| Enterprise Rent-A-Car | 
        5237 | 
      
      
        | Deloitte | 
        5000 | 
      
      
        | EY | 
        4300 | 
      
      
        | Hertz | 
        4200 | 
      
      
        | The Progressive Corporation | 
        3800 | 
      
      
        | KPMG LLP | 
        3600 | 
      
      
        | PwC | 
        3600 | 
      
      
        | Epic | 
        3500 | 
      
      
        | Raytheon Company | 
        3350 | 
      
      
        | The Sherwin-Williams Company | 
        3000 | 
      
      
        | Revature | 
        2900 | 
      
      
        | Federal Bureau of Investigation | 
        2800 | 
      
      
        | Bank of America | 
        2500 | 
      
      
        | Avis Budget Group | 
        2000 | 
      
      
        | Google LLC | 
        2000 | 
      
      
        | TATA Consultancy Services Ltd. | 
        2000 | 
      
      
        | U.S. Customs and Border Protection | 
        2000 | 
      
      
        | Vanguard | 
        2000 | 
      
      
        | Amazon.com | 
        1900 | 
      
      
        | Insight Global | 
        1500 | 
      
      
        | National Security Agency | 
        1500 | 
      
      
        | The PNC Financial Services Group | 
        1500 | 
      
      
        | Total Quality Logistics | 
        1500 | 
      
      
        | Intel | 
        1400 | 
      
      
        | Sodexo | 
        1350 | 
      
      
        | Chevron | 
        1300 | 
      
      
        | Dell | 
        1300 | 
      
      
        | MGM Resorts International | 
        1300 | 
      
      
        | Walmart Stores, Inc. | 
        1300 | 
      
      
        | Southwest Airlines | 
        1250 | 
      
      
        | Cigna | 
        1200 | 
      
      
        | Microsoft | 
        1200 | 
      
      
        | Travelers | 
        1200 | 
      
      
        | Lockheed Martin Corporation | 
        1150 | 
      
      
        | Burns & McDonnell | 
        1000 | 
      
      
        | Finish Line | 
        1000 | 
      
      
        | United States Air Force | 
        1000 | 
      
      
        | United States Department of Labor | 
        1000 | 
      
      
        | U.S. Department of State | 
        1000 | 
      
      
        | R1 RCM | 
        980 | 
      
      
        | C.H. Robinson Worldwide | 
        950 | 
      
      
        | Fastenal | 
        940 | 
      
      
        | Staples | 
        925 | 
      
      
        | BDO USA, LLP | 
        900 | 
      
      
        | Mutual of Omaha Insurance Company | 
        900 | 
      
      
        | Aerotek | 
        850 | 
      
      
        | State Street Corporation | 
        825 | 
      
      
        | RSM US LLP | 
        815 | 
      
      
        | American Express | 
        800 | 
      
      
        | Carahsoft Technology Corp. | 
        800 | 
      
      
        | LabCorp | 
        780 | 
      
      
        | Thryv, Inc. | 
        775 | 
      
      
        | Accenture | 
        750 | 
      
      
        | Aflac | 
        725 | 
      
      
        | Apple Inc. | 
        700 | 
      
      
        | Cardinal Health | 
        700 | 
      
      
        | Northrop Grumman | 
        700 | 
      
      
        | New York Life Insurance Company | 
        645 | 
      
      
        | Kohl's Department Stores | 
        625 | 
      
      
        | The Northwestern Mutual Life Insurance Company | 
        620 | 
      
      
        | U.S. Forest Service | 
        611 | 
      
      
        | Motorola | 
        600 | 
      
      
        | Cummins Inc. | 
        575 | 
      
      
        | GEICO | 
        575 | 
      
      
        | BearingPoint | 
        560 | 
      
      
        | Boy Scouts of America | 
        550 | 
      
      
        | Defense Contract Audit Agency | 
        550 | 
      
      
        | Fidelity Investments | 
        550 | 
      
      
        | Procter & Gamble | 
        550 | 
      
      
        | United States Patent and Trademark Office | 
        525 | 
      
      
        | AT&T | 
        500 | 
      
      
        | FactSet Research Systems Inc. | 
        500 | 
      
      
