- AKT Corporation
- Dennis Aluminum Products
- Ennis-Flint
- InLine
- Jace Chandler & Associates
- Nikkalite
- Nucor
- Ozark Striping Company
- Quality Traffic Systems
- Safety Coatings
- Southern Lighting & Traffic Systems
- Temple
- 3M
- Traffic Data
- Traffic Products
- TransCore
- Vulcan
- Wavetronix