• 3M
• AbbVie
• Abercrombie & Fitch
• Accenture
• Actuant
• Actuant Corporation
• ADVIZOR Solutions
• ALDI
• Alight Solutions
• Allstate Insurance Company
• Amazon
• American Campus Communities
• American Hotel Register Company
• Ampush
• Anheuser-Busch InBev
• Aon
• Aon Hewitt
• Archer Daniels Midland (ADM)
• Arizona Diamondbacks
• Arthur J. Gallagher & Co.
• Bacardi
• Baker Tilly Virchow Krause
• Baxter International
• Beacon Funding
• Boeing
• Boro
• BP
• Brooksource
• Brunswick Corporation
• Busey Bank
• C.H. Robinson
• Canalys
• Capital One
• cars.com
• CASA of Will County
• Caterpillar
• CDM Media
• Cerner Corporation
• Chamberlain Group
• Chicago Tribune Media Group
• Chicago White Sox
• Cintas
• CJ Affiliate
• Claro Healthcare
• CNA Insurance
• CNA Insurance Companies
• Cobham
• Cognizant
• ComEd
• Common Ground Research Networks
• Compassion International
• Compsych
• Constellation Brands
• Convenience
• Conversant
• Conversant Media
• Corporate Resources
• Crowe Horwath
• Cru
• Datassential
• DeanHouston
• Deloitte
• DICOM Grid
• Discover Financial Services
• Dish Network
• Dover Corporation
• Ebco
• Echo Global Logistics
• Edward Jones
• Enfusion
• Epic Systems
• Epsilon
• Evive
• EY
• Federal Bureau of Investigation
• Filtration Group
• First Federal Savings Bank of Champaign-Urbana
• Foresight ROI
• Forsythe Technology
• FTI Consulting
• General Electric
• General Mills
• Geosam Capital
• Glencore
• Google
• Grainger
• Grant Thornton
• Graybar Electric
• Guerrero Howe
• Gusto
• Hammacher Schlemmer
• Havas Media
• HBR Consulting
• Hollister Incorporated
• Hormel Foods
• Hospira
• Hot Shots Sports
• Huron Consulting Group
• IBM
• ICM Partners
• ICM Properties
• Illinois Student Assistance Commission
• Insight Global
• International Paintball Group
• InterVarsity Christian Fellowship
• Jellyvision
• Jenner & Block
• Jimmy John's
• John Deere
• Jones Lang LaSalle (JLL)
• JPMorgan Chase
• Kaplan
• KeyBank
• Kimberly-Clark
• Kohl's
• Kohler
• Konica Minolta Business Solutions
• KPMG
• Kraft Foods
• Land of Lincoln Legal Assistance Foundation
• Launch Digital Marketing
• LaunchSquad
• Leahy Eisenberg & Fraenkel
• Leo Burnett
• Leo Burnett Worldwide
• Lesman Instrument Company
• Lexus
• LivCor
• M2-Prom/MIchelle's Bridal and Tuxedos
• Macy's
• Make-a-wish® Illinois
• MASCO Corporation
• Mccann Minneapolis
• Mckesson Corp
• MCS Office Technologies
• Mediavest | Spark
• Medline
• Medline Industries
• Menards
• Mercer
• MercuryGate International
• MFG Partners
• MGM Resorts International
• Microsoft
• MidwestHR
• Milwaukee Brewers
• Milwaukee Electric Tool
• Milwaukee Tool
• Mindshare
• Modern Impex
• Monsanto
• Morningstar
• Morton Salt
• Motorola Solutions
• Naehas
• Navistar
• Nestlé
• Network Integrators
• Neuberger Berman
• New Relic
• Nielsen
• Octagon
• Office Of The Comptroller Of The Currency
• Officite
• Oracle
• Oracle NetSuite
• PCM
• Pentair
• Pepperidge Farm
• PepsiCo
• Perry & Associates
• PharMEDium
• PharMEDium Services
• Pinnacle Advertising
• Pinstripes
• Plante Moran
• PricewaterhouseCoopers (PwC)
• Promotion Activators
• Pronto Finance
• Protiviti
• Qualtrics
• Quill
• Rakuten Marketing
• Ralph Lauren
• Regency Apartments
• Rise Interactive
• Rotech Healthcare
• Sacrameto RiverCats
• Scranton Gillette Communications
• Shell
• Spectrum Communications and Consulting
• Sphera Solutions
• Sprinklr Japan
• Staples Promotional Products
• Starcom MediaVest Group
• Stax
• Stewart Talent
• Strive Logistics
• Symantec
• Synchrony Financial
• Takeda Pharmaceuticals Company
• Target
• TBWA Worldwide
• Teach For America
• Textron
• The Bradford Group
• The Claro Group
• The Hartford
• The Kraft Heinz Company
• The Laramar Group
• The Starter Labs
• The Walt Disney Company
• Toyota
• TransTechs
• TransUnion
• U.S. Foods
• Uber Technologies
• Unilever
• United Airlines
• United Rentals
• UnitedHealth Group
• University of Chicago
• University of Illinois at Urbana-Champaign, Division of Intercollegiate Athletics
• University of Illinois at Urbana-Champaign, Siebel Center for Design
• University of Southern California
• Urban Financial Advisory Corporation
• Viacom
• Vodori
• Von Maur
• W.W. Grainger
• Walgreens
• Watson Dwyer
• Wells Fargo
• WESCO International
• West Monroe Partners
• Workday
• Workiva
• Yelp
• ZS Associates