| Seymour of Sycamore, LLC Employees' Profit Sharing Plan and Trust | Seymour of Sycamore, LLC | Sycamore | IL | DC | 210 |
| SFH Company LLC and Affiliates 401(k) Plan | SFH Company LLC | Lockport | IL | DC | 144 |
| SG360 Savings Plan | SG360 | Wheeling | IL | DC | 1,122 |
| Shaker Advertising Agency Employees' 401(k) Plan | Shaker Advertising Agency Inc. d/b/a Shaker Recruitment Marketing | Oak Park | IL | DC | 278 |
| Shakespeare 401(k) Plan | Shakespeare Oil Company, Inc. | Salem | IL | DC | 174 |
| Shamrock Cartage Inc. 401(k) | Shamrock Cartage Inc. | Minooka | IL | DC | 352 |
| Shared Imaging, LLC 401(k) Savings Plan & Trust | Shared Imaging, LLC | Downers Grove | IL | DC | 384 |
| Sharp Nec Display Solutions of America, Inc. Retirement Plan | Sharp Nec Display Solutions of America, Inc. | Downers Grove | IL | DC | 180 |
| Shaw Media Employee 401(k) Savings Plan | B.F. Shaw Printing Company | Crystal Lake | IL | DC | 372 |
| Shawnee Health Service and Development Corporation 401(k) and Profit Sharing Plan | Shawnee Health Service and Development Corporation | Carterville | IL | DC | 510 |
| Sheet Metal Workers International Association Local 73 Annuity Plan | Trustees of Sheet Metal Workers Int'l Association Local No. 73 | Hillside | IL | DC | 2,976 |
| Sheet Metal Workers Local 219 Retirement Savings Fund | Board of Trustees - Sheet Metal Workers Local 219 R.S.P. | Rockford | IL | DC | 1,040 |
| Sheet Metal Workers' Local 73 Pension Fund | Board of Trustees of the Sheet Metal Workers 73 Pension Fund | Hillside | IL | DB | 5,310 |
| Sheet Metal Workers Local 91 Annuity Plan | Board of Trustees Sheetmetal Workers Local 91 Annuity Plan | Rock Island | IL | DC | 772 |
| Sherman's Place, Inc. 401(k) Plan | Sherman's Place, Inc. | Peoria | IL | DC | 120 |
| Shipbob 401(k) Plan | Shipbob, Inc. | Chicago | IL | DC | 1,139 |
| Shodeen Group, LLC 401(k) Plan | Shodeen Group, LLC | Geneva | IL | DC | 160 |
| Shore Capital Partners Management, LP Retirement Savings Plan | Shore Capital Partners Management LP | Chicago | IL | DC | 205 |
| Shorr Packaging Corp. Employees Profit Sharing & 401(k) Plan | Hanchett Paper Company | Aurora | IL | DC | 744 |
| Shorr Paper Products, Inc. Employee Stock Ownership Plan | Hanchett Paper Company DBA Shorr Paper Products, Inc. | Aurora | IL | DC | 711 |
| Shoup Manufacturing Co., Inc. 401(k) Retirement Profit Sharing Plan | Shoup Manufacturing Co. | Kankakee | IL | DC | 167 |
| Showpad Inc. Retirement Trust | Showpad Inc. | Chicago | IL | DC | 189 |
| Shure Associates' 401(k) Savings and Profit Sharing Plan | Shure Incorporated | Niles | IL | DC | 1,469 |
| Shure Incorporated Employees' Retirement Plan | Shure Incorporated | Niles | IL | DB | 288 |
| Sidley Austin LLP Cash Balance Retirement Plan for Partners | Sidley Austin LLP | Chicago | IL | DB | 691 |
| Sidley Austin LLP Retirement Plan | Sidley Austin LLP | Chicago | IL | DB | 2,842 |
| Sidley Austin LLP Retirement Plan for Partners | Sidley Austin LLP | Chicago | IL | DC | 964 |
| Sidley Austin LLP Ret Plan for Secretarial Staff | Sidley Austin LLP | Chicago | IL | DB | 764 |
| Sidley Austin LLP Savings and Investment Plan | Sidley Austin LLP | Chicago | IL | DC | 6,029 |
| Siemens Manufacturing Co., Inc. 401(k) Plan | Siemens Manufacturing Co., Inc. | Freeburg | IL | DC | 110 |
| Siemer Milling Company Employee Stock Ownership Plan and Trust | Siemer Milling Company | Teutopolis | IL | DC | 212 |
| Sigmatron International, Inc. 401(k) Retirement Savings Plan | Sigmatron International, Inc. | Elk Grove Village | IL | DC | 496 |
| Signature Retail Services, Inc. 401(k) Profit Sharing Plan | Signature Retail Services, Inc. | Aurora | IL | DC | 480 |
| Signcraft Screenprint, Inc. 401(k) Plan | Signcraft Screenprint, Inc. | Galena | IL | DC | 141 |
| Sihf Healthcare Savings and Investment Plan | Southern Illinois Healthcare Foundation, Inc. DBA Sihf Healthcare | Centreville | IL | DC | 1,200 |
| Sikich Employees' 401(k) Plan | Sikich LLC | Naperville | IL | DC | 2,455 |
| Silkroad Technology, Inc. 401(k) Profit Sharing Plan & Trust | Silkroad Technology, Inc. | Chicago | IL | DC | 208 |
| Silver Cross Hospital & Medical Centers Employees' 401(k) Retirement Savings Plan | Silver Cross Hospital & Medical Centers | New Lenox | IL | DC | 4,338 |
| Silver Cross Management Services Organization 401(k) Plan | Silver Cross Management Services Organization | New Lenox | IL | DC | 212 |
| Simantel Group Ltd. 401(k) Profit Sharing Plan & Trus | Simantel Group Ltd. | Peoria | IL | DC | 173 |
| Simmons Hanly Conroy 401(k) Plan | Simmons Hanly Conroy LLP | Alton | IL | DC | 520 |
| Simplex Investments, LLC 401(k) Plan | Simplex Investments, LLC | Chicago | IL | DC | 192 |
| Simplify Healthcare 401(k) Profit Sharing Plan | Most Group, Inc. DBA Simplify Healthcare Technology | Aurora | IL | DC | 159 |
| Sims Group USA Holdings Corp. 401(k) Plan | Sims Group USA Holdings Corp. | Chicago | IL | DC | 2,709 |
| Sinai Health System Consolidated 403(b) Plan | Sinai Health System | Chicago | IL | DC | 5,833 |
| Sinai Health System Retirement Plan | Sinai Health System | Chicago | IL | DC | 3,135 |
| Sinai Health System Union Retirement Plan | Sinai Health System | Chicago | IL | DC | 664 |
| Sinnissippi Centers Retirement Plan | Sinnissippi Centers, Inc. | Dixon | IL | DC | 357 |
