- American Airlines
- Amtrak
- Arc Light
- Aryzta
- AT&T/Multiple locations
- Baxter Healthcare
- ComEd
- Conagra Brands
- DuPont Fabros
- Equinix Data Center
- Federal Express
- General Mills
- Georgia Nut Company
- GMRENCEN
- Hines
- Iron Mountain
- John Deere
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- Kapstone
- Lewis Aviation
- McDonald's Corporation
- McMaster Carr
- Mondelez
- Motorola
- Navistar
- Nokia
- Northrop Grumman
- O'Hare Airport
- O'Hare Consolidated Car Rental Facility
- Pfizer
- Sanfilippo & Son
- Sensient Technologies
- United Airlines
- Verizon
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