax Sheltered Annuity Plan | Leyden Family Service & Mental Health Center | Franklin Park | IL | DC | 159 |
| Leydig, Voit & Mayer, Ltd. 401(k) and Profit Sharing Plan | Leydig, Voit & Mayer, Ltd. | Chicago | IL | DC | 263 |
| L & H Company, Inc. 401(k) Profit Sharing Plan and Trust | L & H Company, Inc. | Oak Brook | IL | DC | 376 |
| L & H Company, Inc. Employee Stock Ownership Plan and Trust | L & H Company, Inc. | Oak Brook | IL | DC | 274 |
| Liberty Auto City, Inc. Profit Sharing and 401(k) Plan | Liberty Auto City, Inc. | Libertyville | IL | DC | 133 |
| Libra Solutions 401(k) Savings Plan | Oasis Legal Finance Operating Company, LLC | Rosemont | IL | DC | 688 |
| Life Fitness, LLC 401(k) Savings Plan | Life Fitness, LLC | Rosemont | IL | DC | 1,588 |
| Lifeway Foods, Inc. 401(k) Profit Sharing Plan and Trust | Lifeway Foods, Inc. | Morton Grove | IL | DC | 323 |
| Lifting Gear Hire Corporation 401(k) Plan | Lifting Gear Hire Corporation | Bridgeview | IL | DC | 262 |
| Lighthouse Buick GMC, Inc. DBA Lighthouse Automotive 401(k) Plan | Lighthouse Buick GMC, Inc. DBA Lighthouse Automotive | Morton | IL | DC | 170 |
| Lightology LLC 401(k) Plan | Lightology LLC | Chicago | IL | DC | 248 |
| Lightways Hospice and Serious Illness Care 401(k) Plan | Joliet Area Community Hospice Corporation | Joliet | IL | DC | 291 |
| Lincoln International LLC 401(k) Plan | Lincoln International LLC | Chicago | IL | DC | 902 |
| Lincoln Park Zoological Society Retirement Plan | Lincoln Park Zoo | Chicago | IL | DC | 400 |
| Lindemann Chimney Service Inc. 401(k) and Profit Sharing Plan Trust | Lindemann Chimney Service Inc. | Lake Bluff | IL | DC | 134 |
| Liquor and Allied Workers Local No. 3 Pension Fund Salesmen Division | Trustees of Allied Workers Union Local No 3 Pension Plan Sales Divisio | River Forest | IL | DB | 2,616 |
| Liquor and Allied Workers Union Local No. 3, Emp | Trustees of Liquor and Allied WKRS Union, Local 3 Emp Deferred Comp | River Forest | IL | DC | 2,869 |
| Liquor and Allied Workers Union Local No. 3 Pension Fund | Trustees of Liquor & Allied Workers Union Local No. 3 Pension Fund | River Forest | IL | DB | 757 |
| Litania Sports Group, Inc. 401(k) Plan | Litania Sports Group, Inc. | Champaign | IL | DC | 196 |
| Litchfield Cavo LLP 401(k) Plan | Litchfield Cavo LLP | Chicago | IL | DC | 656 |
| Litera Microsystems 401(k) Plan | Freedom Solutions Group LLC | Chicago | IL | DC | 561 |
| Littelfuse, Inc. 401(k) Retirement and Savings Plan | Littelfuse, Inc. | Rosemont | IL | DC | 1,391 |
| Little City Foundation 401(k) Plan | Little City Foundation | Inverness | IL | DC | 627 |
| Little Friends, Inc. Profit Sharing Plan | Little Friends, Inc. | Warrenville | IL | DC | 411 |
| Livingston International, Inc. 401(k) Retirement Savings Plan | Livingston International, Inc. | Schaumburg | IL | DC | 1,333 |
| L & J Technologies 401(k) Profit Sharing Plan and Trust | L & J Holding Company, LLC | Hillside | IL | DC | 106 |