| Sipi Metals Corp. Hourly and Collective Bargaining Unit Employees Retirement Plan | Sipi Metals Corp. | Chicago | IL | DB | 127 |
| S.I.R. Management, Inc. Retirement Plan and Trust | S.I.R. Management, Inc. | Lincolnwood | IL | DC | 699 |
| Sirva Employee Savings Plan and Trust - 401(k) Plan | North American Van Lines, Inc. | Oakbrook Terrace | IL | DC | 1,832 |
| Sirva Employees Retirement Plan | Sirva Inc. | Oakbrook Terrace | IL | DB | 1,702 |
| Siu P & S Retirement Plan | Siu Physicians & Surgeons | Springfield | IL | DC | 402 |
| SJH Derm, Inc. Employee Stock Ownership Plan | SJH Derm, Inc. | Lagrange | IL | DC | 202 |
| Skender Group, LLC 401(k) Profit Sharing Plan | Skender Group, LLC | Chicago | IL | DC | 401 |
| Skidmore, Owings & Merrill LLP 401(k) Savings Plan | Skidmore, Owings & Merrill LLP | Chicago | IL | DC | 2,069 |
| Skin Cure Oncology, LLC 401(k) Plan | Skin Cure Oncology, LLC | Burr Ridge | IL | DC | 633 |
| Sko-Die, Inc. 401(k) Profit Sharing Plan | Sko-Die, Inc. | Morton Grove | IL | DC | 119 |
| Slab Masters Retirement Plan | Slab Masters, U.S. LLC | Caseyville | IL | DC | 276 |
| Slidematic Precision Components, Inc. 401(k) Plan | Slidematic Precision Components, Inc. | Rockford | IL | DC | 339 |
| Sloan Implement Company, Inc. 401(k) Plan | Sloan Implement Company, Inc. | Assumption | IL | DC | 817 |
| Sloan Valve Company Employees' Pension Plan | Sloan Valve Company | Franklin Park | IL | DB | 207 |
| Sloan Valve Company Factory Employees' Amended Pension Plan | Sloan Valve Company | Franklin Park | IL | DB | 212 |
| Sloan Valve Company Savings and Investment Plan | Sloan Valve Company | Franklin Park | IL | DC | 1,053 |
| Smalley USA 401(k) Retirement Savings Plan | Smalley Steel Ring Co. | Lake Zurich | IL | DC | 772 |
| Small Newspaper Group Retirement Plan & Trust | Small Newspaper Group, Inc. | Kankakee | IL | DC | 151 |
| Smart Local 265 Pension Fund | Trustees of the Smart Local 265 Pension Fund | Downers Grove | IL | DB | 3,363 |
| Smart Local 265 Supplemental Retirement Savings Plan | Board of Trustees-Smart Local 265 Supp Ret SVGS Plan | Downers Grove | IL | DC | 2,490 |
| Smart Sand, Inc. Retirement Plan | Smart Sand Inc. | Ottawa | IL | DC | 318 |
| Smithbucklin Employee Retirement Plan | Smithbucklin Corporation | Chicago | IL | DC | 1,106 |
| Smithereen Company 401(k) Plan | Smithereen Company | Niles | IL | DC | 176 |
| Smith Senior Living 401(k) Plan | Smith Senior Living | Chicago | IL | DC | 606 |
| Smokeball, Inc. 401(k) Plan | Smokeball, Inc. | Chicago | IL | DC | 186 |
| Snap Diagnostics LLC 401(k) Plan | Snap Diagnostics LLC | Vernon Hills | IL | DC | 236 |
| Snapsheet, Inc. Ancillary Plan | Body Shop Bids d/b/a Snapsheet | Chicago | IL | DC | 617 |
| Society of Actuaries Research Institute 403(b) Retirement Plan | Society of Actuaries Research Institute | Chicago | IL | DC | 300 |
| Society of Critical Care Medicine Retirement Savings Plan | Society of Critical Care Medicine | Mt. Prospect | IL | DC | 115 |
| Soderstrom Dermatology Center S.C. 401(k) Plan and Trust | Soderstrom Dermatology Center, S.C. | Peoria | IL | DC | 264 |
| Soft Drink Industry Pension Fund | Trustees of Soft Drink Industry Pension Fund | Park Ridge | IL | DB | 2,633 |
| Soft Landing Interventions, LLC 401(k) Plan | Soft Landing Interventions, LLC | Naperville | IL | DC | 174 |
| Software Solutions Integrated, LLC 401(k) Plan | Software Solutions Integrated, LLC | Shelbyville | IL | DC | 226 |
| Sogeti USA 401(k) Profit Sharing Plan | Capgemini America Inc. | Chicago | IL | DC | 4,000 |
| Soho House LLC 401(k) Plan | Soho House, LLC | Chicago | IL | DC | 4,185 |
| Sokol and Company 401(k) Salary Reduction Plan and Trust | SC - BCP Acquisition Company, LLC | Countryside | IL | DC | 162 |
| Solesence, Inc. 401(k) Profit Sharing Plan | Solesence, Inc. | Romeoville | IL | DC | 154 |
| Solomon Colors, Inc. Employee Stock Ownership Plan | Solomon Colors, Inc. | Springfield | IL | DC | 191 |
| Solomon Colors, Inc. Salary Deferral Plan | Solomon Colors, Inc. | Springfield | IL | DC | 243 |
| Sonova 401(k) Retirement Savings Plan | Sonova U.S. Corporate Services, LLC | Aurora | IL | DC | 2,372 |
| Sonova Premier 401(k) Retirement Savings Plan | Sonova U.S. Corporate Services, LLC | Aurora | IL | DC | 1,419 |
| Soteria Flexibles Corporation 401(k) Plan | Colonial Bag LLC | Carol Stream | IL | DC | 327 |
| Sourcebooks, LLC 401(k) Plan | Sourcebooks, LLC | Naperville | IL | DC | 371 |
| Source North America Corporation 401(k) Plan | Source North America Corporation | Addison | IL | DC | 196 |
| Southern Illinois Bancorp, Inc. 401(k) Plan | Southern Illinois Bancorp, Inc. | Carmi | IL | DC | 132 |
| Southern Illinois Bancorp, Inc. Employees Stock Ownership Plan | Southern Illinois Bancorp, Inc. | Carmi | IL | DC | 126 |
| Southern Illinois Healthcare Retirement Savings Plan | Southern Illinois Hospital Services | Carbondale | IL | DC | 5,175 |
| Southern Illinois Laborers & Employers Annuity Fund | Trustees of Southern Illinois Laborers & Employers Annuity Fund | Marion | IL | DC | 5,216 |
| Southern Orthopedic Associates 401(k) Profit Sharing Plan | Southern Orthopedic Associates, SC | Herrin | IL | DC | 248 |
| Sp+ 401(k) Savings Plan | SP Plus Corporation | Chicago | IL | DC | 14,195 |
