| Business | Phone |
| Roth Brothers Inc Facilities 5411 Beaumont Center Blvd #785, Tampa 33634 | (813) 243-1303 |
| Quality Building Controls 6089 Johns Rd, Tampa 33634 | (813) 885-5005 |
| Quinn Associates 309 N Howard Ave, Tampa 33606 | (813) 254-5211 |
| Power Process Corp 4139 W Waters Ave, Tampa 33614 | (813) 884-6661 |
| Precision Instrumentation Svc 3017 E Waters Ave, Tampa 33604 | (813) 989-3062 |
| Omni-Controls Inc 13540 N Florida Ave, Tampa 33613 | (813) 971-5001 |
| Johnson Controls Inc 3802 Sugar Palm Dr, Tampa 33619 | (813) 623-1188 |
| Cardina & Co Inc Tampa 33634 | (813) 888-5105 |
| Electrical Mechanical Drives 5306 56th Commerce Park Blvd, Tampa 33610 | (813) 621-8675 |