| LKQ Corporation Employees' Retirement Plan | LKQ Corporation | Chicago | IL | DC | 16,609 |
| LMT Onsrud LP Retirement Savings Plan | LMT Onsrud LP | Waukegan | IL | DC | 176 |
| Loadsmart, Inc. 401(k) Plan | Loadsmart, Inc. | Chicago | IL | DC | 281 |
| Local 3 Tire and Plastic Division Pension Fund | Trustees of Local 3 Tire and Plastic Division Pension Fund | River Forest | IL | DB | 118 |
| Local 441 Plumbers & Pipefitters Retirement Plan | Plumbers & Pipefitters Local Union No. 441 | Oak Brook | IL | DB | 1,414 |
| Local 703, I.b of T., Grocery & Food Employees' Pension Plan | Trustees of Local 703, I.B. of T., Grocery & Food Employees' Pension P | Oak Brook | IL | DB | 1,498 |
| Local 705 Int'l Brotherhood of Teamsters Pension Tr. Fd. | BD of Trustees Local 705 I.B. of T. Pension Trust Fund | Chicago | IL | DB | 15,670 |
| Local 734 Pension Fund | Trustees of the Local 734 Pension Fund | Chicago | IL | DB | 3,357 |
| Local 743 Severance and Retirement Plan | Trustees of Local 743 Ib of T | Oak Brook | IL | DC | 3,039 |
| Local 780 I.A.T.S.E. 401(k) Plan | Trustees of Local 780 I.A.T.S.E 401(k) Plan | Chicago | IL | DC | 106 |
| Local 780 I.A.T.S.E. 401(k) Plan | Trustees of Local 780 I.A.T.S.E 401(k) Plan | Chicago | IL | DC | 106 |
| Local 786 I.B. of T. Severance Trust Fund | Board of Trustees of Local 786 I.B. of T. Severance Trust Fund | Chicago | IL | DC | 1,164 |
| Local 81 Int'l Assoc of Heat & Frost Insulators & Allied Workers Pension Plan | Board of Trustees of the Insulators and Allied Workers Local 81 Pensio | Moline | IL | DB | 232 |
| Local 99 Pension Plan | Board of Trustees Local 99 Pension Plan | Moline | IL | DB | 432 |
| Local No. 1 Pension Trust Fund | Trustees of Local 1 Pension Fund | Downers Grove | IL | DB | 9,289 |
| Local No. 1 Retirement Savings Trust Fund | Trustee of Local 1 Retirement Savings Trust Fund | Downers Grove | IL | DC | 2,128 |
| Local No. 1 Suburban 401(k) Savings Plan | Board of Trustees Local No. 1 Suburban 401(k) Savings Plan | Downers Grove | IL | DC | 6,511 |
| Local No 731 Excavators and Pavers Pension Trust Fund | Trustee of Excv & PVRS Local 731 Pension Trust Fund | Burr Ridge | IL | DB | 1,614 |
| Local No. 731, I.B. of T., Pension Fund | Local No. 731, I.B. of T., Pension Fund | Burr Ridge | IL | DB | 8,408 |
| Local Union 786 Building Material Pension Fund | Trustees of Local Union 786 Ibt Material Pension | Chicago | IL | DB | 2,985 |
| Local Union No. 9 IBEW and Outside Contractors Defined Contribution Pension Fund | Trustees of IBEW Local 9 IBEW and Outside Contractors DC Pension Fund | Tinley Park | IL | DC | 2,810 |
| Local Union No. 9 I.B.E.W. and Outside Contractors Pension Fund | Trustees of Local Union No. 9, IBEW and Outside Contractors Pension Fu | Tinley Park | IL | DB | 2,055 |
| Loeber Motors, Inc. Salary Deferral 401(k) Profit Sharing Plan | Loeber Motors, Inc. | Lincolnwood | IL | DC | 159 |
| Logicgate, Inc. 401(k) Plan | Logicgate, Inc. | Chicago | IL | DC | 287 |
