| Ernst & Young U.S. LLP | Secaucus, NJ | 2,909 |
| Cognizant Technology Solutions US Corp | College Station, TX | 2,626 |
| Capgemini America Inc | Chicago, IL | 1,983 |
| Grandison Management, Inc. | Howell, NJ | 1,832 |
| Tata Consultancy Services Limited | Rockville, MD | 1,748 |
| DFS Corporate Services LLC | Riverwoods, IL | 1,707 |
| University of Illinois | Urbana, IL | 1,522 |
| The University of Chicago | Chicago, IL | 1,138 |
| Caterpillar Inc. | Irving, TX | 1,065 |
| Infosys Limited | Richardson, TX | 985 |
| Rivian Automotive, LLC | Irvine, CA | 886 |
| Medline Industries, LP. | Northfield, IL | 884 |
| Northwestern University | Evanston, IL | 836 |
| Accenture LLP | Chicago, IL | 797 |
| Deloitte Consulting LLP | Philadelphia, PA | 753 |
| Discover Products Inc | Riverwoods, IL | 656 |
| Abbvie Inc. | North Chicago, IL | 562 |
| Deere & Company | Moline, IL | 530 |
| Htc Global Services Inc. | Troy, MI | 514 |
| JPMorgan Chase & Co. | Chicago, IL | 509 |
| The Northern Trust Company | Chicago, IL | 497 |
| IBM Corporation | Durham, NC | 490 |
| UChicago Argonne LLC | Lemont, IL | 429 |
| Pricewaterhousecoopers Advisory Services LLC | Tampa, FL | 418 |
| Google LLC | Mountain View, CA | 363 |
| Bitwise Inc. | Schaumburg, IL | 332 |
| The Boston Consulting Group, Inc. | Boston, MA | 323 |
| HCL America Inc | Santa Clara, CA | 311 |
| Compunnel Software Group, Inc | Plainsboro, NJ | 309 |
| Capital One Services, LLC | Richmond, VA | 290 |
| Northwestern Memorial HealthCare | Chicago, IL | 290 |
| OSF Healthcare System | Peoria, IL | 286 |
| Deloitte & Touche LLP | Philadelphia, PA | 285 |
| Wipro Limited | East Brunswick, NJ | 272 |
| Yash Technologies, Inc | East Moline, IL | 267 |
| TransUnion LLC | Chicago, IL | 265 |
| Fermi Research Alliance, LLC | Batavia, IL | 246 |
| Zurich American Insurance Company | Schaumburg, IL | 245 |
| Motorola Solutions, Inc. | Chicago, IL | 242 |
| Abbott Laboratories | Chicago, IL | 242 |
| Health Care Service Corporation | Chicago, IL | 240 |
| Deloitte Tax LLP | Philadelphia, PA | 239 |
| McKinsey & Company, Inc. United States | New York, NY | 237 |
| PayPal, Inc. | San Jose, CA | 235 |
| Rush University Medical Center | Chicago, IL | 235 |
| Hexaware Technologies, Inc. | Iselin, NJ | 221 |
| Fermi Forward Discovery Group, LLC | Batavia, IL | 220 |
| OSF Multi-Specialty Group | Peoria, IL | 220 |
| CCC Intelligent Solutions, Inc | Chicago, IL | 220 |
| Amazon.com Services LLC | Seattle, WA | 219 |
| United Methodist Homes & Services | Chicago, IL | 200 |
| Marvelous Technologies Inc | Gurnee, IL | 198 |
| Akuna Capital, LLC | Chicago, IL | 194 |
| ZS Associates, Inc. | Evanston, IL | 188 |
| Grainger Management LLC | Lake Forest, IL | 188 |
| Egen Solutions LLC. | Naperville, IL | 186 |
| McDonald's Corporation | Chicago, IL | 186 |
| L&T Technology Services Limited | Edison, NJ | 181 |
| Microsoft Corporation | Redmond, WA | 179 |