        | Liberty Mutual Insurance | 
        500 | 
      
      
        | Micron Technology, Inc. | 
        500 | 
      
      
        | Turner Construction | 
        500 | 
      
      
        | CGI | 
        476 | 
      
      
        | Grant Thornton LLP | 
        475 | 
      
      
        | Mattress Firm | 
        460 | 
      
      
        | Steak ‘n Shake | 
        460 | 
      
      
        | Caterpillar | 
        450 | 
      
      
        | Gartner, Inc. | 
        450 | 
      
      
        | SkillStorm | 
        450 | 
      
      
        | NAVAIR | 
        438 | 
      
      
        | Mercury Insurance | 
        430 | 
      
      
        | Fluor Corporation | 
        425 | 
      
      
        | Fund for the Public Interest | 
        425 | 
      
      
        | ExxonMobil | 
        415 | 
      
      
        | PLS Logistics Services | 
        410 | 
      
      
        | Compass Group North America | 
        400 | 
      
      
        | Genentech | 
        400 | 
      
      
        | Pennsylvania Department of Human Services | 
        400 | 
      
      
        | TEKsystems | 
        400 | 
      
      
        | Woodloch Resorts | 
        400 | 
      
      
        | 84 Lumber Company | 
        385 | 
      
      
        | The Hartford | 
        380 | 
      
      
        | Black & Veatch | 
        376 | 
      
      
        | Capgemini | 
        375 | 
      
      
        | Crowe LLP | 
        375 | 
      
      
        | Bechtel Corporation | 
        370 | 
      
      
        | Graybar Electric Company, Inc. | 
        370 | 
      
      
        | Schlumberger | 
        360 | 
      
      
        | Aetna | 
        350 | 
      
      
        | Arcadis | 
        350 | 
      
      
        | Echo Global Logistics | 
        350 | 
      
      
        | T. Rowe Price | 
        350 | 
      
      
        | Johnson & Johnson | 
        340 | 
      
      
        | Shoney’s North America, LLC | 
        330 | 
      
      
        | Intuit | 
        320 | 
      
      
        | Pearson Education | 
        320 | 
      
      
        | HP | 
        315 | 
      
      
        | NAVSEA | 
        315 | 
      
      
        | Beacon Hill Staffing Group | 
        300 | 
      
      
        | CIT | 
        300 | 
      
      
        | Ford Motor Company | 
        300 | 
      
      
        | Macy's, Inc. | 
        300 | 
      
      
        | NewDay USA | 
        285 | 
      
      
        | Tyson Foods | 
        285 | 
      
      
        | Sandia National Laboratories | 
        280 | 
      
      
        | Crotched Mountain | 
        275 | 
      
      
        | Cypress Semiconductor | 
        275 | 
      
      
        | Hilti | 
        275 | 
      
      
        | NetCom Learning | 
        275 | 
      
      
        | Principal Financial Group | 
        275 | 
      
      
        | Cargill | 
        270 | 
      
      
        | Los Alamos National Laboratory | 
        270 | 
      
      
        | United States Steel Corporation | 
        270 | 
      
      
        | Dyson | 
        265 | 
      
      
        | Konica Minolta Business Solutions, U.S.A., Inc. | 
        260 | 
      
      
        | General Electric | 
        250 | 
      
      
        | Health Carousel | 
        250 | 
      
      
        | John Deere | 
        250 | 
      
      
        | Johns Hopkins University Applied Physics Laboratory | 
        250 | 
      
      
        | USDA Food Safety and Inspection Service | 
        250 | 
      
      
        | Defense Finance and Accounting Service | 
        240 | 
      
      
        | Freddie Mac | 
        230 | 
      
      
        | Insight | 
        230 | 
      
      
        | New England Center for Children | 
        225 | 
      
      
        | SEI | 
        225 | 
      
      
        | KBR | 
        220 | 
      
      
        | HDR, Inc. | 
        215 | 
      
      
        | J. C. Penney Company, Inc. | 
        210 | 
      
      
        | Hormel Foods Corporation | 
        207 | 
      
      
        | Adobe Systems | 
        200 | 
      
      
        | Advanced Micro Devices | 
        200 | 
      
      
