| Peters Heating and Air Conditioning, Inc. Profit Sharing Plan | Peters Heating & Air Conditioning, Inc. | Quincy | IL | DC | 236 |
| Peter Troost Monument Company Employee 401(k) Plan | Peter Troost Monument Company | Hillside | IL | DC | 128 |
| Pete's Fresh Market 401(k) Plan | G. M. Warehouse Inc. | Chicago | IL | DC | 1,571 |
| Pfg-St. Louis, LLC 401(k) Plan | Pfg-St. Louis, LLC | Bedford Park | IL | DC | 148 |
| Phalanx Family Services 401(k) Profit Sharing Plan & Trust | Phalanx Family Services | Chicago | IL | DC | 142 |
| Pharmacann 401(k) Plan | Pharmacann Inc. | Chicago | IL | DC | 2,800 |
| PHC Corporation of North America 401(k) Plan | PHC Corporation of North America | Wood Dale | IL | DC | 127 |
| Phigenics Management, Inc. 401(k) Plan | Phigenics Management Inc. | Warrenville | IL | DC | 222 |
| Phillips' Companies 401(k) Plan | The Villas of Holly Brook Senior Living, LLC | Charleston | IL | DC | 379 |
| PHMG 401(k) Plan | PH Media (USA), Inc. | Chicago | IL | DC | 208 |
| Phoenix Closures, Inc. 401(k) Salary Deferral Profit Sharing Plan and Trust | Phoenix Closures, Inc. | Aurora | IL | DC | 215 |
| Phoenix Closures West 401(k) Plan | Phoenix Closures, Inc. | Aurora | IL | DC | 353 |
| Phusion Projects, LLC 401(k) Plan | Phusion Projects, LLC | Chicago | IL | DC | 185 |
| Piemonte Group 401(k) Plan | Al Piemonte Ford Sales Inc. | Melrose Park | IL | DC | 298 |
| Pierce Mortuary Colleges, Inc. 401(k) & PS Plan | Pierce Mortuary Colleges, Inc. | Broadview | IL | DC | 187 |
| Pillars Community Health - Non-Union Plan | Pillars Community Health | Countryside | IL | DC | 249 |
| Pinnacle Actuarial Resources, Inc. 401(k) Profit-Sharing Plan & Trust | Pinnacle Actuarial Resources, Inc. | Bloomington | IL | DC | 136 |
| Pinnacle Advertising 401(k) Plan | Ericjon World Wide Holdings, Inc. | Schaumburg | IL | DC | 226 |
| Pinnacle Fit Clubs, LLC Retirement Plan | Pinnacle Fit Clubs, LLC | Rosemont | IL | DC | 1,112 |
| Pinnacle Live LLC 401(k) Plan | Pinnacle Live LLC | Arlington Heights | IL | DC | 1,218 |
| Pioneer Center for Human Services 403(b) Plan | Pioneer Center for Human Services | McHenry | IL | DC | 257 |
| Pipe Fitters Association L.U. 597, U.A. 401(k) Pla | Trustees of Pipe Fitters Association Local 597 | Chicago | IL | DC | 11,439 |
| Pipe Fitters Retirement Fund, Local 597 | Trustees of Pipe Fitters Retirement Fund Local 597 | Chicago | IL | DB | 14,689 |
| Pipeliners' Retirement Plan | Mears Installation, LLC | Collinsville | IL | DC | 899 |
| Pivot Point 401(k) Plan | Pivot Point International, Inc. | Chicago | IL | DC | 133 |
| Pivotree USA Inc. | Pivotree USA Inc. | Chicago | IL | DC | 125 |
| Planet Equity Group, LLC 401(k) Plan | Planet Equity Group, LLC | Western Springs | IL | DC | 1,678 |
| Planmeca USA, Inc. and Planmed 401(k) Plan | Planmeca USA, Inc. | Hoffman Estates | IL | DC | 306 |
| Planned Parenthood of Illinois 401(k) Plan | Planned Parenthood of Illinois | Chicago | IL | DC | 381 |
| Plaspros, Inc. Profit SHARING/401(K) Plan | Plaspros Inc. | McHenry | IL | DC | 156 |
| PLS Financial Services, Inc. 401(k) Plan | PLS Financial Services, Inc. | Chicago | IL | DC | 1,875 |
| Plumbers and Fitters Local 101 Supplemental Pension Plan | Plumbers and Fitters Local 101 Supplemental Pension Plan | Belleville | IL | DC | 162 |
| Plumbers and Pipefitters Local 551 Pension Plan | Plumbers and Pipefitters Local 551 | West Frankfort | IL | DC | 212 |
| Plumbers and Pipefitters Local 553 Supplemental 401(k) Retirement Plan | Plumbers and Pipefitters Local 553 | East Alton | IL | DC | 468 |
| Plumbers and Pipefitters Local 99 401(k) Fund | Board of Trustees of Plumbers and Pipefitters Local 99 401(k) Fund | Moline | IL | DC | 418 |
| Plumbers and Pipefitters Local Union 172 Voluntary 401(k) Plan | Board of Trustees of Plumbers and Pipefitters Local Union 172 | Oak Brook | IL | DC | 478 |
| Plumbers and Pipefitters Local Union 553 Pension Plan | Trustees of the Plumbers and Pipefitters Local 553 | East Alton | IL | DB | 499 |
| Plumbers & Fitters Local 101 Restated Pension Plan | Board of Trustees of Plumbers & Fitters Local 101 Pension Plan | Belleville | IL | DB | 407 |
| Plumbers Local 360 Pension Plan | United Association of Plumbers Local 360 | Collinsville | IL | DB | 262 |
| Plumbers Local 360 Pension Plan Supplemental | Board of Trustees Plumbers Local 360 Pension Plan Supplemental | Collinsville | IL | DC | 172 |
| Plumbers' Pension Fund, Local 130, U.A. | Trustees of the Plumbers Pension Fund, Local 130, U.A. | Chicago | IL | DB | 9,502 |
| Plumbers & Pipefitters Local 160 Retirement Plan | Plumbers & Pipefitters Local 160 Retirement Plan | Murphysboro | IL | DC | 223 |
| Plumbers & Pipefitters Local 172 Pension Fund | Trustees of Plumbers & Pipefitters Local 172 Pension Fund | Oak Brook | IL | DB | 1,068 |
| Plumbers & Pipefitters Local #25 401(k) Plan | Plumbers & Pipefitters Local #25 | Moline | IL | DC | 1,742 |
| Plumbers & Pipefitters Local 653 Pension Fund | Trustees of the Plumbers and Pipefitters Local 653 Pension Fund | Centralia | IL | DB | 198 |
| Plumbers & Pipefitters Local No. 25 Pension Fund | Plumbers & Pipefitters L25 | Moline | IL | DB | 2,079 |
| Plumbers' Retirement Savings Fund, Local 130, U.A. | Board of Trustees for the Plumber's Retirement Savings Fund, Local 130 | Chicago | IL | DC | 6,239 |