| Logoplaste USA Syracuse LLC 401(k) Plan | Logoplaste USA Syracuse, LLC | Plainfield | IL | DC | 736 |
| Logs Legal Network 401(k) Plan | Logs Legal Group LLP | Bannkockburn | IL | DC | 673 |
| Longview Capital Corporation 401(k) Plan | Longview Capital Corporation | Newman | IL | DC | 179 |
| Loop Capital Markets, LLC 401(k) Plan & Trust | Loop Capital Markets, LLC | Chicago | IL | DC | 352 |
| Louis Rich, Inc. Profit Sharing Plan | Kraft Heinz Foods Company | Chicago | IL | DC | 110 |
| Loyola University Chicago Defined Contribution Retirement Plan | Loyola University of Chicago Attn Benefits Department | Chicago | IL | DC | 8,672 |
| Loyola University Employees' Retirement Plan | Loyola University of Chicago Attn Benefits Department | Chicago | IL | DB | 3,084 |
| LS Building Products 401(k) Plan | LS Building Products | East Peoria | IL | DC | 153 |
| LSC Savings Plan | LSC Communications, LLC | Warrenville | IL | DC | 14,086 |
| Luhr Crosby, LLC Employees Profit Sharing Plan and Trust | Luhr Crosby, LLC | Columbia | IL | DC | 206 |
| Lumber Employees Local 786 Retirement Fund | Trustees of Lumber Employees 786 Retirement Fund | Chicago | IL | DB | 855 |
| Lundbeck LLC 401(k) Plan | Lundbeck LLC | Deerfield | IL | DC | 1,628 |
| Lurie Children's Medical Group, Inc. 403(b) Plan | Lurie Children's Medical Group, Inc. | Chicago | IL | DC | 1,494 |
| Luse Contracting Group, Inc. Retirement Plan | Luse Contracting Group, Inc. | Aurora | IL | DC | 103 |
| Luster Products, Inc. 401(k) Profit Sharing Plan | Luster Products, Inc. | Chicago | IL | DC | 132 |
| L.W. Schneider Inc. 401(k) & Profit Sharing Plan | LW Schneider, Inc. | Princeton | IL | DC | 171 |
| Lycee Francais de Chicago Inc. 403(b) DC Plan | Lycee Francais de Chicago Inc. | Chicago | IL | DC | 176 |
| Lydia Home Association 401(k) Retirement Plan & Trust | Lydia Home Association | Chicago | IL | DC | 509 |
| Lyon, LLC 401(k) Retirement Plan | Lyon, LLC | Montgomery | IL | DC | 348 |
| Lyric Opera 401(k) Savings Plan | Lyric Opera of Chicago | Chicago | IL | DC | 183 |
| M1 Holdings Inc. 401(k) Plan | M1 Holdings Inc. | Chicago | IL | DC | 210 |
| Machinery Movers, Riggers & Mach. Erect. Local 136 Defined Contribution Retirement Fund | Trstees Mach Mvrs,riggers&mach Erec Local 136 Def. Cont. Retire. Fund | Oak Brook | IL | DC | 931 |
| Machinery Movers, Riggers & Mach. Erect. Local 136 Supplemental Retirement Plan | Trstees Mach Mvrs,riggers&mach Erec Local 136 Supplemental Retire. Pla | Oak Brook | IL | DB | 370 |
| Maclean-Fogg Company Profit Sharing and Savings Plan | Maclean-Fogg Company | Mundelein | IL | DC | 2,472 |
| Macon Resources Inc. Retirement Savings Plan | Macon Resources Inc. | Decatur | IL | DC | 281 |
| Madison Air 401(k) Plan | Madison Iaq LLC | Chicago | IL | DC | 5,014 |
| Madison Dearborn Partners LLC Savings Incentive Plan | Madison Dearborn Partners LLC | Chicago | IL | DC | 188 |