        | The Advisory Board Company | 
        200 | 
      
      
        | FedEx | 
        200 | 
      
      
        | International Paper | 
        200 | 
      
      
        | Progress Residential | 
        200 | 
      
      
        | Prudential Financial, Inc. | 
        200 | 
      
      
        | Honeywell | 
        195 | 
      
      
        | Archer Daniels Midland | 
        190 | 
      
      
        | Synovus Financial Corp. | 
        190 | 
      
      
        | Texas Parks and Wildlife Department | 
        190 | 
      
      
        | Abbott | 
        185 | 
      
      
        | Altria Group | 
        185 | 
      
      
        | Oxford Global Resources | 
        185 | 
      
      
        | Qualcomm | 
        185 | 
      
      
        | BAE Systems | 
        180 | 
      
      
        | Ferguson | 
        180 | 
      
      
        | Collabera | 
        176 | 
      
      
        | American Yacht Institute | 
        175 | 
      
      
        | Integrated Deicing Services | 
        175 | 
      
      
        | Alcoa | 
        165 | 
      
      
        | Viasat | 
        165 | 
      
      
        | Westinghouse Electric Company | 
        160 | 
      
      
        | CDM Smith | 
        150 | 
      
      
        | Eight Eleven | 
        150 | 
      
      
        | E. & J. Gallo Winery | 
        150 | 
      
      
        | Esri | 
        150 | 
      
      
        | Florida Highway Patrol | 
        150 | 
      
      
        | Melmark, Inc. | 
        150 | 
      
      
        | SS&C Technologies, Inc. | 
        150 | 
      
      
        | CBIZ | 
        148 | 
      
      
        | Ecolab | 
        145 | 
      
      
        | Exelon Corporation | 
        140 | 
      
      
        | HSBC Bank USA, N.A. | 
        140 | 
      
      
        | Office of the Comptroller of the Currency | 
        140 | 
      
      
        | Federal Deposit Insurance Corporation | 
        135 | 
      
      
        | Thomson Reuters | 
        135 | 
      
      
        | U.S. Bureau of Reclamation | 
        135 | 
      
      
        | Collins Aerospace | 
        130 | 
      
      
        | Nestlé Purina PetCare Company | 
        128 | 
      
      
        | Hyatt Hotels Corporation | 
        125 | 
      
      
        | ICF | 
        125 | 
      
      
        | JELD-WEN | 
        120 | 
      
      
        | North Star Resource Group | 
        120 | 
      
      
        | RS&H | 
        120 | 
      
      
        | NextEra Energy, Inc. | 
        115 | 
      
      
        | Orano | 
        115 | 
      
      
        | bisco industries, Inc. | 
        110 | 
      
      
        | ChaseSource | 
        110 | 
      
      
        | Kearney & Company | 
        110 | 
      
      
        | Publicis Health | 
        110 | 
      
      
        | Verizon | 
        106 | 
      
      
        | Amica Mutual Insurance Co. | 
        100 | 
      
      
        | BP | 
        100 | 
      
      
        | Eaton | 
        100 | 
      
      
        | Entergy Corporation | 
        100 | 
      
      
        | Grassroots Campaigns, Inc. | 
        100 | 
      
      
        | GreenPath Financial Wellness | 
        100 | 
      
      
        | Grimco, Inc. | 
        100 | 
      
      
        | HNTB Corporation | 
        100 | 
      
      
        | HOM Furniture | 
        100 | 
      
      
        | JLL | 
        100 | 
      
      
        | Marriott International, Inc. | 
        100 | 
      
      
        | Mercer | 
        100 | 
      
      
        | Meta | 
        100 | 
      
      
        | Milliken | 
        100 | 
      
      
        | Nationwide Mutual Insurance | 
        100 | 
      
      
        | Nokia | 
        100 | 
      
      
        | Penske Truck Leasing | 
        100 | 
      
      
        | Tennessee Valley Authority | 
        100 | 
      
      
        | U.S. PIRG | 
        100 | 
      
      
        | Xilinx | 
        100 | 
      
      
        | TransPerfect | 
        98 | 
      
      
        | Farmers Insurance Group | 
        95 | 
      
      
        | Foresters Financial Services, Inc. | 