| Plumbers & Steamfitters Local 137-353 Annuity Fund | Plumbers & Steamfitters Local 137-353 Annuity Fund Board of Trustees | Springfield | IL | DC | 1,053 |
| Plumbers & Steamfitters Local # 137 Pension Fund | Plumbers & Steamfitters Local 137 Pension Fund Board of Trustees | Springfield | IL | DB | 1,326 |
| Plumbing & Heating Wholesalers Retirement Income Plan for the Benefit of Shopmen's Division of Pipe Fitters' Association, Local 597 | Shopmens Division Local 597 Joint Board of Trustees | Chicago | IL | DB | 534 |
| Plumbing & Pipefitting Industry Retirement Plan of Kansas | Plumbing & Pipefitting Industry Retirement Plan of Kansas | Oak Brook | IL | DC | 1,816 |
| Plymouth Place, Inc. 403(b) Plan | Plymouth Place, Inc. | La Grange Park | IL | DC | 424 |
| Plymouth Tube Company Defined Benefit Plan | Plymouth Tube Company | Warrenville | IL | DB | 523 |
| PLZ Corp. 401(k) Profit Sharing Plan | PLZ Corp. | Downers Grove | IL | DC | 1,533 |
| Pma Financial Network, LLC 401(k) Plan | Pma Financial Network, LLC | Naperville | IL | DC | 220 |
| Pmi 401(k) Plan and Trust | Professional Meters, Inc. | Morris | IL | DC | 140 |
| PNC, Inc. 401(k) Retirement Plan | PNC, Inc. | Polo | IL | DC | 124 |
| Polynt Composites USA Inc. 401(k) Plan | Polynt Composites USA Inc. | Carpentersville | IL | DC | 891 |
| Pontiac Bancorp 401(k) Savings Plan | Pontiac Bancorp, Inc. | Pontiac | IL | DC | 170 |
| Pontiac Bancorp, Inc. Pension Plan | Pontiac Bancorp, Inc. | Pontiac | IL | DB | 154 |
| Pork King Packing, Inc. 401(k) Plan | Pork King Packing, Inc. | Marengo | IL | DC | 240 |
| Porte Brown LLC 401(k) Profit Sharing Plan | Porte Brown LLC | Elk Grove Village | IL | DC | 155 |
| Porter Pipe & Supply Co. 401(k) Plan | Porter Pipe & Supply Co. | Addison | IL | DC | 363 |
| Porter Supply Co. Profit Sharing Plan | Porter Pipe & Supply Co. Fka Porter Supply Company | Addison | IL | DC | 244 |
| Portillo's Hot Dogs, LLC 401(k) Plan | Portillo's Hot Dogs, LLC | Oak Brook | IL | DC | 9,757 |
| Potbelly Sandwich Works 401(k) Plan | Potbelly Sandwich Works, LLC | Chicago | IL | DC | 5,426 |
| Potomac Corporation Profit Sharing and 401(k) Plan | Potomac Corporation | Wheeling | IL | DC | 170 |
| Power 401(k) Retirement Plan and Trust | Power Construction Company, LLC | Chicago | IL | DC | 580 |
| Power Wellness Management, LLC 401(k) Plan | Power Wellness Management, LLC | Lombard | IL | DC | 862 |
| PPC Flexible Packaging, LLC 401(k) Profit Sharing Plan | PPC Flexible Packaging, LLC | Buffalo Grove | IL | DC | 1,258 |
| Pra Events, Inc. 401(k) Plan | Pra Events, Inc. | Chicago | IL | DC | 324 |
| Prairie Farms Dairy 401(k) Plan | Prairie Farms Dairy, Inc. | Edwardsville | IL | DC | 4,101 |
| Prairie Farms Dairy 401(k) Plan | Prairie Farms Dairy, Inc. | Edwardsville | IL | DC | 4,101 |
| Prairie Farms Dairy Thrift Incentive Plan | Prairie Farms Dairy, Inc. | Edwardsville | IL | DC | 7,733 |
| Prairie State Generating Company, LLC 401(k) Plan | Prairie State Generating Company, LLC | Marissa | IL | DC | 749 |
| Prairie State Legal Services Inc. 403(b) Retirement Plan | Prairie State Legal Services Inc. | Rockford | IL | DC | 270 |
| Precision Dose, Inc. Employee Savings and Retirement Plan | Precision Dose, Inc. | South Beloit | IL | DC | 126 |
| Precision Plating Company, Inc. Employees' Retirement Plan | Precision Plating Company Inc. | Chicago | IL | DC | 134 |
| Precision Practice Management, Inc. 401(k) Plan | Precision Practice Management, Inc. | Belleville | IL | DC | 232 |
| Pregis LLC Retirement and Savings Plan | Pregis LLC | Chicago | IL | DC | 3,541 |
| Premier Cooperative Employee Savings and Retirement Plan | Premier Cooperative, Inc. | Champaign | IL | DC | 158 |
| Premier Design & Build Group, LLC Employee Stock Ownership Plan | Premier Design & Build Group, LLC | Buffalo Grove | IL | DC | 117 |
| Premier Early Childhood Education Partners LLC 401(k) Plan | Premier Early Childhood Education Partners LLC | Chicago | IL | DC | 2,919 |
| Premier Health Consultants, LLC Retirement Savings Plan | Premier Health Consultants, LLC | Chicago | IL | DC | 611 |
| Premier Staffing Company, Inc. Retirement Savings Plan | Premier Staffing Company, Inc. | Lincolnshire | IL | DC | 179 |
| Premistar 401(k) Plan | Thermostat Intermediate Holdings, LLC | Deerfield | IL | DC | 1,935 |
| Prescient Development, Inc. 401(k) Plan | Prescient Development, Inc. | Schaumburg | IL | DC | 128 |
| Presence Marketing, LLC Retirement Plan | Presence Marketing, LLC | South Barrington | IL | DC | 1,083 |
| Preston Industries, Inc. 401(k) Plan | Preston Industries, Inc. | Niles | IL | DC | 177 |
| Primecare Community Health, Inc. Employees Retirement Plan | Primecare Community Health, Inc. | Chicago | IL | DC | 293 |
| Primera Engineers 401(k) Plan | Primera Engineers, Ltd. | Chicago | IL | DC | 441 |
| Primera Engineers ESOP Plan | Primera Engineers, Ltd. | Chicago | IL | DC | 404 |
| Primient Grain Retirement Savings Plan | Primary Products Grain, LLC | Decatur | IL | DC | 151 |
| Primient Hourly Comprehensive Retirement Plan | Primary Products Ingredients Americas, LLC | Decatur | IL | DC | 459 |
| Primient Salaried Comprehensive Retirement Plan | Primary Products Ingredients Americas, LLC | Decatur | IL | DC | 1,302 |
| Prince Industries, Inc. 401(k) Profit Sharing Plan | Prince Industries LLC | Carol Stream | IL | DC | 401 |
