| Business | Phone |
| Alpha Control & Svc 1105 E War Memorial Dr, Peoria 61616 | (309) 688-7411 |
| South Side Controls 820 Sw Jefferson Ave, Peoria 61605 | (309) 637-3775 |
| Dynamic Controls Inc 1700 W Luthy Dr, Peoria 61615 | (309) 692-8810 |
| General Meters & Controls 7209 N Allen Rd, Peoria 61614 | (309) 692-9124 |
| Johnson Controls Inc 9006 N Industrial Rd, Peoria 61615 | (309) 691-5400 |
| Lesmann Instrument Co 5902 N Briarwood Ln, Peoria 61614 | (309) 693-8481 |