| Amazon Web Services, Inc. | Seattle, WA | 179 |
| Salesforce, Inc. | San Francisco, CA | 172 |
| The Options Clearing Corporation | Chicago, IL | 169 |
| Tech Mahindra (Americas), Inc | Bedminster, NJ | 169 |
| A.T. Kearney, Inc. | Chicago, IL | 167 |
| Elevance Health, Inc. | Indianapolis, IN | 165 |
| Expedia, Inc. | Seattle, WA | 159 |
| Chicago Public Schools | Chicago, IL | 154 |
| Southern Illinois University Carbondale | Carbondale, IL | 148 |
| Mphasis Corporation | New York, NY | 147 |
| CNH Industrial America LLC | Racine, WI | 146 |
| Caremark LLC | Woonsocket, RI | 145 |
| Illinois State University | Normal, IL | 142 |
| POLMAX LLC dba Experior Transport | Alsip, | 140 |
| GlobalLogic Inc. | Santa Clara, CA | 135 |
| CTC Trading Group, LLC | Chicago, IL | 135 |
| Chicago Mercantile Exchange Inc. | Chicago, IL | 135 |
| LTIMindtree Limited | Edison, NJ | 131 |
| L&t Technology Services LLC | Edison, NJ | 130 |
| Cisco Systems, Inc. | San Jose, CA | 130 |
| Huron Consulting Services, LLC | Chicago, IL | 129 |
| University of Chicago Medical Center | Chicago, IL | 126 |
| Archer Daniels Midland Company | Decatur, IL | 124 |
| Cook County Health | Chicago, IL | 122 |
| Loyola University Chicago | Chicago, IL | 120 |
| Lawrence Foods, Inc. | Elk Grove Village, IL | 118 |
| CIBC Bank USA | New York, NY | 117 |
| CVS Pharmacy Inc. | Woonsocket, RI | 116 |
| KPMG LLP | Dallas, TX | 116 |
| DRW Holdings, LLC | Chicago, IL | 116 |
| W.W. Grainger, Inc. | Lake Forest, IL | 113 |
| Grainger Corporate Services LLC | Lake Forest, IL | 113 |
| IMC Americas, Inc. | Chicago, IL | 112 |
| Avant, LLC | Chicago, IL | 112 |
| U.S. Bank National Association | Minneapolis, MN | 109 |
| Morningstar, Inc. | Chicago, IL | 109 |
| SkyWest Airlines | Saint George, UT | 107 |
| Capital One, National Association | Richmond, VA | 106 |
| Lineage Logistics Services, LLC | Irvine, CA | 105 |
| Ulta, Inc. | Bolingbrook, IL | 104 |
| Tempus AI | Chicago, IL | 104 |
| The Chamberlain Group LLC | Oak Brook, IL | 103 |
| Continental Casualty Company | Chicago, IL | 102 |
| Northern Illinois University | DeKalb, IL | 102 |
| DePaul University | Chicago, IL | 102 |
| Navistar, Inc. | Lisle, IL | 102 |
| Polar Operations LLC | Chicago, IL | 100 |
| Eguru Solution, LLC | Inverness, IL | 100 |
| SAP America, Inc. | Newtown Square, PA | 99 |
| Optiver Services US LLC | Chicago, IL | 99 |
| GDI Services Inc. | Southfield, MI | 99 |
| UST Global Inc | Aliso Viejo, CA | 98 |
| Molex, LLC | Lisle, IL | 97 |
| Circana, LLC | Chicago, IL | 97 |
| Bank Of America N.A. | Charlotte, NC | 96 |
| Arthur J. Gallagher Service Company, LLC | Rolling Meadows, IL | 95 |
| Vistex, Inc. | Hoffman Estates, IL | 93 |
| Skilltune Technologies Inc | North Brunswick, NJ | 92 |
| Automotive Robotics Incorporated | East Peoria, IL | 92 |
| Slk America Inc | Cincinnati, OH | 92 |
| Discover Bank | Riverwoods, IL | 92 |