| Principal Manufacturing Corp. 401(k) Profit Sharing Plan | Principal Manufacturing | Broadview | IL | DC | 256 |
| Prinova US LLC 401(k) Retirement Plan | Prinova US LLC | Carol Stream | IL | DC | 1,022 |
| Probat Inc. 401(k) Retirement Plan | Probat Inc. | Lincolnshire | IL | DC | 150 |
| Prodehl Management Group Inc. 401(k) Plan | Prodehl Management Group Inc. | Shorewood | IL | DC | 185 |
| Pro Equine Group, Inc. 401(k) Plan | Lewa, Inc. | Glenview | IL | DC | 444 |
| Profile Products LLC Employees' Savings & Retirement Plan | Profile Products LLC | Buffalo Grove | IL | DC | 674 |
| Profit Sharing 401(k) Plan for Employees of Continental Web Press, Inc. | Continental Web Press, Inc. | Itasca | IL | DC | 119 |
| Profit Sharing Plan for Employees of the Cary Company | The Cary Company | Addison | IL | DC | 315 |
| Progress Rail Locomotive Inc. Pension Plan for Hourly-Rate Legacy Employees | Progress Rail Locomotive Inc. | La Grange | IL | DB | 144 |
| PROJECT44, Inc. 401(k) Plan | PROJECT44, Inc. | Chicago | IL | DC | 412 |
| Project Management Advisors, Inc. 401(k) Plan and Trust | Project Management Advisors, Inc. | Chicago | IL | DC | 259 |
| Project Now, Inc. 401(k) Savings/ Retirement Plan | Project Now, Inc. | Rock Island | IL | DC | 131 |
| Pronto 401(k) Plan | Pronto Finance, Inc. | Schaumburg | IL | DC | 127 |
| Proven Business Systems 401(k) Plan | Proven Business Systems, LLC | Tinley Park | IL | DC | 333 |
| Proven Partners Manufacturing Retirement Savings Plan | Proven Partners Manufacturing | Elgin | IL | DC | 119 |
| Provi 401(k) Plan | Tiz, Inc. | Chicago | IL | DC | 282 |
| Providence Bank Retirement Plan | Providence Bank & Trust | South Holland | IL | DC | 208 |
| Providence Management Company, LLC Retirement Plan | Providence Management Company, LLC | Wilmette | IL | DC | 121 |
| Provisur Employees Retirement Savings Plan | Provisur Technologies, Inc. | Mokena | IL | DC | 471 |
| Psi 401(k) Plan | Power Solutions International, Inc. | Wood Dale | IL | DC | 985 |
| PTS Employee's 401(k) Plan | Professional Therapy Services, Inc. | Belleville | IL | DC | 389 |
| Publications International, Ltd. Savings Plan | Publications International, Ltd. | Morton Grove | IL | DC | 159 |
| Publicis Benefits Connection 401(k) Plan | MMS USA Holdings, Inc. | Chicago | IL | DC | 53,568 |
| Pure's Food Specialties 401(k) Plan | Pure's Food Specialties, LLC | Broadview | IL | DC | 1,015 |
| Purposebuilt Brands 401(k) Plan | Panamera Acquisition Holdings, Inc. d/b/a Purposebuilt Brands, Inc. | Gurnee | IL | DC | 583 |
| Purshe Kaplan Sterling 401(k) Profit Sharing Plan | Binah Management Services | Schaumberg | IL | DC | 147 |
| Puttshack USA Inc. 401(k) Plan | Puttshack USA Inc. | Chicago | IL | DC | 1,486 |
| PWC Planning for Tomorrow 403(b) Fund | Pilsen Little Village Community Mental Health Center, Inc. | Chicago | IL | DC | 703 |
| QCC, LLC Profit Sharing Plan | QCC, LLC | Harwood Heights | IL | DC | 225 |
| Q Center 401(k) Plan | Q Center LLC | Saint Charles | IL | DC | 252 |
| Q-Centrix LLC 401(k) Profit Sharing Plan and Trust | Q-Centrix LLC | Chicago | IL | DC | 1,413 |
| QCR Holdings, Inc. 401(k) Plan | QCR Holdings, Inc. | Moline | IL | DC | 1,208 |
| QC Senior Care, Inc. 401(k) Plan | QC Senior Care, Inc. | Moline | IL | DC | 146 |
| QRM 401(k) Retirement Savings Plan | Quantitative Risk Management, Inc. | Chicago | IL | DC | 225 |
| Quad Plus LLC Profit Sharing Plan | Quad Plus LLC | New Lenox | IL | DC | 312 |
| Qualitas Manufacturing, Inc. 401(k) Plan | Qualitas Manufacturing, Inc. | Itasca | IL | DC | 143 |
| Quantix SCS 401(k) Plan | Quantix SCS, LLC | Morris | IL | DC | 3,374 |
| Quantum Color Graphics, L.L.C. 401(k) PS Plan | Quantum Color Graphics | Morton Grove | IL | DC | 270 |
| Quest Management 401(k) Plan | Quest Food Management Services | Lombard | IL | DC | 1,681 |
| Quincy Farm Supply Co. Retirement Savings Plan | Quincy Farm Supply Co. | Quincy | IL | DC | 406 |
| Quincy Recycle Paper Inc. Employees Savings Trust | Quincy Recycle Paper Inc. | Quincy | IL | DC | 329 |
| Quincy University DC Retirement Plan | Quincy University Corporation | Quincy | IL | DC | 477 |
| Rack Builders, Inc. 401(k) Retirement Plan | Rack Builders, Inc. | Quincy | IL | DC | 217 |
| Radiac Abrasives, Inc. 401(k) Retirement Savings Plan | Radiac Abrasives, Inc. | Oswego | IL | DC | 630 |
| Radio Flyer 401(k) Plan | The Radio Flyer Company | Chicago | IL | DC | 140 |
| Radiological Society of North America Defined Contribution Retirement Plan | Radiological Society of North America | Oak Brook | IL | DC | 589 |
| Radiological Society of North America Tax-Deferred Annuity (Tda) Plan | Radiological Society of North America | Oak Brook | IL | DC | 177 |
| Radix Trading 401(k) Plan | Radix Trading LLC | Chicago | IL | DC | 198 |
| Raise Marketplace, LLC 401 (K) Plan | Raise Marketplace, LLC | Chicago | IL | DC | 117 |
| Ralcorp Holdings, Inc. Retirement Plan | Treehouse Foods, Inc. | Oak Brook | IL | DB | 1,654 |
| Rana USA, Inc. 401(k) Profit Sharing Plan & Trust | Rana USA, Inc. | Bartlett | IL | DC | 510 |
| Rate Holdings Corp. Multiple Employer 401(k) Plan | Rate Holdings Corp. | Chicago | IL | DC | 8,795 |
| Rathje Companies 401(k) Plan | Rathje Enterprises, Inc. | Decatur | IL | DC | 903 |