        95 | 
      
      
        | Spirit AeroSystems, Inc. | 
        95 | 
      
      
        | Unum | 
        95 | 
      
      
        | Xerox | 
        95 | 
      
      
        | Weyerhaeuser | 
        92 | 
      
      
        | ALKU | 
        90 | 
      
      
        | Avaya | 
        90 | 
      
      
        | Eckerd Kids | 
        90 | 
      
      
        | Genworth Financial, Inc. | 
        90 | 
      
      
        | Germain Motor Company | 
        90 | 
      
      
        | Jos. A. Bank Clothiers, Inc. | 
        90 | 
      
      
        | Lexmark International, Inc. | 
        90 | 
      
      
        | Lutron Electronics | 
        90 | 
      
      
        | The Old Spaghetti Factory | 
        90 | 
      
      
        | The J.G. Wentworth Company | 
        85 | 
      
      
        | Southern Company | 
        85 | 
      
      
        | Acuity | 
        80 | 
      
      
        | Eliassen Group | 
        80 | 
      
      
        | Gap Inc. | 
        80 | 
      
      
        | Neon Logistics | 
        80 | 
      
      
        | UHY Advisors | 
        80 | 
      
      
        | Whirlpool Corporation | 
        80 | 
      
      
        | ORAU | 
        76 | 
      
      
        | Citizen Schools | 
        75 | 
      
      
        | CPS Energy | 
        75 | 
      
      
        | Florida Blue | 
        75 | 
      
      
        | Lowe's | 
        75 | 
      
      
        | Meritor | 
        75 | 
      
      
        | Shell Oil Company | 
        75 | 
      
      
        | WIS International | 
        75 | 
      
      
        | Hantz Group, Inc. | 
        72 | 
      
      
        | Ameren Corporation | 
        70 | 
      
      
        | Blackbaud | 
        70 | 
      
      
        | CSX | 
        70 | 
      
      
        | Dynetics | 
        70 | 
      
      
        | Nacel Open Door | 
        70 | 
      
      
        | NJM Insurance Group | 
        70 | 
      
      
        | Ryan | 
        70 | 
      
      
        | Infor | 
        68 | 
      
      
        | Best Buy | 
        65 | 
      
      
        | Kirkland & Ellis LLP | 
        65 | 
      
      
        | MFS Investment Management | 
        65 | 
      
      
        | Rockwell Automation Inc. | 
        65 | 
      
      
        | Wharton-Smith, Inc. | 
        65 | 
      
      
        | KLA Corporation | 
        64 | 
      
      
        | L’Oréal USA, Inc. | 
        62 | 
      
      
        | Analog Devices | 
        61 | 
      
      
        | The Babcock & Wilcox Company | 
        60 | 
      
      
        | Bayer Healthcare Pharmaceuticals | 
        60 | 
      
      
        | Bohler Engineering | 
        60 | 
      
      
        | Credit One Bank | 
        60 | 
      
      
        | Eastman Chemical Company | 
        60 | 
      
      
        | Japan Airlines - American Region | 
        60 | 
      
      
        | MIT Lincoln Laboratory | 
        60 | 
      
      
        | National Instruments | 
        60 | 
      
      
        | Owens Corning | 
        60 | 
      
      
        | Pennsylvania Department of Transportation | 
        60 | 
      
      
        | PetSmart | 
        60 | 
      
      
        | Southern States Cooperative | 
        60 | 
      
      
        | Lincoln Financial Group | 
        57 | 
      
      
        | Bowlero Corporation | 
        55 | 
      
      
        | Cherry Bekaert | 
        55 | 
      
      
        | GZA GeoEnvironmental, Inc. | 
        55 | 
      
      
        | SI Group, Inc. | 
        55 | 
      
      
        | U.S. Department of Justice | 
        55 | 
      
      
        | Schreiber Foods | 
        52 | 
      
      
        | Air Products and Chemicals | 
        50 | 
      
      
        | CNA | 
        50 | 
      
      
        | Labatt Food Service | 
        50 | 
      
      
        | LaSalle Network | 
        50 | 
      
      
        | Lionbridge | 
        50 | 
      
      
        | Merck & Co., Inc. | 
        50 | 
      
      
        | Minnesota Department of Transportation | 
        50 | 
      
      
        | The N2 Company | 
        50 | 
      
      
        | PHD USA | 