| Madison Healthcare 401(k) Plan | Madison Healthcare Holdings II LLC | Chicago | IL | DC | 254 |
| Madison Medical 401(k) Plan | Madison Medical Corporation | Chicago | IL | DC | 310 |
| Mado Management, L. P. 401(k) Retirement Plan | Mado Management, L.P. | Chicago | IL | DC | 378 |
| Magid Glove and Safety Manufacturing Company, LLC 401(k) and Profit Sharing Plan | Magid Glove & Safety Manufacturing Company, LLC | Romeoville | IL | DC | 844 |
| Magna Health Systems, LLC 401(k) Plan | Magna Health Systems, LLC | Bedford Park | IL | DC | 456 |
| Magneco Metrel, Inc. 401(k) Plan and Trust | Magneco/metrel, Inc. | Deerfield | IL | DC | 146 |
| Magnetar Capital LLC Profit Sharing and 401(k) Plan | Magnetar Capital LLC | Evanston | IL | DC | 321 |
| Magnet-Schultz of America, Inc. 401(k) Plan | Magnet-Schultz of America, Inc. | Westmont | IL | DC | 147 |
| Magnolia Capital Management Company, Inc. 401(k) Plan | Magnolia Capital Management Company, Inc. | Chicago | IL | DC | 240 |
| Magnum Insurance Agency, Inc. 401(k) Plan | Magnum Insurance Agency, Inc. | Des Plaines | IL | DC | 272 |
| Mahoney Environmental 401(k) Plan | Mahoney Environmental Solutions, LLC | Woodridge | IL | DC | 669 |
| Majorkey Technologies LLC 401(k) Plan | Majorkey Technologies LLC | Oakbrook Terrace | IL | DC | 188 |
| Major League Baseball Pension Plan for Non-Uniformed Personnel | Chicago White Sox, Ltd. | Chicago | IL | DB | 745 |
| Malnati Organization 401(k) Savings Plan | Malnati Organization, LLC | Buffalo Grove | IL | DC | 1,739 |
| Manhard Consulting, Ltd. Cash Or Deferred Profit Sharing Plan | Manhard Consulting, Ltd. | Lincolnshire | IL | DC | 486 |
| Manhattan Mechanical Services Employee Stock Ownership Plan | Manhattan Mechanical Services | Manhattan | IL | DC | 158 |
| Manitex International, Inc. Employees' 401(k) Plan | Manitex International Inc. | Bridgeview | IL | DC | 216 |
| Manufacturers News, Inc. 401(k) Plan | Manufacturers News, Inc. | Evanston | IL | DC | 140 |
| Manufacturing Maintenance Solutions, Inc. Employee Stock Ownership Plan | Manufacturing Maintenance Solutions , Inc. | Pekin | IL | DC | 240 |
| Mapleleaf Foods USA Retirement Plan | Maple Leaf Foods USA Inc. | Lisle | IL | DC | 173 |
| Marc Realty 401(k) Plan | Marc Realty LLC | Chicago | IL | DC | 150 |
| Mariani Enterprises 401(k) Savings Plan | Mariani Enterprises LLC | Lake Bluff | IL | DC | 4,098 |
| Marine Industry Retirement Plan | National Marine Manufacturers Association, Inc. | Chicago | IL | DC | 5,065 |
| Marion Eye Centers, Ltd., 401(k) Plan | Marion Eye Centers, Ltd. | Marion | IL | DC | 367 |
| Mario Tricoci 401(k) Savings Plan | Mario Tricoci Hair Salon and Day Spas, LLC | Palatine | IL | DC | 1,099 |
| Marist High School 401(k) Plan | Marist High School | Chicago | IL | DC | 338 |
| Mark Anthony Group 401(k) Plan | Mark Anthony Brands Inc. | Chicago | IL | DC | 1,642 |
| Market Street Bancshares, Inc. Employee Stock Ownership Plan and Trust | Market Street Bancshares, Inc. | Mount Vernon | IL | DC | 318 |