| Rational Cooking Systems, Inc. 401(k) Plan | Rational Cooking Systems, Inc. | Rolling Meadows | IL | DC | 221 |
| Rauland-Borg Corporation Profit Sharing & Retirement Savings Plan | Rauland-Borg Corporation | Mount Prospect | IL | DC | 365 |
| Ray Graham Assoc. for People With Disabilities 403(b) Plan | Ray Graham Association for People With Disabilities | Lisle | IL | DC | 271 |
| Raynor Door Authorities 401(k) Retirement Savings Plan | Raynor Manufacturing Company | Dixon | IL | DC | 165 |
| Raynor Garage Door 401(k) Retirement Savings Plan | Raynor Manfuacturing Company | Dixon | IL | DC | 707 |
| Ray & Raymond Auto Group 401(k) Plan | Raymond Chevrolet, Inc. | Antioch | IL | DC | 292 |
| RB Global Retirement Plan | RB Global Holdings, Inc. | Westchester | IL | DC | 6,311 |
| Rce, International 401(k) Plan | Rce, International | Wheaton | IL | DC | 271 |
| Rcha Group 401(k) Plan | Rochelle Community Hospital Association | Rochelle | IL | DC | 390 |
| RCM Industries, Inc. 401(k) and Profit Sharing Plan | RCM Industries, Inc. | Franklin Park | IL | DC | 606 |
| Readerlink Distribution Services, LLC Retirement Savings Plan | Readerlink Distribution Services, LLC | Oak Brook | IL | DC | 1,926 |
| Realty Management and Advisors Employee Retirement | Pacific Management, Inc. | River Forest | IL | DC | 222 |
| Recsolu, Inc. 401(k) P/s Plan | Recsolu, Inc. DBA Yello | Chicago | IL | DC | 232 |
| Red Bud Industries, Inc. Profit Sharing Plan | Red Bud Industries, Inc. | Red Bud | IL | DC | 237 |
| Redmane Technology, LLC Retirement Savings Plan | Redmane Technology, LLC | Chicago | IL | DC | 348 |
| Redshelf, Inc. 401(k) Plan | Redshelf, Inc. | Chicago | IL | DC | 114 |
| Redwood Logistics, LLC 401(k) Plan | Redwood Logistics, LLC | Chicago | IL | DC | 802 |
| Refreshment Services, Inc. 401(k) Plan | Refreshment Services, Inc. | Springfield | IL | DC | 541 |
| Regal Cutting Tools, Inc. Retirement Savings Plan | Regal Cutting Tools, Inc. | Roscoe | IL | DC | 127 |
| Regis Technologies, Inc. Retirement Savings Plan | Regis Technologies, Inc. | Morton Grove | IL | DC | 124 |
| Rehabilitation Institute of Chicago d/b/a Shirley Ryan Abilitylab 401(k) Retirement Savings Plan | Rehabilitation Institute of Chicago DBA Shirley Ryan Abilitylab | Chicago | IL | DC | 2,850 |
| Rehabilitation Institute of Chicago d/b/a Shirley Ryan Abilitylab 403(b) Retirement Plan | Rehabilitation Institute of Chicago DBA Shirley Ryan Abilitylab | Chicago | IL | DC | 498 |
| Relativity 401(k) Plan | Relativity Oda LLC | Chicago | IL | DC | 1,396 |
| Reliance Relocation Services Inc. 401(k) Plan | Reliance Relocation Services Inc. | Chicago | IL | DC | 127 |
| Remedy 401(k) Plan | Remedy Medical Properties, Inc. | Chicago | IL | DC | 328 |
| Remodelers Supply Center 401(k) Plan | Logan Square Aluminum Supply, Inc. | Chicago | IL | DC | 541 |
| Remprex, LLC Retirement Savings Plan | Remprex, LLC | Lisle | IL | DC | 674 |
| Renaissance Group 401(k) Plan | Rig, LLC DBA Renaissance Insurance Group | Chicago | IL | DC | 145 |
| Renishaw, Inc. Employee Salary Savings Plan | Renishaw, Inc. | West Dundee | IL | DC | 256 |
| Rensa Filtration Retirement Savings Plan | Rensa Filtration Inc. | Aurora | IL | DC | 558 |
| Republic - Odyssey 401(k) Plan | Odyssey Holdings Ltd. | Oak Brook | IL | DC | 632 |
| Rescar Companies Profit Sharing and 401(k) Plan and Trust | Rescar Companies | Downers Grove | IL | DC | 712 |
| Research Products International Corp. Employees Profit Sharing TRUST/401(K) Plan | Research Products International Corporation | Mount Prospect | IL | DC | 113 |
| Resolute Industrial, LLC 401(k) Plan | Resolute Industrial, LLC | Wheeling | IL | DC | 459 |
| Resource Bank Profit Sharing Plan and Trust | Resource Bank, N.A. | Dekalb | IL | DC | 154 |
| Resource Innovations, Inc. 401(k) Retirement Savings Plan | Resource Innovations, Inc. | Chicago | IL | DC | 1,235 |
| Rest Haven Christian Services Care Plan | Rest Haven Illiana Christian Convalescent Home | Tinley Park | IL | DC | 1,017 |
| Ret Inc. Plan for Ees of the Knapheide MFG Co. Local 822 | The Knapheide Manufacturing Company | Quincy | IL | DB | 882 |
| Retirement Income Plan for Bargaining Unit Employees of Datex-Ohmeda, Inc. | Datex-Ohmeda, Inc. | Chicago | IL | DB | 402 |
| Retirement Income Plan for Employees of International Association of Lions Clubs | The International Association of Lions Clubs | Oak Brook | IL | DB | 372 |
| Retirement Plan for Employees of American Property Casualty Insurance Association | Property Casualty Insurers Association of America | Chicago | IL | DC | 223 |
| Retirement Plan for Employees of Blessing Hospital | Blessing Corporate Services | Quincy | IL | DB | 1,352 |
| Retirement Plan for Employees of Evraz Stratcor Inc. | Evraz Inc. N.A. | Chicago | IL | DB | 318 |
| Retirement Plan for Employees of Fermi Research Alliance, LLC | Fermi Research Alliance, LLC | Batavia | IL | DC | 4,090 |
| Retirement Plan for Employees of Illinois Mutual Life Insurance Company | Illinois Mutual Life Insurance Co. | Peoria | IL | DB | 217 |
| Retirement Plan for Employees of International Brotherhood of Electrical Workers Local 134 | IBEW Local Union No. 134 | Chicago | IL | DB | 107 |
| Retirement Plan for Employees of Muscular Dystrophy Association, Inc. | Muscular Dystrophy Association, Inc. | Chicago | IL | DB | 873 |