| Spartan Education Group, LLC Retirement Savings Plan | Spartan Education Group, LLC | Chicago | IL | DC | 366 |
| Spaulding Ridge 401(k) Plan | Spaulding Ridge LLC | Chicago | IL | DC | 445 |
| Special Education Services 403(b) Retirement Plan | Special Education Services | North Aurora | IL | DC | 1,350 |
| Specialty Promotions, Inc. Retirement Plan | Specialty Promotions, Inc. | Niles | IL | DC | 383 |
| Spencer Stuart Retirement Benefits Plan | Ssi (U.S.) Inc. DBA Spencer Stuart | Chicago | IL | DC | 1,493 |
| Sphera Solutions Inc. 401(k) Plan | Sphera Solutions, Inc. | Chicago | IL | DC | 548 |
| Spherecommerce LLC 401(k) Plan | Spherecommerce, LLC | Chicago | IL | DC | 251 |
| Spider Company Inc. Profit Sharing Plan | Spider Company, Inc. | Machesney Park | IL | DC | 254 |
| Spins 401(k) Plan | Spins LLC | Chicago | IL | DC | 580 |
| Spothero 401(k) Plan | Spothero, Inc. | Chicago | IL | DC | 273 |
| Spraying Systems Co. Employees' Profit Sharing and 401(k) Plan | Spraying Systems Co. | Wheaton | IL | DC | 1,378 |
| Spri Ltd. 401(k) Plan | Spri Ltd. | Chicago | IL | DC | 269 |
| Springfield Clinic, LLP 401(k) Employees' Benefit and Retirement Plan | Springfield Clinic, LLP | Springfield | IL | DC | 4,964 |
| Springfield, Inc. 401(k) Profit Sharing Plan | Springfield, Inc. | Geneseo | IL | DC | 438 |
| Spring-Green Lawn Care Corp. Savings and Investment Plan and Trust | Spring-Green Enterprises, Inc. | Plainfield | IL | DC | 262 |
| Sprout Social Retirement Plan | Sprout Social, Inc. | Chicago | IL | DC | 1,383 |
| Sram LLC Retirement Savings Plan | Sram LLC | Chicago | IL | DC | 1,010 |
| Sru Electric, LLC 401(k) Plan | Sru Electric, LLC | Cary | IL | DC | 140 |
| S & S Activewear, LLC 401(k) Retirement Savings Plan | S & S Activewear, LLC | Bolingbrook | IL | DC | 2,739 |
| S & S Automotive, Inc. Employees' 401(k) and Profit Sharing Plan | S & S Automotive, Inc. | Woodridge | IL | DC | 112 |
| S&S Truck Parts LLC 401(k) Plan | S&S Truck Parts LLC | Schaumburg | IL | DC | 364 |
| Stackadapt, Inc. | Stackadapt, Inc. | Chicago | IL | DC | 327 |
| Staffing Network Holdings, LLC 401(k) Plan | Staffing Network Holdings, LLC | Oakbrook Terrace | IL | DC | 119 |
| Staffing Plus 401(k) Retirement Plan | Staffing Plus, Inc. | Woodridge | IL | DC | 341 |
| Staffing Technical Services, Inc. 401(k) Plan | Staffing Technical Services, Inc. | Wheaton | IL | DC | 132 |
| Staff Management, Inc. Pooled Employer Plan | Staff Management, Inc. | Rockford | IL | DC | 1,465 |
| Stagehands Local Two Annuity Plan | Board of Trustees - Stagehands Local Two | Chicago | IL | DC | 2,234 |
| Stagehands Local Two Retirement Plan | BD of Trustees Stagehands Local | Chicago | IL | DB | 1,688 |
| Stahl (USA) 401(k) Plan | Stahl (USA) Inc. | Itasca | IL | DC | 189 |
| Stampede Culinary Partners, Inc. Employee Savings Plan | Stampede Culinary Partners, Inc. | Bridgeview | IL | DC | 954 |
| Standard Forwarding, LLC Non-Bargaining Employees 401(k) Plan | Standard Forwarding, LLC | Moline | IL | DC | 111 |
| Standard Forwarding LLC Union Employees 401(k) Savings Plan | Standard Forwarding LLC | East Moline | IL | DC | 474 |
| Starck & Co. 401(k) Plan | Starck & Co. | Palatine | IL | DC | 111 |
| State Farm 401(k) Savings Plan | State Farm Mutual Automobile Insurance Company | Bloomington | IL | DC | 101,896 |
| State Farm Insurance Companies Retirement Plan for United States Employees | State Farm Mutual Automobile Insurance Company | Bloomington | IL | DB | 114,467 |
| Stats LLC Savings Plan | Stats LLC | Chicago | IL | DC | 370 |
| St. Bernard Soap Company 401(k) Plan | St. Bernard Soap Company | Montgomery | IL | DC | 214 |
| St. Charles Trading, Inc. 401(k) Plan | St. Charles Trading, Inc. | Elgin | IL | DC | 138 |
| Steamfitters Local 439 Pension Plan | Steamfitters Local 439 | Caseyville | IL | DB | 287 |
| Steamfitters Local 439 Supplemental Retirement Trust | Steamfitters Local 439 | Caseyville | IL | DC | 189 |
| Steel Fab, a Division of Samuel, Son & Co. (USA) Inc., 401(k) Plan | Samuel, Son & Co. (USA) Inc. | Elk Grove Village | IL | DC | 196 |
| Steel Grip, Inc. Employees' Profit Sharing and Savings Plan | Steel Grip, Inc. | Danville | IL | DC | 112 |
| Steiner Electric Company Profit Sharing Plan and Trust | Steiner Electric Company | Itasca | IL | DC | 342 |
| Stepan Company Employee Stock Ownership Plan II | Stepan Company | Northbrook | IL | DC | 1,783 |
| Stepan Company Retirement Plan for Millsdale Hourly and Anaheim Hourly Employees | Stepan Company | Northbrook | IL | DB | 255 |
| Stepan Company Retirement Plan for Salaried Employees | Stepan Company | Northbrook | IL | DB | 934 |
| Stepan Company Savings and Investment Retirement Plan | Stepan Company | Northbrook | IL | DC | 1,798 |
| Steppenwolf Theatre Company 401(k) Plan | Steppenwolf Theatre Company | Chicago | IL | DC | 1,459 |
| Stericycle, Inc. 401(k) Retirement Plan | Stericycle, Inc. | Bannockburn | IL | DC | 11,061 |
| Stericycle, Inc. P. R. Savings Plan | Stericycle, Inc. | Bannockburn | IL | DC | 101 |
| Sterling Bay, LLC 401(k) Plan | Sterling Bay, LLC | Chicago | IL | DC | 196 |
| Sterling Engineering, Inc. Salary Savings Plan | Sterling Engineering, Inc. | Westchester | IL | DC | 421 |
| Sterling Federal Bank, FSB Retirement Plan and Trust | Sterling Federal Bank, FSB | Sterling | IL | DB | 136 |
