- A F Comm Supply
- Bettis Co
- Conard Roell & Assoc
- Construction Systems-Solutions
- Electrical Midwest Inc
- Johnson Brothers & Assoc
- Johnson-Poland Assoc
- Kinstler & Assoc
- Mercer-Zimmerman Inc
- P & A Sales & Marketing Corp
- Palmer & Assoc
- Premier Lighting
- RGH & Assoc
- Samson Controls Inc
- Stan Clothier Co
- TSR Marketing
