• Antioch Chrysler Dodge Jeep Ram
• Apex Systems
• Arthur J. Gallagher & Co.
• Burnham Nationwide
• Canadian National Railway
• CF Industries
• ComEd
• Cunningham Children's Home
• CVS Health
• D.O.A. Room Escape
• Dunes Learning Center
• Elevate Energy
• Emerald Site Services
• Enterprise Holdings
• Environment America
• Epic Systems
• Espresso Royale
• Facebook
• FB International
• FedEx Freight
• First Financial Bank
• First Look Appraisals
• Fuchs Lubricants Co
• General Electric
• Global Water Technology
• Goby
• Illinois Natural History Survey
• Illinois State Water Survey
• Integrated Lakes Management
• Keryx Biopharmaceuticals
• Les Poeta Claudio Rodriguez
• Lincoln Park Zoo
• McDonald's
• Medline Industries
• Mosquito Hunters
• Navopache Electric Cooperative
• Northrop Grumman
• Nyco Products
• Oswego School District 308
• Paper Gun Gallery
• Plote Construction
• Presidio Trust
• Qualifine Chemicals, Llc
• Quill
• Radisson Blu
• Redimere Surface Solutions
• SCA - Hygiene and Forest Products Company
• Schneider Electric
• Sidley Austin
• Sleep On Latex
• SMS Assist
• Suburban Laboratories
• Suburban Tire Auto Repair Centers
• The Walt Disney Company
• Toyota
• Trileaf Corporation
• U.S. Army Reserve
• UNAVCO
• United Nations
• University of Illinois at Urbana-Champaign
• Verde Sustainable Solutions
• Walgreens
• West Liberty Foods
• Zimmerman & Walsh