| HERE North America, LLC | Chicago, IL | 91 |
| Serenity Home Healthcare | Niles, IL | 91 |
| Charles Schwab & Company, Inc. | Westlake, TX | 90 |
| Mygo Consulting Inc. | Naperville, IL | 90 |
| Groupon, Inc. | Chicago, IL | 90 |
| Cyberbridge International, Inc. d/b/a Creospan, Inc. | Schaumburg,, IL | 89 |
| Innovative Consulting Solutions LLC | Schaumburg, IL | 89 |
| Oracle America, Inc. | Austin, TX | 89 |
| Verinon Technology Solutions Ltd | Arlington Heights, IL | 89 |
| Radix Trading, LLC | Chicago, IL | 89 |
| Motorola Mobility LLC | Chicago, IL | 88 |
| Illinois Institute of Technology | Chicago, IL | 88 |
| Grubhub Holdings Inc. | Chicago, IL | 88 |
| CC Services, Inc. | Bloomington, IL | 87 |
| Americloud Solutions, Inc | Schaumburg, IL | 86 |
| Abbvie US LLC | North Chicago, IL | 85 |
| Citibank, N.A. | New York, NY | 85 |
| HCL America Inc | Sunnyvale, CA | 84 |
| Ann & Robert H. Lurie Children's Hospital of Chicago | Chicago, IL | 83 |
| Grant Thornton LLP | Chicago, IL | 83 |
| Epitec, Inc. | Southfield, MI | 82 |
| TheMathCompany, Inc. | Chicago, IL | 81 |
| Wintrust Financial Corporation | Rosemont, IL | 80 |
| State Farm Mutual Automobile Insurance Company | Bloomington, IL | 80 |
| Ge Healthcare Iits USA Corporation | Waukesha, WI | 79 |
| West Wind Express, Inc. | Bedford Park, IL | 79 |
| Randstad Digital, LLC | Woburn, MA | 78 |
| Optum Services, Inc. | Eden Prairie, MN | 78 |
| Genpact LLC | Short Hills, NJ | 78 |
| Ul LLC | Northbrook, IL | 78 |
| Jones Lang LaSalle Americas, Inc. | Chicago, IL | 78 |
| Aperion Care Elgin, LLC | Elgin, IL | 78 |
| Resilience Healthcare Chicago Graduate Education Foundation | Oak Park, IL | 77 |
| Carle Health Care, Incorporated | Champaign, IL | 76 |
| Shure Incorporated | Niles, IL | 76 |
| Vistaltech Inc | Buffalo Grove, IL | 75 |
| DFS Services LLC | Riverwoods, IL | 75 |
| Commonwealth Edison, An Exelon Company | Kennett Square, PA | 75 |
| Bain & Company, Inc. | Boston, MA | 75 |
| Virtusa Corporation | Southborough, MA | 74 |
| Populus Group LLC | Troy, MI | 74 |
| ServiceNow, Inc. | Santa Clara, CA | 74 |
| Beyond Finance LLC | Houston, TX | 74 |
| Relativity ODA LLC | Chicago, IL | 73 |
| Headstrong Services LLC | Short Hills, NJ | 72 |
| LexisNexis Risk Solutions FL, Inc. | Alpharetta, GA | 72 |
| BlueCross and BlueShield Association | Chicago, IL | 71 |
| Pricewaterhousecoopers LLP | Tampa, FL | 71 |
| Krasan Consulting Services, Inc. | Chicago, IL | 71 |
| Jump Operations, LLC | Chicago, IL | 71 |
| Cintal, Inc. | Peoria, IL | 70 |
| Kforce Inc. | Tampa, FL | 70 |
| DocuSign Inc. | San Francisco, CA | 70 |
| Southern Illinois Medical Services | Carbondale, IL | 70 |
| Sumeru Technologies LLC | Lisle, IL | 70 |
| Hyatt Corporation | Chicago, IL | 70 |
| Safe Code Soft Technologies Inc | Cedar Park, TX | 70 |
| Nielsen Consumer LLC | Chicago, IL | 69 |
| Wolters Kluwer United States Inc. | Riverwoods, IL | 69 |