        50 | 
      
      
        | Shaw Industries Group, Inc. | 
        50 | 
      
      
        | Franklin Templeton Investments | 
        48 | 
      
      
        | MassMutual Financial Group | 
        48 | 
      
      
        | Regions Financial Corporation | 
        48 | 
      
      
        | Teledyne Brown Engineering, Inc. | 
        48 | 
      
      
        | Taycor Financial | 
        47 | 
      
      
        | Heartland Area Education Agency | 
        46 | 
      
      
        | Rolls-Royce North America Inc. | 
        46 | 
      
      
        | Urban Institute | 
        46 | 
      
      
        | Asurion | 
        45 | 
      
      
        | Kimberly-Clark | 
        45 | 
      
      
        | National Credit Union Administration | 
        45 | 
      
      
        | Sundt Construction | 
        45 | 
      
      
        | Precision Wealth Financial & Insurance Services, Inc. | 
        42 | 
      
      
        | Teradyne | 
        41 | 
      
      
        | American Airlines | 
        40 | 
      
      
        | BNSF Railway Company | 
        40 | 
      
      
        | Cirrus Logic, Inc. | 
        40 | 
      
      
        | Dillard's, Inc. | 
        40 | 
      
      
        | Giant Eagle | 
        40 | 
      
      
        | Pacific Gas and Electric Company | 
        40 | 
      
      
        | Softheon | 
        40 | 
      
      
        | W.W. Grainger, Inc. | 
        40 | 
      
      
        | M&T Bank | 
        39 | 
      
      
        | ISO | 
        37 | 
      
      
        | Conagra Brands, Inc. | 
        35 | 
      
      
        | Manhattan Associates | 
        35 | 
      
      
        | Olive Garden | 
        35 | 
      
      
        | Havas Creative | 
        34 | 
      
      
        | National Futures Association | 
        32 | 
      
      
        | EMSL Analytical, Inc. | 
        31 | 
      
      
        | The Aerospace Corporation | 
        30 | 
      
      
        | Ameriprise Financial | 
        30 | 
      
      
        | ARGO Data Resource Corporation | 
        30 | 
      
      
        | Arup | 
        30 | 
      
      
        | Bloomingdale's | 
        30 | 
      
      
        | CEMEX USA | 
        30 | 
      
      
        | Centennial Contractors Enterprises | 
        30 | 
      
      
        | Clean Harbors | 
        30 | 
      
      
        | Comscore, Inc. | 
        30 | 
      
      
        | Consumers Energy | 
        30 | 
      
      
        | Cotton, a Sikich Company | 
        30 | 
      
      
        | Hess Corporation | 
        30 | 
      
      
        | Honda R&D Americas, Inc. | 
        30 | 
      
      
        | LaFrance Corp. | 
        30 | 
      
      
        | LifeScan, Inc. | 
        30 | 
      
      
        | Marathon Oil Corporation | 
        30 | 
      
      
        | Nickelodeon Animation Studio | 
        30 | 
      
      
        | Novogradac & Company LLP | 
        30 | 
      
      
        | Peabody Energy | 
        30 | 
      
      
        | PPG | 
        30 | 
      
      
        | PPL Corporation | 
        30 | 
      
      
        | RaceTrac | 
        30 | 
      
      
        | Rocket Mortgage | 
        30 | 
      
      
        | Southwestern Advantage | 
        30 | 
      
      
        | Spirent Communications | 
        30 | 
      
      
        | Stantec | 
        30 | 
      
      
        | Lincoln Electric | 
        26 | 
      
      
        | ADP | 
        25 | 
      
      
        | Battelle Memorial Institute | 
        25 | 
      
      
        | Brookshire Grocery Company | 
        25 | 
      
      
        | Community Interface Services | 
        25 | 
      
      
        | Energizer Holdings, Inc | 
        25 | 
      
      
        | E*TRADE Financial Corporation | 
        25 | 
      
      
        | Federal Reserve Bank of New York | 
        25 | 
      
      
        | FICO | 
        25 | 
      
      
        | Gemological Institute of America Inc. | 
        25 | 
      
      
        | GMR Marketing | 
        25 | 
      
      
        | Grow | 
        25 | 
      
      
        | Harbour Capital Corporation | 