| Retirement Plan for Employees of Rehabilitation Institute of Chicago | Rehabilitation Institute of Chicago DBA Shirley Ryan Abilitylab | Chicago | IL | DB | 1,682 |
| Retirement Plan for Employees of Transdev North America Phoenix | Transdev North America, Inc. | Lombard | IL | DB | 590 |
| Retirement Plan for Great Dane LLC | Great Dane LLC | Chicago | IL | DB | 6,290 |
| Retirement Plan for Puerto Rico Employees of Kraft Foods Group, Inc. | Kraft Heinz Foods Company | Chicago | IL | DB | 320 |
| Retirement Plan of Transcontinental US LLC | Transcontinental US LLC | Chicago | IL | DB | 1,495 |
| Retirement Savings 403(b) Plan for Employees of Presbyterian Homes | Presbyterian Homes | Skokie | IL | DC | 1,590 |
| Ret. Program for Ees of Viskase Companies, Inc. | Viskase Companies, Inc. | Lombard | IL | DB | 1,091 |
| Returns R US 401(k) Profit Sharing Plan | Returns R US | Libertyville | IL | DC | 200 |
| Revcor, Inc. Profit Sharing 401(k) Plan & Trust | Revcor, Inc. | Carpentersville | IL | DC | 347 |
| Reveal Data Corporation 401(k) Retirement Plan | Reveal Data Corporation | Chicago | IL | DC | 498 |
| Revenue Well Systems 401(k) Plan | Revenue Well Systems, LLC | Schaumburg | IL | DC | 256 |
| Revere Electric Supply Co. Incentive Savings Plan | Revere Electric Supply Co. | Mokena | IL | DC | 467 |
| Revolution Marketing, LLC 401(k) Plan | Revolution Marketing, LLC | Chicago | IL | DC | 174 |
| Rev Up Brands 401(k) Plan | Rev Up Brands, LLC | Niles | IL | DC | 141 |
| Rewards Network 401(k) Plan | Rewards Network Establishment Serivces Inc. | Chicago | IL | DC | 539 |
| Reyes Holdings Retirement Plan | Reyes Holdings, L.L.C. | Rosemont | IL | DC | 28,836 |
| Rfmbg Lincolnshire LLC 401(k) Plan | Rfmbg Lincolnshire LLC | MT Prospect | IL | DC | 249 |
| RHM LLC 401(k) Profit Sharing Plan & Trust | RHM LLC | Oak Brook | IL | DC | 1,814 |
| RHR International LLP Savings and Retirement Plan | RHR International LLP | Chicago | IL | DC | 188 |
| Richard McNay, Inc. 401(k) Profit Sharing Plan | Richard McNay, Inc. | Quincy | IL | DC | 182 |
| Richards Building Supply Co. Profit Sharing Plan | Richards Building Supply Co. | Homer Glen | IL | DC | 714 |
| Richardson Electronics, Ltd. Employees Profit Sharing Plan and Trust Agreement | Richardson Electronics, Ltd. | Lafox | IL | DC | 423 |
| Richardson Manufacturing Company 401(k) Plan | Richardson Manufacturing Company | Springfield | IL | DC | 179 |
| Richardson Manufacturing Company Benefit Plan | Richardson Manufacturing Company Benefit | Springfield | IL | DC | 204 |
| Richard Wolf Medical Instruments Corp. Profit Sharing Plan and Trust | Richard Wolf Medical Instruments | Vernon Hills | IL | DC | 263 |
| Richelieu Foods, Inc. Retirement Savings Plan | Richelieu Foods, Inc. | Wheeling | IL | DC | 789 |
| Rich Land Bancorp, Inc. ESOP With 401(k) Provisions | Rich Land Bancorp, Inc. | Olney | IL | DC | 108 |
| Ricondo & Associates 401(k) Plan | Ricondo & Associates, Inc. | Chicago | IL | DC | 236 |
| Ricondo & Associates, Inc. Employee Stock Ownership Plan | Ricondo & Associates, Inc. | Chicago | IL | DC | 186 |
| Right at School 401(k) Plan | Right at School LLC | Evanston | IL | DC | 2,985 |
| Riley Safer Holmes & Cancila Retirement Plan | Riley Safer Holmes & Cancila LLP | Chicago | IL | DC | 169 |
| Rim Logistics, Ltd. 401(k) Plan | Rim Logistics, Ltd. | Bartlett | IL | DC | 351 |
| Rising Medical Solutions, Inc. 401(k) Plan | Rising Holdings, Inc.,dba Rising Medical Solutions | Chicago | IL | DC | 255 |
| Riverbend Head Start & Family Services, Inc. Retirement and Savings Plan | Riverbend Head Start & Family Services, Inc. | Alton | IL | DC | 187 |
| Riverbend Industries Inc. Employees 401(k) Retirement Plan | Riverbend Industries Inc. | Chicago | IL | DC | 864 |
| River City Construction, L.L.C. 401(k) Profit Sharing Plan | River City Construction, L.L.C. | East Peoria | IL | DC | 121 |
| Riverside Healthcare 401(a) Savings Plan | Riverside Healthcare | Kankakee | IL | DC | 3,610 |
| Riverside Healthcare 403(b) Retirement Plan | Riverside Healthcare | Kankakee | IL | DC | 5,665 |
| Riverside Retirement Savings Plan | Riverside Assessments, LLC | Itasca | IL | DC | 478 |
| Rizza Dealer Group Salary Savings Plan | Joe Rizza Dealer Group | Orland Park | IL | DC | 342 |
| RJN Group, Inc. 401(k) Plan | RJN Group, Inc. | Downers Grove | IL | DC | 229 |
| RJN Group, Inc. Employee Stock Ownership Plan | RJN Group, Inc. | Downers Grove | IL | DC | 175 |
| R J. O'Brien & Associates, LLC Profit Sharing and Savings Plan | R J. O'Brien & Associates, LLC. | Chicago | IL | DC | 471 |
| RJW Logistics Group, Inc. 401(k) | RJW Logistics Group, Inc. | Woodridge | IL | DC | 1,782 |
| RL Canning Inc. 401(k) Plan | RL Canning Inc. | Chicago | IL | DC | 291 |
| Rldatix 401(k) Plan | Datix USA Inc. | Chicago | IL | DC | 1,039 |
| Rli Corp. 401(k) Plan | Rli Corp. | Peoria | IL | DC | 1,450 |
| Rli Corp. Employee Stock Ownership Plan | Rli Corp. | Peoria | IL | DC | 1,429 |
| Rli Services LLC 401(k) Plan | Rli Services, LLC | Chicago | IL | DC | 993 |
| RMB Capital Management, LLC Savings Plan | RMB Capital Management, LLC | Chicago | IL | DC | 220 |
| R.M. Chin & Associates, Inc. Profit Sharing/ 401(k) Plan | R.M. Chin & Associates, Inc. | Chicago | IL | DC | 154 |
| R&M Freight, Inc. 401(k) Plan | R&M Freight Inc. | Bensenville | IL | DC | 419 |