| Sterling Site Access Solutions, LLC 401(k) Plan | Sterling Site Access Solutions, LLC | Phoenix | IL | DC | 498 |
| Sterling Spring, L.L.C. Retirement Plan | Sterling Spring, L.L.C. | Chicago | IL | DB | 106 |
| Sterling Staffing, Inc. Employee Stock Ownership Plan | Sterling Staffing, Inc. | Westchester | IL | DC | 250 |
| Sterrx, LLC Employee Savings Plan and Trust | Sterrx, LLC | Schaumburg | IL | DC | 145 |
| Steve Napleton Dealer Group 401(k) Plan | Napleton Schaumburg Motors, Inc. | Schaumburg | IL | DC | 672 |
| Stevens Industries, Inc. 401(k) Plan | Stevens Industries, Inc. | Teutopolis | IL | DC | 558 |
| Stevens Industries, Inc. Employee Stock Ownership Plan | Stevens Industries, Inc. | Teutopolis | IL | DC | 478 |
| St. Laurence High School 403(b) Plan | St. Laurence High School Inc. | Burbank | IL | DC | 283 |
| Stonepeak Ceramics, Inc. 401(k) Plan | Stonepeak Ceramics, Inc. | Chicago | IL | DC | 385 |
| Storck USA, L.P. Employee 401(k) Savings Plan | Storck USA, L.P. | Chicago | IL | DC | 156 |
| Stove, Furnace, Allied Appliance, and Enamel Workers Union Pension Plan | Trustees of the Stove,furnace,appliance,& Enamel Workers Pension Plan | Belleville | IL | DB | 674 |
| Stratus Networks, Inc. Retirement Savings Plan | Stratus Networks, Inc. | Peoria | IL | DC | 127 |
| Structural Iron Workers Local #1 Annuity Plan | Board of Trustees of Structural Iw Local #1 Annuity Plan | Forest Park | IL | DC | 4,608 |
| Structural Iw Local #1 Pension Plan | BD of Trustees-Structural Iw #1 Pension Plan | Forest Park | IL | DB | 3,189 |
| Studio Gang Architects, Ltd. Employees' Savings Plan | Studio Gang Architects, Ltd. | Chicago | IL | DC | 184 |
| Studio Mechanics Local 476 Annuity Plan | Board of Trustees Studio Mechanics Local 476 Annuity Fund | Chicago | IL | DC | 2,721 |
| Studio Mechanics Local 476 IATSE Retirement Plan | Board of Trustees Studio Mechanics Local 476 IATSE Retiremen | Chicago | IL | DB | 1,674 |
| Suburban Gastroenterology, Ltd. Employees' Profit Sharing Plan & Trust | Suburban Gastroenterology, Ltd. | Naperville | IL | DC | 105 |
| Suburban Teamsters of Northern Illinois Pension Plan | Trustees of Suburban Teamsters of Northern Illinois Pension Fund | West Chicago | IL | DB | 10,032 |
| Summus 401(k) Plan | Summus Group LLC | Mundelein | IL | DC | 676 |
| Suncast Corporation Savings and Investment Plan | Suncast Corporation | Batavia | IL | DC | 446 |
| Suncoke 401(k) Plan | Suncoke Energy, Inc. | Lisle | IL | DC | 952 |
| Sunset Food Mart, Inc. 401(k) Retirement Plan | Sunset Food Mart, Inc. | Highland Park | IL | DC | 623 |
| Sunset Healthcare Solutions, Inc. 401(k) Profit Sharing Plan & Trust | Sunset Healthcare Solutions, Inc. | Bloomingdale | IL | DC | 120 |
| Sunset Home 403(b) Retirement Savings Plan | Sunset Home | Quincy | IL | DC | 193 |
| Sunsource Savings and Investment Plan | STS Operating, Inc. | Addison | IL | DC | 1,505 |
| Sunstar Americas, Inc. 401(k) Retirement Savings Plan | Sunstar Americas, Inc. | Schaumburg | IL | DC | 627 |
| Superheat FGH Retirement Readiness Plan | Superheat FGH Services, Inc. | New Lenox | IL | DC | 376 |
| Superior Air-Ground Ambulance Service, Inc. Profit Sharing 401(k) Plan | Superior Air-Ground Ambulance Service, Inc. | Elmhurst | IL | DC | 3,652 |
| Superior Consolidated Industries, Inc. Employee Stock Ownership Plan and Trust | Superior Consolidated Industries, Inc. | Peoria | IL | DC | 1,319 |
| Superior Graphite Co. Employee's Savings Plan | Superior Graphite Company | Chicago | IL | DC | 183 |
| Superior Graphite Co. Employee Stock Ownership Plan | Superior Graphite Company | Chicago | IL | DC | 167 |
| Superior Insurance Partners, LLC 401(k) Plan | Superior Insurance Partners, LLC | Chicago | IL | DC | 254 |
| Supplycore Inc. 401(k) Profit Sharing Plan | Supplycore Inc. | Rockford | IL | DC | 235 |
| Surestaff Pillar 401(k) Plan | Pillar Staffing, LLC | Itasca | IL | DC | 276 |
| Surewerx USA 401(k) Plan | Surewerx USA Inc. | Elgin | IL | DC | 153 |
| Surgical Referral Services, Ltd. 401(k) Profit Sharing Plan | Surgical Referral Services, Ltd. | Bannockburn | IL | DC | 345 |
| Sutton Auto Team Retirement Plan | Sutton Ford, Inc. | Matteson | IL | DC | 423 |
| Svanaco, Inc. DBA Americaneagle.com 401(k) Plan | Svanaco, Inc. | Des Plaines | IL | DC | 647 |
| S.W. Anderson Company Savings Plan and Trust | S.W. Anderson Company | Bolingbrook | IL | DC | 110 |
| Swanson, Martin & Bell, LLP 401(k) Profit Sharing Plan | Swanson, Martin & Bell, LLP | Chicago | IL | DC | 284 |
| SWD, Inc. Defined Contribution Plan | SWD, Inc. | Addison | IL | DC | 233 |
| Swedishamerican 401(k) Incentivesaver Plan | Swedishamerican Health System | Rockford | IL | DC | 163 |
| Swedishamerican 403(b) Incentivesaver Plan | Swedishamerican Health System | Rockford | IL | DC | 6,012 |
| Sweetener Supply Corp., Et Al, Retirement Plan | Sweetener Supply Corporation | Brookfield | IL | DC | 250 |
| Swift-Eckrich, Inc. Hourly Retirement Plan Program | Conagra Brands, Inc. | Chicago | IL | DB | 2,089 |
| Swiss Automation, Inc. 401(k) Plan | Swiss Automation, Inc. | Barrington | IL | DC | 306 |
| Swiss Steel USA, Inc. 401(k) Plan | Swiss Steel USA, Inc. | Carol Stream | IL | DC | 128 |
| Switchboard Apparatus, Inc. 401(k) Profit Sharing Plan | Switchboard Apparatus, Inc. | Franklin Park | IL | DC | 230 |