| Gannu Software Inc | Schaumburg, IL | 69 |
| Citadel Securities Americas Services LLC | Miami, FL | 69 |
| Infinite Computer Solutions, Inc. | Rockville, MD | 69 |
| Walgreen Co. | Deerfield, IL | 69 |
| Enova Financial Holdings, LLC | Chicago, IL | 69 |
| ValueLabs, Inc. | Chicago, IL | 68 |
| Beneficial Tech Services, Inc | West Chicago, IL | 68 |
| Focus Core Inc | Hoffman Estates, IL | 67 |
| Uline, Inc. | Pleasant Prairie, WI | 67 |
| Diversified Services Network, Inc. | Naperville, IL | 66 |
| Ajinomoto Foods North America, Inc | Ontario, CA | 66 |
| Intellectt, Inc. | Iselin, NJ | 65 |
| Royal Cyber Inc | Naperville, IL | 65 |
| Zebra Technologies Corporation | Lincolnshire, IL | 65 |
| Photon Infotech, Inc. | Dallas, TX | 64 |
| Epsilon Data Management LLC | Irving, TX | 64 |
| Kraft Foods Group Brands LLC | Pittsburgh, PA | 64 |
| United Nursing Services, LLC | Chicago, IL | 63 |
| Gotion Illinois New Energy Inc. | Manteno, IL | 62 |
| Ice Clear Credit LLC | Atlanta, GA | 62 |
| Trinity Medical Center | Rock Island, IL | 61 |
| Harvey Nash Inc. | Franklin, TN | 61 |
| Blackbuck Insights LLC | Schaumburg, IL | 61 |
| Servotech Inc. | Chicago, IL | 61 |
| Team TAG Services, LLC | East Syracuse, NY | 61 |
| Onward Technologies, Inc | Rosemont, IL | 61 |
| Tek Labs, Inc. | Farmington Hills, MI | 60 |
| Chicago Mercantile Exchange | Chicago, IL | 60 |
| Atos Syntel Inc | Troy, MI | 60 |
| Maxil Technology Solutions, Inc. | Oak Brook, IL | 60 |
| Svanaco, Inc. | Des Plaines, IL | 60 |
| Savvy Info Systems Inc | Schaumburg, IL | 59 |
| Aspire Systems Digital Transformation Inc. | Oak Brook, IL | 59 |
| Crowe, LLP | Chicago, IL | 59 |
| Gamma Technologies LLC | Westmont, IL | 59 |
| Cdw LLC | Vernon Hills, IL | 59 |
| Team Belvedere, LLC | Chicago, IL | 58 |
| Global Infotech Inc | Schaumburg, IL | 58 |
| Skidmore, Owings & Merrill LLP | New York, NY | 58 |
| Axiom Group LLC | Bloomingdale, IL | 58 |
| Redmane Technology LLC | Chicago, IL | 57 |
| BMO Bank N.A. | Chicago, IL | 57 |
| Meta Platforms, Inc | Menlo Park, CA | 57 |
| AdvanSoft International Inc | Arlington Heights, IL | 57 |
| McGaw Medical Center of Northwestern University | Chicago, IL | 57 |
| NVIDIA Corporation | Santa Clara, CA | 56 |
| Msr Technology Group LLC | Wilmington, DE | 56 |
| SRK Systems Inc | Naperville, IL | 56 |
| Axiscades Inc | Peoria, IL | 56 |
| Wavicle Data Solutions, LLC | Oak Brook, IL | 56 |
| Hub Group, Inc. | Oak Brook, IL | 55 |
| CitiusTech Inc. | Princeton, NJ | 55 |
| VirtuSense Technologies, Inc. | Peoria, IL | 55 |
| Stantec Consulting Services Inc. | Denver, CO | 54 |
| iManage LLC | Chicago, IL | 54 |
| The Most Group, Inc. | Aurora, IL | 54 |
| Zensar Technologies, Inc. | Chicago, IL | 54 |
| SupraSoft, Inc. | Schaumburg, IL | 53 |
| HR Pundits Inc. | Schaumburg, IL | 53 |
| Coforge Limited | Princeton, NJ | 53 |
| Uop LLC | Charlotte, NC | 53 |
| Citadel Americas Services LLC | Miami, FL | 53 |