| RMK Management 401(k) Plan | RMK Management | Chicago | IL | DC | 252 |
| RML Health Providers Employees 401(k) Savings Plan | RML Health Providers, LP | Hinsdale | IL | DC | 897 |
| RMS Lifeline Inc. 401(k) Profit Sharing Plan & Trust | RMS Lifeline Inc. | Deerfield | IL | DC | 499 |
| Road Ranger, LLC 401(k) Plan | Road Ranger, LLC | Schaumburg | IL | DC | 975 |
| Roadrunner Transportation Systems, Inc. 401(k) Plan | Roadrunner Transportation Services, Inc. | Downers Grove | IL | DC | 1,507 |
| Roadsafe Traffic Systems, Inc. 401(k) Plan | Roadsafe Traffic Systems | Romeoville | IL | DC | 2,546 |
| Roanoke Concrete Products Co. Profit Sharing Plan | Roanoke Concrete Products Co. | East Peoria | IL | DC | 154 |
| Robert Bosch Fuel Systems LLC Burlingame Hourly Employees' 401(k) Plan | Robert Bosch Fuel Systems LLC | Broadview | IL | DC | 140 |
| Robert R. McCormick Foundations 403(b) Plan | Robert R McCormick Foundation | Chicago | IL | DC | 209 |
| Robert R. McCormick Foundations Defined Contribution Plan | Robert R. McCormick Foundation | Chicago | IL | DC | 145 |
| Robertshaw Controls Company 401(k) Plan | Robertshaw Controls Company | Itasca | IL | DC | 283 |
| Robinson Engineering, Ltd. Cash Balance Plan | Robinson Engineering, Ltd. | Frankfort | IL | DB | 124 |
| Rockford Area Dairy Industry Local 754 Ib of T Retirement Pension Plan | Rockford Area Dairy Industry Local 754 Ib of T Retirement Pension Plan | Elmhurst | IL | DB | 749 |
| Rockford Health System Retirement Plan | Mercy Health Corporation | Rockford | IL | DC | 1,770 |
| Rockford Pipe Trades Industry 401(k) Plan | BD of Trustees of the Rockford Pipe Trades Industry 401(k) Plan | Rockford | IL | DC | 738 |
| Rockford Pipe Trades Industry Pension Fund | Board of Trustees of the Rockford Pipe Trades Industry Pension Fund | Rockford | IL | DB | 1,029 |
| Rockford Toolcraft, Inc. Retirement Plan | Rockford Toolcraft, Inc. | Rockford | IL | DC | 374 |
| Rockford University Retirement Savings Plan | Rockford University | Rockford | IL | DC | 466 |
| Rock Valley Physical Therapy Center 401(k) Profit Sharing Plan | Rock Valley Physical Therapy Center | Moline | IL | DC | 468 |
| Roevolution 226 Profit Sharing & 401(k) Plan | Roevolution 226, LLC | Bannockburn | IL | DC | 193 |
| Rogers Enterprises Incentive Savings Plan (Reisp) | Rogers Enterprises, Inc. | Matteson | IL | DC | 423 |
| Rohlig USA, LLC 401(k) Plan | Rohlig USA, LLC | Mount Prospect | IL | DC | 361 |
| Roland Machinery Company Employee Benefit Plan and Trust | Roland Machinery Company | Springfield | IL | DC | 470 |
| Rollex Corporation Hourly 401(k) Plan | Rollex Corporation | Elk Grove Village | IL | DC | 188 |
| Roman, Inc. Profit Sharing and 401(k) Plan | Roman, Inc. | Bloomingdale | IL | DC | 127 |
| Roofers Local No. 88 Pension Fund | Roofers Local No. 88 Pension Fund Board of Trustees | Oak Brook | IL | DB | 479 |
| Roofers Pension Fund | Board of Trustees of Roofers Pension Fund | Oak Brook | IL | DB | 4,198 |
| Roosevelt University 401(a) University Retirement Plan for Faculty and Administrators | Roosevelt University | Chicago | IL | DC | 925 |
| Roosevelt University 403(b) Retirement Plan | Roosevelt University | Chicago | IL | DC | 1,005 |
| Rosalind Franklin University of Medicine and Science 403(b) Plan | Rosalind Franklin University of Medicine and Science | North Chicago | IL | DC | 2,180 |
| Rosalind Franklin University of Medicine and Science Qualified Money Purchase Pension Plan and Trust | Rosalind Franklin University of Medicine and Science | North Chicago | IL | DC | 1,189 |
| Rosebud Restaurants, Inc. 401(k) Plan | Rosebud Restaurants, Inc. | Chicago | IL | DC | 1,252 |
| Rosecrance 401(k) Savings Plan | Rosecrance Health Network | Rockford | IL | DC | 1,029 |
| Rose Exterminator Company, Inc. 401(k) Plan | Rose Exterminator Company, Inc. | Northfield | IL | DC | 233 |
| Roseland Community Hospital Employees' Pension Plan | Roseland Community Hospital | Chicago | IL | DC | 109 |
| Roseland Community Hospital Tax Deferred Annuity Plan | Roseland Community Hospital | Chicago | IL | DC | 536 |
| Rosen Hyundai Enterprises, LLC 401(k) Plan | Rosen Hyundai Enterprises, LLC | Algonquin | IL | DC | 162 |
| Rose Paving, LLC Employee's 401(k) Profit Sharing Plan | Rose Paving, LLC | Bridgeview | IL | DC | 590 |
| Rotary International 401(k) Plan | Rotary International | Evanston | IL | DC | 873 |
| Round Ground Metals, Inc. 401(k) Plan & Trust | Round Ground Metals, Inc. | Hanover Park | IL | DC | 148 |
| Roxul USA Retirement and Savings Plan | Roxul USA, Inc. | Chicago | IL | DC | 1,038 |
| Royal Management Corporation Lexington Retirement Savings Plan | Royal Management Corporation | Lombard | IL | DC | 310 |
| Royal Neighbors of America 401(k) Retirement Plan | Royal Neighbors of America | Rock Island | IL | DC | 213 |
| Royal Neighbors of America Merged Retirement Plan | Royal Neighbors of America | Rock Island | IL | DB | 310 |
| Royal Publishing, Inc. 401(k) Plan | Royal Publishing, Inc. | Peoria | IL | DC | 122 |
| R.P. Lumber & Plummer Companies 401(k) Plan | R.P. Lumber Co., Inc. | Edwardsville | IL | DC | 1,126 |
| RR Donnelley Savings Plan | R. R. Donnelley & Sons Company | Chicago | IL | DC | 19,519 |
| RTC Retirement Plan | RTC Industries, Inc. | Rolling Meadows | IL | DC | 463 |
| RTC Retirement Plan for Union Associates | RTC Industries, Inc. | Rolling Meadows | IL | DC | 165 |