| Swoon Group, LLC Retirement Plan | Swoon Group, LLC | Chicago | IL | DC | 445 |
| Symbria 401(k) Plan | Symbria, Inc. | Woodridge | IL | DC | 1,991 |
| Symbria Inc. Employee Stock Ownership Plan | Symbria Inc. | Warrenville | IL | DC | 969 |
| Symphony Multiple Employer Plan | Maestro Consulting Services, LLC | Lincolnwood | IL | DC | 1,243 |
| Synapse Health, Inc. 401(k) Plan | Synapse Health, Inc. | Skokie | IL | DC | 344 |
| Syndigo 401(k) Plan | Syndigo LLC | Chicago | IL | DC | 798 |
| SYNERGY55 LLC Profit Sharing and Savings Plan | SYNERGY55 LLC | Schaumburg | IL | DC | 965 |
| Synergy Flavors, Inc. 401(k) Profit Sharing Plan | Synergy Flavors Inc. | Wauconda | IL | DC | 470 |
| Synergy Senior Care LLC 401(k) Profit Sharing Plan & Trust | Synergy Senior Care LLC | Skokie | IL | DC | 575 |
| Sysmex America, Inc. Profit Sharing and 401(k) Plan | Sysmex America Inc. | Lincolnshire | IL | DC | 1,579 |
| Tablecraft Products Employees Profit Sharing Plan and Trust | Tablecraft Products Company | Gurnee | IL | DC | 177 |
| Tabor Hills 401(k) Plan | Bohemian Home for the Aged | Naperville | IL | DC | 213 |
| Tall Tree Foods, Inc. 401(k) Savings Plan | Tall Tree Foods, Inc. | Glenview | IL | DC | 196 |
| Tampico Beverages Inc. Profit Sharing Savings Plan | Tampico Beverages Inc. | Chicago | IL | DC | 164 |
| Tangent Technologies, LLC 401(k) Plan | Tangent Technologies, LLC | Aurora | IL | DC | 591 |
| T.A.S.C. Inc. Employee Retirement Plan | T.A.S.C. Inc. | Chicago | IL | DC | 381 |
| Tate & Lyle Grain, Retirement Savings Plan | Tate & Lyle Americas LLC | Hoffman Estates | IL | DC | 111 |
| Tate & Lyle Hourly Comprehensive Retirement Plan | Tate & Lyle Americas, LLC | Hoffman Estates | IL | DC | 464 |
| Tate & Lyle Hourly Savings and Investment Plan | Tate & Lyle Americas, LLC | Hoffman Estates | IL | DC | 145 |
| Tate & Lyle Salaried Comprehensive Retirement Plan | Tate & Lyle Americas, LLC | Hoffman Estates | IL | DC | 1,293 |
| Tate & Lyle Salaried Pension Plan | Tate & Lyle Americas, Inc. | Decatur | IL | DB | 3,340 |
| Taubensee Steel and Wire Company Retirement Plan | Taubensee Steel & Wire | Wheeling | IL | DC | 304 |
| Tawani Enterprises Employees' Pension Plan | Tawani Enterprises, Inc. | Chicago | IL | DC | 227 |
| Tax Deferred Annuity Plan for Employees of Haymarket Center | McDermott Center DBA Haymarket Center | Chicago | IL | DC | 426 |
| Tax-Deferred Retirement Investment Plan of the Boler Company | The Boler Company | Schaumburg | IL | DC | 2,633 |
| Tca 401(k) Retirement Savings Plan | Tennis Corporation of America | Chicago | IL | DC | 1,624 |
| T/cci Manufacturing, L.L.C. 401(k) Plan | T/cci Manufacturing, L.L.C. | Decatur | IL | DC | 161 |
| TCC Wireless, LLC 401(k) Plan | TCC Wireless, LLC | Bloomingdale | IL | DC | 1,223 |
| Tci Manufacturing & Equipment Sales, Inc. 401(k) Plan | Tci Manufacturing & Equipment Sales, Inc. | Walnut | IL | DC | 216 |
| TC Industries, Inc. Retirement Savings and Investment Plan | TC Industries, Inc. | Crystal Lake | IL | DC | 300 |
| Team Belvedere LLC 401(k) Plan | Team Belvedere LLC | Chicago | IL | DC | 455 |
| Team Brandt, LLC 401(k) and Profit Sharing Plan | Team Brandt, LLC | Springfield | IL | DC | 780 |
| Teamsnap Retirement Savings Plan | Teamsnap, Inc. | Chicago | IL | DC | 271 |
| Teamsters' Local 301 Pension Plan | Trustees of Teamsters Local 301 | Waukegan | IL | DB | 2,907 |
| Teamsters Local 727 Trade Show 401(k) Plan | Board of Trustees of Teamsters Local 727 | Park Ridge | IL | DC | 1,127 |
| Teamsters Local 777 Severance and Retirement Plan | Trustees of Teamsters Local 777 Severance and Retirement Plan | Lyons | IL | DC | 5,122 |
| Teamsters Local Union No. 727 Pension Plan | Board of Trustees of Teamsters Local Union No. 727 Pension Plan | Park Ridge | IL | DB | 6,526 |
| Technipaq, Inc. 401(k) Profit Sharing Plan | Technipaq, Inc. | Crystal Lake | IL | DC | 211 |
| Tecta America Corp. Profit Sharing and 401(k) Plan | Tecta America Corp. | Rosemont | IL | DC | 4,215 |
| Tempco Electric Heater Corporation 401(k) Plan | Tempco Electric Heater Corporation | Wood Dale | IL | DC | 255 |
| Tempel Employees Pension Plan | Tempel Steel Company, LLC | Chicago | IL | DB | 499 |
| Tempus Ai, Inc. 401(k) Plan | Tempus Ai, Inc. | Chicago | IL | DC | 2,808 |
| Terlato Wine Group, Ltd. Savings and Retirement Plan | Terlato Wine Group, Ltd. | Lake Bluff | IL | DC | 392 |
| Terra Engineering, Ltd. 401(k) Profit Sharing Plan and Trust | Terra Engineering, Ltd. | Chicago | IL | DC | 143 |
| Terrazzo & Marble Supply Companies 401(k) Plan | Terrazzo & Marble Supply Co. of Illinois | Wheeling | IL | DC | 159 |
| Terrazzo & Marble Supply Co. of Illinois Employee Stock Ownership Plan | Terrazzo & Marble Supply Co. of Illinois | Wheeling | IL | DC | 210 |
| Tersera Therapeutics 401(k) Plan | Tersera Therapeutics LLC | Deerfield | IL | DC | 227 |
| Tharaldson Hospitality Staffing, LLC 401(k) Plan | Tharaldson Hospitality Staffing, | Decatur | IL | DC | 2,525 |
| The 401(k) Plan of Ucc Holdco, LLC | Ucc Holdco, LLC | Waukegan | IL | DC | 334 |
| The 401(k) Profit Sharing Plan of the Commercial Club of Chicago | The Commercial Club of Chicago | Chicago | IL | DC | 133 |
| The 401(k) Savings Plan | Dermacare LLC | Chicago | IL | DC | 271 |
