| Business | Phone |
| Hajoca Corp 2318 Deepwater Terminal Rd, Richmond 23234 | (804) 359-3223 |
| Virginia Industrial Process 8511 Oakview Ave A, Richmond 23228 | (804) 261-7863 |
| Engineered Services Inc 2419 Westwood Ave, Richmond 23230 | (804) 285-8000 |
| Siemens Building Technologies 5106 Glen Alden Dr, Richmond 23231 | (804) 222-6680 |
| Invensys Control Systems 1701 Byrd Ave, Richmond 23230 | (804) 756-6500 |
| Cii Engineered Systems Inc 6767 Forest Hill Ave 100, Richmond 23225 | (804) 320-1872 |