| RTM & Associates, Inc. Profit SHARING/401(K) Plan | RTM & Associates, Inc. | Schaumburg | IL | DC | 577 |
| RTM Engineering Consultants, LLC Profit SHARING/401(K) Plan | RTM Engineering Consultants, LLC | Schaumburg | IL | DC | 614 |
| Rucker's Wholesale and Service Company 401(k) Profit Sharing Plan | Ruckers Wholesale & Service Company | Bridgeport | IL | DC | 160 |
| Rukel Management, LLC 401(k) Profit Sharing Plan | Rukel Management, LLC | St. Charles | IL | DC | 517 |
| Runde Chevrolet, Inc. 401(k) Plan | Runde Chevrolet, Inc. | East Dubuque | IL | DC | 127 |
| Ruprecht | Ruprecht | Mundelein | IL | DC | 470 |
| Rural Health, Inc. 403(b) Retirement Plan | Rural Health, Inc. | Anna | IL | DC | 134 |
| Rural King 401(k) Plan | R. K. Administrative Services, LLC | Mattoon | IL | DC | 8,557 |
| Ruscorr, LLC 401(k) Retirement Plan | Ruscorr, LLC | Bedford Park | IL | DC | 226 |
| Rush-Copley Medical Center 403(b) Plan | Rush-Copley Medical Center | Aurora | IL | DC | 246 |
| Rush Copley Medical Center Employees' Savings Plan | Rush Copley Medical Center | Aurora | IL | DC | 3,426 |
| Rush Retirement Plan | Rush University Medical Center | Chicago | IL | DB | 15,527 |
| Rush University Medical Center 403(b) Retirement Savings Plan | Rush University Medical Center | Chicago | IL | DC | 20,702 |
| Russo Hardware Inc. 401(k) Plan | Russo Hardware Inc. | Schiller Park | IL | DC | 231 |
| R.W. Troxell & Company 401(k) Profit Sharing Plan | R.W. Troxell & Company | Springfield | IL | DC | 127 |
| Ryan Specialty 401(k) Savings Plan | Ryan Specialty, LLC | Chicago | IL | DC | 5,676 |
| Ryerson Combined Retirement Plan | Joseph T. Ryerson & Son, Inc. | Chicago | IL | DC | 433 |
| Ryerson Pension Plan | Joseph T. Ryerson & Son, Inc. | Chicago | IL | DB | 1,966 |
| Ryerson Savings Plan | Joseph T. Ryerson & Son, Inc. | Chicago | IL | DC | 3,704 |
| Sac Wireless, LLC 401(k) Profit Sharing Plan | Sac Wireless, LLC | Hoffman Estates | IL | DC | 799 |
| Safco Dental Supply LLC 401(k) Plan | Safco Dental Supply LLC | Buffalo Grove | IL | DC | 122 |
| Safe-Harbor 401(k) Profit Sharing Plan for Employees of Counseling and Family Services, Inc. | Counseling and Family Services | Peoria | IL | DC | 104 |
| Safe-Harbor 401(k) Profit Sharing Plan for Employees of the Chicago Community Trust | The Chicago Community Trust | Chicago | IL | DC | 219 |
| Safer Foundation 403(b) Savings Plan | Safer Foundation | Chicago | IL | DC | 302 |
| Safeway Insurance Group Profit Sharing and 401(k) Plan | Safeway Insurance Company | Westmont | IL | DC | 576 |
| Sagent Pharmaceuticals Inc. 401(k) Plan | Sagent Pharmaceuticals Inc. | Schaumburg | IL | DC | 241 |
| SAI360 401(k) Savings Plan | SAI360 Inc. | Chicago | IL | DC | 384 |
| Salon Buzz Retirement Plan | Zafco, Inc. DBA Salon Buzz | Chicago | IL | DC | 115 |
| Samaritan Ministries Planning for Future Success 401(k) | Samaritan Ministries International | Peoria | IL | DC | 493 |
| Sam Leman I, LLC 401(k) Plan | Sam Leman I, LLC | Morton | IL | DC | 477 |
| Samuel, Son & Co. (USA), Inc. 401(k) Plan | Samuel, Son & Co. (USA), Inc. | Elk Grove Village | IL | DC | 3,441 |
| Sandra Holding LLC 401(k) Plan | Sandra Holding LLC | Libertyville | IL | DC | 181 |
| Sandstone Healthcare Group 401(k) Plan | Sandstone Healthcare Group | Lincolnwood | IL | DC | 1,164 |
| Saporito Finishing Company 401(k) Plan | Saporito Finishing Company | Cicero | IL | DC | 135 |
| Sarah Bush Lincoln Health Center Employee Retirement Plan | Sarah Bush Lincoln Health Center | Mattoon | IL | DC | 4,044 |
| Sara Lee Frozen Bakery 401(k) Plan | Sara Lee Frozen Bakery, LLC | Oakbrook Terrace | IL | DC | 1,564 |
| Sargent & Lundy Savings Investment Plan | Sargent & Lundy | Chicago | IL | DC | 5,668 |
| Sarjnt Inc. Retirement Plan | Sarjnt Inc. | Oak Park | IL | DC | 184 |
| Sasser Family Holdings, Inc. 401(k) Plan | Sasser Family Holdings, Inc. | Schaumburg | IL | DC | 407 |
| Savant Capital, LLC 401(k) Plan | Savant Capital, LLC | Rockford | IL | DC | 740 |
| Savings Plan for Employees of Fischer Paper Products, Inc. | Fischer Paper Products, Inc. | Antioch | IL | DC | 146 |
| Savings Plan for Transcontinental US, LLC and Certain of Its Affiliates | Transcontinental US, LLC | Chicago | IL | DC | 2,629 |
| Sayers 401(k) Plan | Sayers Technology Holdings, Inc. | Vernon Hills | IL | DC | 193 |
| Sayers Technology Holdings, Inc. Employee Stock Ownership Plan | Sayers Technology Holding, Inc. | Vernon Hills | IL | DC | 141 |
| SBG Employee 401(k) Plan and Trust | Sudler and Company, Inc. | Chicago | IL | DC | 207 |
| S&C 401(k) Retirement Savings & ESOP | S&C Electric Company | Chicago | IL | DC | 3,744 |
| SCC 401(k) Plan | Schafer Condon Carter, Inc. | Chicago | IL | DC | 121 |
| Schaumburg Toyota, Inc. Profit Sharing and 401(k) Plan | Schaumburg Toyota, Inc. | Schaumburg | IL | DC | 330 |
| Scheffel Boyle 401(k) Profit Sharing Plan | Scheffel & Company, P.C. | Alton | IL | DC | 141 |
| Schmitt McDonald's 401(k) Plan & Trust | Schmitt Management Corporation | Aurora | IL | DC | 135 |
| Schneider Electric 401(k) Plan | Schneider Electric Holdings, Inc. | Westmont | IL | DC | 29,760 |
| Schneider Electric Pension Plan | Schneider Electric Holdings, Inc. | Westmont | IL | DB | 4,988 |