| The 403(b) PEP | Planpilot | Chicago | IL | DC | 137 |
| The Adler Planetarium Defined Contribution Retirement Income Plan | The Adler Planetarium | Chicago | IL | DC | 174 |
| The Admiral at the Lake 403(b) Plan | The Admiral at the Lake | Chicago | IL | DC | 248 |
| The Advanced Group of Companies Employee Savings and Retirement Plan | Advanced Personnel, Inc. | Chicago | IL | DC | 1,767 |
| The Airoom Companies, LLC 401(k) Plan | Airoom, LLC | Lincolnwood | IL | DC | 105 |
| The Alden Network 401(k) Plan | The Alden Group, Ltd. | Chicago | IL | DC | 4,783 |
| The Alinea Group 401(k) Plan | The Alinea Group LLC | Chicago | IL | DC | 411 |
| The American Osteopathic Association Employees' Retirement and Savings Plan | American Osteopathic Association | Chicago | IL | DC | 212 |
| The Anti-Cruelty Society 403(b) Plan | The Anti-Cruelty Society | Chicago | IL | DC | 155 |
| The Art Institute of Chicago Defined Contribution Retirement Plan | The Art Institute of Chicago | Chicago | IL | DC | 2,228 |
| The Art Institute of Chicago Pension Plan | The Art Institute of Chicago | Chicago | IL | DB | 837 |
| The Art Institute of Chicago Retirement Savings Plan | The Art Institute of Chicago | Chicago | IL | DC | 291 |
| The Art Institute of Chicago Tax Deferred Savings Program | The Art Institute of Chicago | Chicago | IL | DC | 2,125 |
| The Autobarn, Ltd. 401(k) Profit Sharing Plan | Autobarn Motors, Ltd. | Evanston | IL | DC | 140 |
| The Azek Company 401(k) Plan | The Azek Group LLC | Chicago | IL | DC | 2,718 |
| The Baby Fold 403(b) Retirement Savings Plan | The Baby Fold, Inc. | Normal | IL | DC | 352 |
| The Baird & Warner 401(k) Retirement Savings Plan | Baird & Warner, Inc. | Chicago | IL | DC | 534 |
| The Baltimore Sun Company Employees' Retirement Plan | Tribune Media Company | Chicago | IL | DB | 1,287 |
| The Baltimore Sun Company Retirement Plan for Mailers | Tribune Media Company | Chicago | IL | DB | 126 |
| The Barack Obama Foundation 403(b) Plan | The Barack Obama Foundation | Chicago | IL | DC | 401 |
| The Belt Railway Company of Chicago 401(k) for Collective Bargaining Employees | The Belt Railway Company of Chicago | Bedford Park | IL | DC | 423 |
| The Belt Railway Company of Chicago Pension Plan for Non-Schedule Employees | The Belt Railway Company of Chicago | Bedford Park | IL | DB | 141 |
| The Blommer Chocolate Company Employees' Profit- Sharing and 401(k) Plan | Blommer Chocolate Company, LLC. | Chicago | IL | DC | 965 |
| The Bradford Group, Inc. Employee Stock Ownership Plan | The Bradford Group, Inc. | Niles | IL | DC | 804 |
| The British Home 401(k) Plan | The British Home for Retired Men and Women | Brookfield | IL | DC | 186 |
| The Burke Group 401(k) Profit Sharing Plan | The Burke Group, Ltd. | Rosemont | IL | DC | 572 |
| The Cam Collective 401(k) Plan | Trowbridge Cam Holdings, Inc. | Chicago | IL | DC | 478 |
| The Capitol Group, Inc. 401(k) Plan | Capitol Group, Inc. | Springfield | IL | DC | 193 |
| The Catherine Cook School 403(b) Plan | The Catherine Cook School | Chicago | IL | DC | 192 |
| The Center Bargaining Unit Retirement Plan | Lester and Rosalie Anixter Center | Chicago | IL | DC | 123 |
| The Center for Youth and Family Solutions 401(k) Plan | The Center for Youth and Family Solutions | Peoria | IL | DC | 494 |
| The Chicago High School for the Arts 403(b) Plan | The Chicago High School for the Arts | Chicago | IL | DC | 153 |
| The Chicago Lighthouse Modified Defined Contribution Plan | The Chicago Lighthouse for People Who Are Blind Or Visually Impaired | Chicago | IL | DC | 831 |
| The Chicago Public Media, Inc. Tax-Deferred Annuity (Tda) Plan | Chicago Public Media, Inc. | Chicago | IL | DC | 321 |
| The Clarke Group, Inc. Cash Or Deferred Profit Sharing Plan | The Clarke Group, Inc. | St. Charles | IL | DC | 210 |
| The Colson Medical LLC Employees' Retirement Plan | Colson Medical LLC | Chicago | IL | DC | 1,786 |
| The Community Solution 403(b) Plan | TCS Education System | Chicago | IL | DC | 1,944 |
| The Cortina Companies Retirement Plan | The Cortina Companies | Franklin Park | IL | DC | 136 |
| The Cove School Retirement Plan | The Cove School, Inc. | Northbrook | IL | DC | 181 |
| The Cramer-Krasselt Profit SHARING/401(K) Plan | Cramer-Krasselt Co. | Chicago | IL | DC | 413 |
| The Custom Companies Retirement Savings Plan | The Custom Companies, Inc. | Northlake | IL | DC | 439 |
| The Darwill, Inc. Profit Sharing and Savings Plan | Darwill, Inc. | Hillside | IL | DC | 366 |
| The Doall Group Profit Sharing Plan | Doall Company | Vernon Hills | IL | DC | 710 |
| The Eli's Cheesecake Company 401(k) and Profit Sharing Plan | The Eli's Cheesecake Company | Chicago | IL | DC | 256 |
| The Employee 401(k) Retirement Plan - Keystone Consolidated Industries, Inc. | Keystone Consolidated Industries, Inc. | Peoria | IL | DC | 386 |
| The Ensono 401(k) Plan | Ensono, LP | Downers Grove | IL | DC | 1,788 |
| The Family Institute 403(b) Retirement Plan | The Family Institute at Northwestern University | Chicago | IL | DC | 352 |
| The Farmers Automobile Insurance Association Retirement Plan | Trustees, the Farmers Automobile Insurance Association | Pekin | IL | DB | 313 |
| The Fay Group 401(k) Plan | Ticg Holdings, LLC | Chicago | IL | DC | 881 |