        25 | 
      
      
        | Hennion & Walsh | 
        25 | 
      
      
        | The Hershey Company | 
        25 | 
      
      
        | Kleinfelder | 
        25 | 
      
      
        | Leighton Group, Inc. | 
        25 | 
      
      
        | Manhard Consulting | 
        25 | 
      
      
        | M.C. Dean, Inc. | 
        25 | 
      
      
        | McKee Foods | 
        25 | 
      
      
        | NASA - Kennedy Space Center | 
        25 | 
      
      
        | O-I | 
        25 | 
      
      
        | PSC Biotech | 
        25 | 
      
      
        | QuinStreet | 
        25 | 
      
      
        | QVC, Inc. | 
        25 | 
      
      
        | RealNetworks, Inc. | 
        25 | 
      
      
        | Structural Group, Inc. | 
        25 | 
      
      
        | Avendra | 
        21 | 
      
      
        | Allendale Association | 
        20 | 
      
      
        | Aronson LLC | 
        20 | 
      
      
        | Assurity Life Insurance Company | 
        20 | 
      
      
        | BMO Capital Markets | 
        20 | 
      
      
        | Canon U.S.A., Inc. | 
        20 | 
      
      
        | Chevron Phillips Chemical Company | 
        20 | 
      
      
        | Compleat Rehab & Sports Therapy | 
        20 | 
      
      
        | Europe Express | 
        20 | 
      
      
        | FirstGroup plc | 
        20 | 
      
      
        | Georgia Department of Audits and Accounts | 
        20 | 
      
      
        | International Trucks | 
        20 | 
      
      
        | Kiawah Island Golf Resort | 
        20 | 
      
      
        | Marriott Vacations Worldwide Corporation | 
        20 | 
      
      
        | Olsson Associates | 
        20 | 
      
      
        | TechSea International, Inc. | 
        20 | 
      
      
        | Unisys Corporation | 
        20 | 
      
      
        | Wasserstrom | 
        20 | 
      
      
        | Western & Southern Life | 
        20 | 
      
      
        | Williams Adley | 
        20 | 
      
      
        | 21st Mortgage Corporation | 
        16 | 
      
      
        | American Air Liquide | 
        16 | 
      
      
        | AeroVironment, Inc. | 
        15 | 
      
      
        | Affinity Plus Federal Credit Union | 
        15 | 
      
      
        | Alliance for Audited Media | 
        15 | 
      
      
        | Amgen | 
        15 | 
      
      
        | Applied Research Laboratories | 
        15 | 
      
      
        | Avnet | 
        15 | 
      
      
        | Boscov's | 
        15 | 
      
      
        | Crown Holdings, Inc. | 
        15 | 
      
      
        | DAVIS | 
        15 | 
      
      
        | Echelon Studios, Inc. | 
        15 | 
      
      
        | Haley & Aldrich, Inc. | 
        15 | 
      
      
        | Hannaford Bros. | 
        15 | 
      
      
        | Ingersoll Rand | 
        15 | 
      
      
        | Sierra Club | 
        15 | 
      
      
        | Sika Corporation | 
        15 | 
      
      
        | Texas Instruments | 
        15 | 
      
      
        | True Partners Consulting | 
        15 | 
      
      
        | World Data Products | 
        15 | 
      
      
        | World Language Communications | 
        15 | 
      
      
        | Leprino Foods | 
        13 | 
      
      
        | Madison Trust | 
        12 | 
      
      
        | SWIFT | 
        12 | 
      
      
        | United McGill Corporation | 
        11 | 
      
      
        | Cleary Gottlieb Steen & Hamilton LLP | 
        10 | 
      
      
        | Crest Capital | 
        10 | 
      
      
        | Dewberry | 
        10 | 
      
      
        | Donor Development Strategies | 
        10 | 
      
      
        | General Dynamics Mission Systems | 
        10 | 
      
      
        | John Mini Distinctive Landscapes | 
        10 | 
      
      
        | Larson Design Group | 
        10 | 
      
      
        | NetEnrich | 
        10 | 
      
      
        | NewAgeSys, Inc. | 
        10 | 
      
      
        | New York State Department of Environment Conservation | 
        10 | 
      
      
        | Professional Service Industries | 
        10 |