| Schneider Electric USA, Inc. Coordinated Bargaining Employees' Pension Plan | Schneider Electric Holdings, Inc. | Westmont | IL | DB | 3,285 |
| Schneider Electric USA, Inc. Coordinated Bargaining Employees' Retirement Savings Plan | Schneider Electric USA, Inc. | Westmont | IL | DC | 1,960 |
| Scholle Corporation Employees' 401(k) Savings Plan | Scholle Corporation | Northlake | IL | DC | 1,309 |
| Scholle Corporation Employees' Retirement Plan | Sig US LLC | Northlake | IL | DB | 638 |
| School Health Corp. 401(k) Plan | School Health Corporation | Rolling Meadows | IL | DC | 209 |
| Schulte Roth & Zabel LLP Savings Plan | McDermott Will & Schulte LLP | Chicago | IL | DC | 345 |
| Schulte Roth & Zabel LLP Supplemental Retirement Plan | McDermott Will & Schulte LLP | Chicago | IL | DC | 171 |
| Schulte Roth & Zabel LLP Thrift Plan | McDermott Will & Schulte LLP | Chicago | IL | DC | 322 |
| Schulze and Burch Biscuit Co. Administrative and Maintenance Employees Pension Plan | Schulze and Burch Biscuit Company | Chicago | IL | DB | 139 |
| Schulze and Burch Biscuit Co. Production Employee Pension Plan | Schulze and Burch Biscuit Company | Chicago | IL | DB | 199 |
| Scion Group 401(k) Plan | Scion Group Management, Inc. | Chicago | IL | DC | 1,569 |
| Scot Forge Company 401(k) Plan | Scot Forge Company | Spring Grove | IL | DC | 600 |
| Scot Forge Company Employee Stock Ownership Plan | Scot Forge Company | Spring Grove | IL | DC | 514 |
| Scott Byron & Co. , Inc. Salary Savings and Profit Sharing Plan | Scott Byron & Co., Inc. | Lake Bluff | IL | DC | 157 |
| Scott Credit Union 401(k) Plan | Scott Credit Union | Edwardsville | IL | DC | 431 |
| Scott Enterprises 401(k) Retirement Plan | Scotts Development Company | Erie | IL | DC | 682 |
| Screen (USA) Retirement Plan | Screen North America Holdings, Inc. | Elk Grove Village | IL | DC | 597 |
| Sdi Presence LLC 401(k) Plan | Sdi Presence LLC | Chicago | IL | DC | 437 |
| S.E.A.L. of Illinois 401(k) Savings Plan | S.E.A.L. of Illinois | Lombard | IL | DC | 259 |
| Search Retirement Plan | Search, Inc. | Chicago | IL | DC | 336 |
| Section 403(b) Plan of the John D. and Catherine T. Macarthur Foundation | John D. & Catherine T. Macarthur Foundation | Chicago | IL | DC | 269 |
| Section 403(b) Retirement Plan for South Shore Hospital Corporation | South Shore Hospital Corporation | Chicago | IL | DC | 406 |
| Sedgebrook/monarch 401(k) Plan | Senior Living VII Operator Holdings, LLC | Naperville | IL | DC | 768 |
| Segal McCambridge Singer & Mahoney, Ltd. 401(k) Profit Sharing Plan | Segal McCambridge Singer & Mahoney, Ltd. | Chicago | IL | DC | 566 |
| SEIU Local 1 & Participating Employers Pension Trust | Trustees of SEIU Local 1 & Participating Employers Pension Trust | Chicago | IL | DB | 23,447 |
| SEIU Local No. 4 Pension Fund | Trustees of SEIU Local No. 4 Pension Fund | Chicago | IL | DB | 17,627 |
| Seko Worldwide Employees' 401(k) Retirement Savings Plan | Seko Worldwide, LLC | Schaumburg | IL | DC | 773 |
| Select Rehabilitation, LLC 401(k) Plan and Trust | Select Rehabilitation, LLC | Glenview | IL | DC | 17,263 |
| Selig Sealing Products, Inc. Profit SHARING/401(K) Plan | Selig Sealing Products, Inc. | Forrest | IL | DC | 283 |
| Semasio 401(k) Plan | Casters Holdings, LLC | Chicago | IL | DC | 106 |
| Semblex Corporation Employee Profit Sharing & 401(k) Plan | Semblex Corporation | Elmhurst | IL | DC | 358 |
| Semersky Enterprises 401(k) Plan | Semersky Enterprises | Highland Park | IL | DC | 456 |
| Senior Lifestyle Corporation 401(k) Retirement Plan | Senior Lifestyle Corporation | Chicago | IL | DC | 5,764 |
| Senior Operations LLC 401(k) Profit Sharing Investment Plan | Senior Operations LLC | Bartlett | IL | DC | 3,295 |
| Senior Operations LLC Retirement Plan | Senior Operations LLC | Bartlett | IL | DB | 901 |
| Sentinel Technologies Inc. Employee Stock Ownership Plan | Sentinel Technologies, Inc. | Downers Grove | IL | DC | 697 |
| Sentinel Technologies Retirement Plan and Trust | Sentinel Technologies, Inc. | Downers Grove | IL | DC | 823 |
| Serrala Americas, Inc. 401(k) Plan | Serrala Americas, Inc. | Chicago | IL | DC | 138 |
| Sertifi Plan | Sertifi | Chicago | IL | DC | 162 |
| Sertoma Star Services 403(b) Plan | Sertoma Star Services | Alsip | IL | DC | 633 |
| Servbank 401(k) Profit Sharing Plan | Servbank | Oswego | IL | DC | 964 |
| Servercentral LLC 401(k) Profit Sharing Plan & Trust | Servercentral LLC | Elk Grove Village | IL | DC | 226 |
| Service Filtration Corporation 401(k) Plan | Service Filtration Corporation | Northbrook | IL | DC | 242 |
| Service Holdings, LLC Retirement Plan | Service Holdings, LLC | Downers Grove | IL | DC | 365 |
| Service, Inc. Retirement Plan | Service, Inc. of Illinois | Joliet | IL | DC | 262 |
| Set Environmental, Inc. 401(k) Savings Plan | Set Environmental, Inc. | Wheeling | IL | DC | 750 |
| Sevan Multi-Site Solutions, Inc. 401(k) Plan | Sevan Multi-Site Solutions, Inc. | Downers Grove | IL | DC | 479 |
| Sewer Equipment Co. of America 401(k) Plan | Sewer Equipment Company of America | Dixon | IL | DC | 430 |
| Seyfarth Shaw LLP 401(k) Savings and Retirement Plan | Seyfarth Shaw LLP | Chicago | IL | DC | 2,908 |
| Seyfarth Shaw LLP Legacy Pension Plan | Seyfarth Shaw LLP | Chicago | IL | DB | 317 |
| Seyfarth Shaw LLP Market-Based Pension Plan | Seyfarth Shaw LLP | Chicago | IL | DB | 223 |