| The Federal Savings Bank Retirement Plan | The Federal Savings Bank | Chicago | IL | DC | 1,444 |
| The Freightcar America, Inc. Pension Plan | Freightcar America, Inc. | Chicago | IL | DB | 181 |
| The Garlands of Barrington Retirement Savings Plan | The Garlands of Barrington, LLC | Barrington | IL | DC | 285 |
| The Glik Company 401(k) Plan | The Glik Company | Collinsville | IL | DC | 194 |
| The Goodheart-Willcox Company, Inc. 401(k) Plan and Trust | The Goodheart-Willcox Company, Inc. | Tinley Park | IL | DC | 203 |
| The Goodheart-Willcox Company, Inc. Employees' Profit Sharing and Stock Ownership Plan | The Goodheart-Willcox Company, Inc. | Tinley Park | IL | DC | 169 |
| The Gori Law Firm, PC 401(k) Plan | The Gori Law Firm, PC | Edwardsville | IL | DC | 223 |
| The Graycor Affiliates Profit Sharing & Employees' Salary Contribution Plan | Graycor Services L.L.C. | Oakbrook Terrace | IL | DC | 431 |
| The Green Family 401(k) Plan | Green Lincoln, Inc. | Springfield | IL | DC | 422 |
| The Gsi Group, LLC Corporate Savings Plan | The Gsi Group, LLC | Assumption | IL | DC | 1,232 |
| The Habitat Company Employees' Retirement & Savings Plan | The Habitat Company, LLC | Chicago | IL | DC | 449 |
| The Hari Group 401(k) Plan | Hari Donuts Batavia Inc. | Batavia | IL | DC | 391 |
| The Havi Group Limited Partnership Profit Sharing and Savings Plan | The Havi Group Limited Partnership | Chicago | IL | DC | 1,714 |
| The Hickory Farms Employee Savings and Retirement Plan | Hickory Farms, LLC | Chicago | IL | DC | 188 |
| The Hope 401(k) Retirement Savings Plan | Vision for Hope | Springfield | IL | DC | 613 |
| The Inland Group, LLC Savings Plan | The Inland Group, LLC | Oak Brook | IL | DC | 1,477 |
| The Innovation Group 401(k) Plan | Innovation Group North America, Inc. | Schaumburg | IL | DC | 167 |
| The Institute for the International Education of Students 403(b) Defined Contribution Retirement Plan | Institute for the International Education of Students | Chicago | IL | DC | 593 |
| The Intec Group, Inc. Profit Sharing and Incentive Savings Plan | The Intec Group, Inc. | Palatine | IL | DC | 101 |
| The International Association of Lions Clubs 401(k) Savings Plan | The International Association of Lions Clubs | Oak Brook | IL | DC | 469 |
| The Isaac Corporation Pension Plan Mmi 98 | Metal Management, Inc. | Chicago | IL | DB | 114 |
| The Joffrey Ballet 403(b) Retirement Plan | The Joffrey Ballet | Chicago | IL | DC | 150 |
| The Joint Commission Smart Saver 401(k) Plan | The Joint Commission | Oakbrook Terrace | IL | DC | 1,337 |
| The Knapheide Company 401(k) Retirement Savings Plan for Hourly Production Employees | The Knapheide Manufacturing Company | Quincy | IL | DC | 799 |
| The Knapheide Manufacturing Company 401(k) Cash Deferred Plan | The Knapheide Manufacturing Company | Quincy | IL | DC | 2,026 |
| The Lambs Farm Employee's Retirement Plan | The Lambs Farm, Inc. | Libertyville | IL | DC | 300 |
| The Lasalle Network 401(k) Plan | Lasalle Staffing, Inc. DBA Lasalle Network | Chicago | IL | DC | 489 |
| The Lee Manor 401(k) Plan | The Lee Manor | Naperville | IL | DC | 297 |
| The Libman Company Profit Sharing Plan and Trust | The Libman Company | Arcola | IL | DC | 880 |
| The Maschhoffs 401(k) Plan | The Maschhoffs | Carlyle | IL | DC | 1,000 |
| Themathcompany 401(k) Plan | Themathcompany | Chicago | IL | DC | 192 |
| The Mather Group 401(k) Plan | The Mather Group, LLC | Chicago | IL | DC | 235 |
| The McLeod Companies 401(k) Plan | McLeod Express, LLC | Decatur | IL | DC | 368 |
| The McShane Companies 401(k) and Profit Sharing Plan | The McShane Companies | Rosemont | IL | DC | 512 |
| The Members Retirement Plan | Trustees of the Members Retirement Plan | St. Charles | IL | DC | 31,309 |
| The Middleby Corporation Profit Sharing Plan | The Middleby Corporation | Elgin | IL | DC | 7,665 |
| The Mom Project 401(k) Plan | The Mom Project Inc. | Chicago | IL | DC | 225 |
| The Money Accumulation Plan of the Boler Company | The Boler Company | Schaumburg | IL | DC | 2,049 |
| The Morey Corporation 401(k) Profit Sharing Plan | The Morey Corporation | Woodridge | IL | DC | 346 |
| The Morse Group, Inc. 401(k) Deferred Compensation Plan | The Morse Group, Inc. | Freeport | IL | DC | 255 |
| The Morton Arboretum 401(k) Retirement Plan | The Morton Arboretum | Lisle | IL | DC | 526 |
| The National Football League Capital Accumulation Plan | Chicago Bears Football Club, Inc. | Lake Forest | IL | DC | 390 |
| The New York Blower Company Profit Sharing Plan and Trust | The New York Blower Company | Willowbrook | IL | DC | 710 |
| The Night Ministry 401(k) Employee Savings Plan and Trust | The Night Ministry | Chicago | IL | DC | 113 |
| The Northern Trust Company Thrift-Incentive Plan | The Northern Trust Company | Chicago | IL | DC | 14,565 |
| The Options Clearing Corporation Retirement Plan | The Options Clearing Corporation | Chicago | IL | DB | 126 |
| The Options Clearing Corporation Retirement Savings Plan | The Options Clearing Corporation | Chicago | IL | DC | 1,455 |
| The Orchestral Association Retirement Plan for Administrative Employees | The Orchestral Association | Chicago | IL | DB | 187 |
| The Orsini Group 401(k) | Orsini Pharmaceutical Services, LLC | Elk Grove Village | IL | DC | 433 |