| Marklund Employee Retirement Savings Plan | Marklund | Geneva | IL | DC | 724 |
| Marmon Consolidated Retirement Plan | Marmon Engineered Components Company | Chicago | IL | DC | 6,333 |
| Marmon Employees' Retirement Plan | Marmon Holdings, Inc. | Chicago | IL | DC | 22,250 |
| Marquette Associates, Inc. Employees' Savings & Retirement Plan | Marquette Associates, Inc. | Chicago | IL | DC | 198 |
| Marquette Bank Employee Savings & Retirement Plan | Marquette Bank | Orland Park | IL | DC | 432 |
| Marquette Bank Employee Stock Ownership Plan | Marquette Bank | Orland Park | IL | DC | 336 |
| Marquette Management Employees' 401(k) Retirement Plan | Marquette Management, Inc. | Naperville | IL | DC | 384 |
| Marquis Management, LLC. 401(k) Plan | Marquis Management, LLC. | Hennepin | IL | DC | 489 |
| Marshall Associates, Inc. Profit Sharing & 401(k) Plan | Marshall Associates, Inc. | Chicago | IL | DC | 143 |
| Marshall Browning Hospital Association Tax Deferred Annuity Plan | Marshall Browning Hospital Association | Du Quoin | IL | DC | 345 |
| Marshall, Gerstein & Borun LLP Salary Savings & Profit Sharing Plan | Marshall, Gerstein & Borun LLP | Chicago | IL | DC | 255 |
| Martin Automatic, Inc. 401(k) Plan | Martin Automatic, Inc. | Rockford | IL | DC | 331 |
| Martin & Bayley, Inc. 401(k) Plan | Martin & Bayley, Inc. | Carmi | IL | DC | 2,669 |
| Martin & Bayley, Inc. Employee Stock Ownership Plan and Trust | Martin & Bayley, Inc. | Carmi | IL | DC | 1,104 |
| Martin Engineering Company 401(k) Profit Sharing Plan | Martin Engineering Company | Neponset | IL | DC | 295 |
| Martin Equipment 401(k) and Profit Sharing Plan | Martin Equipment of Illinois, Inc. | Goodfield | IL | DC | 163 |
| Martin Retirement Savings Plan | Martin Tractor, Inc. d/b/a Martin | Galesburg | IL | DC | 404 |
| Marvin Keller Trucking Retirement Plan | Marvin Keller Trucking Inc. | Sullivan | IL | DC | 116 |
| Mastery Logistics Systems, Inc. 401(k) Plan | Mastery Logistics Systems, Inc. | Lake Forest | IL | DC | 579 |
| Masuda, Funai, Eifert & Mitchell, Ltd. Profit Sharing 401(k) Retirement Plan | Masuda, Funai, Eifert & Mitchell, Ltd. | Chicago | IL | DC | 118 |
| Material Control, Inc. 401(k) Plan | Material Control, Inc. | Batavia | IL | DC | 464 |
| Material Control Systems, Inc. 401(k) Plan & Trust | Material Control Systems, Inc. | Port Byron | IL | DC | 256 |
| Material Sciences Corporation Savings and Investment Plan | Material Sciences Corporation | Elk Grove Village | IL | DC | 518 |
| Mat Holdings, Inc. 401(k) Plan | Mat Holdings, Inc. | Long Grove | IL | DC | 1,179 |
| Matrix Sciences International Inc. 401(k) Plan | Matrix Sciences International in | Mt. Prospect | IL | DC | 337 |
| Mattoon Precision Mfg., Inc. PS 401(k) Plan | Mattoon Precision Manufacturing, Inc. | Mattoon | IL | DC | 168 |
| Maui Jim, Inc. 401(k) Retirement and Savings Plan and Trust | Maui Jim, Inc. | Peoria | IL | DC | 896 |