| RP Restaurant, LLC | Chicago, IL | 53 |
| Fresenius Kabi USA, LLC | Lake Zurich, IL | 52 |
| Flextronics International USA, Inc. | San Jose, CA | 52 |
| Sunrise Futures, LLC | Chicago, IL | 52 |
| Ibase Operations Corp. | Chicago, IL | 52 |
| Restaurant Holdings, L.L.C. | Chicago, IL | 52 |
| Uber Technologies, Inc. | San Francisco, CA | 51 |
| V-Soft Consulting Group, INC | Louisville, KY | 51 |
| Fitch Ratings, Inc. | New York, NY | 51 |
| StoneX Group Inc. | New York, NY | 51 |
| O'Keefe Restaurant Systems, Inc. | Elk Grove Village, IL | 51 |
| Sbas IT Systems Inc | Dallas, TX | 51 |
| Safe Code Soft Technologies Inc | Austin, TX | 51 |
| CGI Technologies and Solutions Inc. | Fairfax, VA | 50 |
| Danfoss, LLC | Baltimore, MD | 50 |
| CVS Shared Services Resources LLC | Woonsocket, RI | 50 |
| Exusia, Inc. | Miami, FL | 50 |
| GAC Solutions Inc | Schaumburg, IL | 50 |
| Hamilton Sundstrand Corporation | Windsor Locks, CT | 50 |
| Network Objects, Inc. | Plano, TX | 49 |
| United Airlines, Inc. | Chicago, IL | 49 |
| Nokia of America Corporation | Murray Hill, NJ | 49 |
| Jackson Park Hospital Foundation | Chicago, IL | 49 |
| Binary Tech Consulting Corp | Naperville, IL | 49 |
| Advocate Health and Hospitals Corporation | Oak Brook, IL | 48 |
| Traton R&D US LLC | Lisle, IL | 48 |
| Siritek Inc | Rolling Meadows, IL | 48 |
| Neosis IT Solutions LLC | Hanover Park, IL | 48 |
| Robot Insight Technologies | Rolling Meadows, IL | 48 |
| Synchrony Bank | Stamford, CT | 48 |
| Arv Systems Inc | Bloomington, IL | 48 |
| Staples, Inc. | Framingham, MA | 47 |
| Rehabilitation Institute of Chicago | Chicago, IL | 47 |
| Genesis Health System | Davenport, IA | 47 |
| Zion Cloud Solutions LLC | Glenview, IL | 47 |
| WSP USA Inc. | New York, NY | 46 |
| Amdocs, Inc. | St. Louis, MO | 46 |
| Insurance Auto Auctions, Inc. | Westchester, IL | 46 |
| Milliman, Inc. | Chicago, IL | 46 |
| Comcast Cable Communications, LLC | Philadelphia, PA | 46 |
| Dataedge, Inc | Itasca, IL | 46 |
| Mercator Global Logistics LLC | Elk Grove Village, IL | 46 |
| Synapsis Inc | Springfield, IL | 46 |
| Ispero LLC | Arlington Heights, IL | 46 |
| Robert Bosch LLC | Farmington Hills, MI | 45 |
| Horizon Therapeutics USA, Inc. | Deerfield, IL | 45 |
| Thoughtline Technologies Inc | Lake in the Hills, IL | 45 |
| eTek IT Services Inc | Schaumburg, IL | 45 |
| HCL Global Systems Inc | Farmington Hills, MI | 44 |
| Biztegy Analytics, Inc | Arlington Heights, IL | 44 |
| Krdl USA, Inc | Lincolnshire, IL | 44 |
| North Chicago Community Unit School District 187 | North Chicago, IL | 43 |
| Tata Technologies, Inc. | Detroit, MI | 43 |
| Kalven Technologies Inc. | Schaumburg, IL | 43 |
| Western Illinois University | Macomb, IL | 43 |
| Robotics Technologies LLC | Mccook, NE | 43 |
| Augmented Reality Technologies LLC | Duncanville, TX | 43 |
| CA, Inc. | Palo Alto, CA | 43 |
| CSL Behring L.L.C. | King of Prussia, PA | 43 |