| The Pampered Chef 401(k) Plan | The Pampered Chef, Ltd. | Addison | IL | DC | 447 |
| The Paper Tigers, Inc. Profit Sharing Plan | The Paper Tigers, Inc. | Schaumburg | IL | DC | 115 |
| The Partner Companies 401(k) Plan | The Partner Companies LLC | Chicago | IL | DC | 676 |
| The Pension Trust Estate for Shopmen's Local Union No. 473 | BD Trustees PN TR Estate Local 473 | Oak Brook | IL | DB | 960 |
| The Pepper Companies, Inc. Retirement and Savings Plan | The Pepper Companies, Inc. | Barrington | IL | DC | 1,134 |
| The Plexus Groupe LLC 401(k) Profit Sharing Plan | The Plexus Groupe LLC | Deer Park | IL | DC | 169 |
| The Plote Companies 401(k) Plan | Plote Construction, Inc. | Hoffman Estates | IL | DC | 208 |
| The Queen Casino & Entertainment Inc. 401(k) Plan | The Queen Casino & Entertainment Inc. | East Saint Louis | IL | DC | 1,006 |
| The Qumulus 401(k) Plan | Qsrsoft, LLC | Lombard | IL | DC | 172 |
| The Rabine Group 401(k) Profit Sharing Plan | Gar Construction, LLC | Schaumburg | IL | DC | 504 |
| The Ralph Korte Enterprises Profit-Sharing/thrift Plan | Korte Construction Company | Highland | IL | DC | 302 |
| The Rdi Group Retirement Savings Plan | The Rdi Group General Partnership | Itasca | IL | DC | 197 |
| The Republic of Tea, Inc./rubin Wines LLC 401(k) Plan | The Republic of Tea, Inc. | Nashville | IL | DC | 147 |
| The Restated Farm King Supply, Inc. Profit Sharing Plan and Trust | Farm King Supply, Inc. | Macomb | IL | DC | 166 |
| The Resurrection Project 403(b) Plan | The Resurrection Project | Chicago | IL | DC | 192 |
| The Retirement Income Plan for Employees of Ul LLC | Ul LLC | Northbrook | IL | DB | 1,978 |
| The Risk Management Association Pension Plan | Prosight Financial Association | Chicago | IL | DB | 131 |
| Thermoflex Corp. 401(k) Plan | Thermoflex Corp. | Waukegan | IL | DC | 831 |
| Thermoflex Corp. Employee Stock Ownership Plan | Thermoflex Corporation | Waukegan | IL | DC | 606 |
| Thermos L.L.C. Tax Reduction Investment Plan | Thermos L.L.C. | Schaumburg | IL | DC | 146 |
| The Roomplace Profit Sharing & Savings Plan | TRP Acquisition, Inc. | Lombard | IL | DC | 444 |
| The Salary Thrift Savings Plan for Employees of Lapham-Hickey Steel Corp. | Lapham-Hickey Steel Corp. | Bedford Park | IL | DC | 762 |
| The Salem Group 401(k) Plan | The Salem GROUP1 | Oakbrook Terrace | IL | DC | 492 |
| The Save Program for Employees of Viskase Companies, Inc. | Viskase Companies, Inc. | Lombard | IL | DC | 845 |
| The Second City 401(k) Plan | The Second City, Inc. | Chicago | IL | DC | 505 |
| The Sedona Group Retirement Plan | The Sedona Group, Ltd. | Moline | IL | DC | 298 |
| The Society of Thoracic Surgeons 401(k) Retirement Plan | The Society of Thoracic Surgeons | Chicago | IL | DC | 109 |
| The Sureway Group 401(k) Plan | Sureway Group, Inc. | Franklin Park | IL | DC | 128 |
| The Suter Company Employees' Savings & Retirement Plan | The Suter Company, Inc. | Sycamore | IL | DC | 416 |
| The Suter Company, Inc. Employee Stock Ownership Plan | The Suter Company, Inc. | Sycamore | IL | DC | 322 |
| The Synectics Inc. Investment Savings Retirement Plan | Synectics Inc. | Chicago | IL | DC | 194 |
| The Thesholds and Affiliates Tax Sheltered Annuity and Savings Plan | The Thresholds | Chicago | IL | DC | 1,868 |
| The Tsi 401(k) Retirement Savings Plan | Transworld Systems Inc. | Lake Forest | IL | DC | 5,590 |
| The University of Chicago Contributory Retirement Plan | The University of Chicago | Chicago | IL | DC | 10,931 |
| The University of Chicago Medical Center Contributory Retirement Plan | The University of Chicago Medical Center | Chicago | IL | DC | 2,533 |
| The University of Chicago Medical Center Retirement Income Plan for Employees | The University of Chicago Medical Center | Chicago | IL | DC | 14,077 |
| The University of Chicago Medical Center Supplemental Retirement Annuity Plan | The University of Chicago Medical Center | Chicago | IL | DC | 14,004 |
| The University of Chicago Pension Plan for Staff Employees | The University of Chicago | Chicago | IL | DB | 9,720 |
| The University of Chicago Retirement Income Plan | The University of Chicago | Chicago | IL | DB | 18,531 |
| The University of Chicago Supplemental Retirement Plan | The University of Chicago | Chicago | IL | DC | 13,359 |
| The Visual Pak Companies 401(k) Plan | Visual Pak Company | Waukegan | IL | DC | 481 |
| The Voyage Senior Living 401(k) Plan | The Voyage Senior Living | Marion | IL | DC | 168 |
| The Weber-Stephen Products LLC 401(k) Incentive Savings Plan | Weber-Stephen Products LLC | Palatine | IL | DC | 1,546 |
| The Wilber Group 401(k) Retirement Plan | Wilber & Associates PC | Normal | IL | DC | 235 |
| The Will Group Profit Sharing Plan | The Will Group, Inc. | Wheaton | IL | DC | 146 |
| TH Foods, Inc. 401(k) Plan | TH Foods, Inc. | Loves Park | IL | DC | 699 |
| THK America, Inc. Retirement Plan | THK America, Inc. | Schaumburg | IL | DC | 173 |
| Thoma Bravo 401(k) Plan | Thoma Bravo, L.P. | Chicago | IL | DC | 250 |
| Thorek Memorial Hospital 401(k) Plan | Thorek Memorial Hospital | Chicago | IL | DC | 636 |
| Thoughtworks, Inc. 401(k) Plan | Thoughtworks, Inc. | Chicago | IL | DC | 1,379 |
| Thouvenot, Wade, Moerchen, Inc. Employee Stock Ownership Plan | Thouvenot, Wade & Moerchen, Inc. | Swansea | IL | DC | 149 |