| Mayer Brown LLP U.S.A. Cash Balance Pension Plan | Mayer Brown LLP | Chicago | IL | DB | 297 |
| Mayer Brown LLP USA Savings Plan | Mayer Brown LLP | Chicago | IL | DC | 3,355 |
| Mazak Optonics Corporation 401(k) Plan | Mazak Optonics Corporation | Elgin | IL | DC | 204 |
| MBL (USA) Corporation 401(k) Savings Plan | MBL (USA) Corporation | Ottawa | IL | DC | 234 |
| McAndrews, Held & Malloy, Ltd. Profit Sharing Plan | McAndrews, Held & Malloy, Ltd. | Chicago | IL | DC | 186 |
| McCain Foods USA, Inc. Retirement Plan | McCain Foods USA, Inc. | Oakbrook Terrace | IL | DC | 6,871 |
| McCann Industries, Inc. Employees' Retirement Plan | McCann Industries, Inc. | Addison | IL | DC | 179 |
| McDonald's Corporation 401(k) Plan | McDonald's Corporation and Subsidiaries | Chicago | IL | DC | 32,254 |
| McDonnell Boehnen Hulbert & Berghoff 401(k) and Profit Sharing Plan | McDonnell Boehnen Hulbert & Berghoff LLP | Chicago | IL | DC | 162 |
| McGaw Medical Center Housestaff Member 401(k) Pre-Tax Savings Plan | McGaw Medical Center of Northwestern University | Chicago | IL | DC | 2,573 |
| McGrath Automotive Group 401(k) Plan | McGrath Enterprises, Inc. | Elgin | IL | DC | 759 |
| McGrath Lexus 401(k) Profit Sharing Plan and Trust | McGrath-Colosimo, Ltd. | Westmont | IL | DC | 216 |
| McHugh Enterprises, Inc. 401(k) Plan | McHugh Enterprises, Inc. | Chicago | IL | DC | 211 |
| McKendree University Retirement Plan | McKendree University | Lebanon | IL | DC | 722 |
| McLaughlin Body Company 401(k) Plan | McLaughlin Body Company | Moline | IL | DC | 447 |
| McLaughlin Body Company Hourly Employees' Pension Plan | McLaughlin Body Company | Moline | IL | DB | 455 |
| McMaster-Carr Supply Company Profit Sharing Trust | McMaster-Carr Supply Company | Elmhurst | IL | DC | 5,485 |
| McNelly Services, 401(k) Plan | McNelly Services, Inc. | Lake Zurich | IL | DC | 147 |
| M. Davis Management Co. Inc. 401(k) Plan | M. Davis Management Co. Inc. | Taylorville | IL | DC | 180 |
| MDBS Hourly 401(k) Plan | MDBS, Inc. Hourly | Aurora | IL | DC | 1,167 |
| MDBS Salaried 401(k) Plan | MDBS, Inc. Salaried | Aurora | IL | DC | 140 |
| MDC Interior Solutions, LLC Employees' 401(k) Savings Plan | MDC Interior Solutions, LLC | Glendale Heights | IL | DC | 286 |
| MD Restaurant Group 401(k) Plan | MD Restaurant Group Inc. | Schaumburg | IL | DC | 292 |
| Meadville Forging Company 401(k) Plan for Union Employees | Meadville Forging Company, L.P. | Northfield | IL | DC | 184 |
| Meadville Forging Company Profit Sharing Retirement and Savings | Meadville Forging Company, L.P. | Northfield | IL | DC | 202 |
| Mechanics Local No. 701 Defined Contribution 401(K | BD of Trustees Automobile Mechanics Local No 701 Defined Contribution | Burr Ridge | IL | DC | 4,321 |
| Mech-Tronics Employees' Profit Sharing and Retirement Plan | Mech-Tronics Limited Partnership | Melrose Park | IL | DC | 121 |
| Medcentrix, Inc. Smart Money Retirement Plan | Uchicago Medicine Network, Inc. | Harvey | IL | DC | 292 |
| Medcor, Inc. Profit Sharing Thrift & Investment Plan | Medcor, Inc. | McHenry | IL | DC | 3,114 |
| Medela LLC 401(k) Savings Plan | Medela LLC | McHenry | IL | DC | 618 |
| Medela LLC Employees Pension Plan | Medela LLC | McHenry | IL | DC | 550 |
| Medhq, LLC 401(k) Plan | Medhq, LLC | Westchester | IL | DC | 2,448 |
| Mediafly, Inc. 401(k) Savings Plan | Mediafly, Inc. | Chicago | IL | DC | 189 |
| Medical Management Professiona 401(k) Profit Sharing Plan & Trust | Medical Management Professiona | Northbrook | IL | DC | 587 |
| Medical Murray, Inc. 401(k) Retirement Plan | Medical Murray, Inc. | North Barrington | IL | DC | 251 |
| Medix Staffing Solutions, Inc. 401(k) Plan | Medix Staffing Solutions, Inc. | Oak Brook | IL | DC | 3,905 |
| Medline Industries, LP Retirement Plan | Medline Industries,lp | Northfield | IL | DC | 28,470 |
| Medspeed, LLC 401(k) Profit Sharing Plan & Trust | Medspeed, LLC | Elmhurst | IL | DC | 3,268 |
| Meier Clinics Retirement Savings Plan | Meier Clinics Foundation | Wheaton | IL | DC | 131 |
| Memorial Health System 403(b) Plan | Memorial Health System | Springfield | IL | DC | 1,742 |
| Memorial Health System Defined Contribution Retirement Savings Plan | Memorial Health System | Springfield | IL | DC | 10,666 |
| Memorial Hospital Employee's Pension Plan | Memorial Hospital Association | Carthage | IL | DC | 470 |
| Memorial Hospital Employee's Tax Deferred Annuity Plan | Memorial Hospital Association | Carthage | IL | DC | 484 |
| Mennie Machine Company 401(k) Plan | Mennie Machine Company | Granville | IL | DC | 135 |
| Mercy Health Corporation Employees Retirement Plan | Mercy Health Corporation | Rockford | IL | DC | 12,559 |
| Meridian Compensation Partners, LLC Profit Sharing and Savings Plan | Meridian Compensation Partners, LLC | Lake Forest | IL | DC | 124 |
| Meridian Group 401(k) Plan | Meridan Group International, Inc. | Deerfield | IL | DC | 418 |
| Merieux Nutrisciences & Subsidiaries Retirement Plan | Merieux Nutrisciences Corporation | Chicago | IL | DC | 1,839 |
| Mervis Industries, Inc. Profit Sharing & 401(k) Plan | Mervis Industries, Inc. | Danville | IL | DC | 359 |
| Mesirow Financial Savings Plan | Mesirow Financial Administrative Corporation | Chicago | IL | DC | 813 |
| Metal Companies 401(k) Plan | Payroll & Insurance Group Inc. | Northbrook | IL | DC | 1,211 |
| Metal Companies Multi-Employer Pension Plan | Payroll & Insurance Group, Inc. | Northbrook | IL | DB | 1,102 |
| Metal Engravers Union Local 34 Pension Plan | BD of Trustees Metal Engravers | Elmhurst | IL | DB | 118 |
| Metal Management Aerospace, Inc. Retirement Plan | Metal Management, Inc. | Chicago | IL | DB | 151 |
| Metal One America, Inc. and Nifast Corporation 401(k) Plan | Metal One America, Inc. | Rosemont | IL | DC | 186 |
| Metals Technology Corporation 401(k) Retirement Savings Plan | Metals Technology Corporation | Carol Stream | IL | DC | 131 |