| Business | Phone |
| Anston-Greenless Inc 1315 W Fletcher Ave # A, Tampa 33612 | (813) 963-1919 |
| Chehayeb & Assoc 3702 W Azeele St, Tampa 33609 | (813) 876-1415 |
| Consulting Engineering Group 8840 N Florida Ave, Tampa 33604 | (813) 936-0796 |
| Electric Control Systems 5119 Memorial Hwy, Tampa 33634 | (813) 884-5501 |
| Hahn Engineering 3060 S Dale Mabry Hwy, Tampa 33629 | (813) 831-8599 |
| Hampton Tilley Assoc Inc 6520 Harney Rd # B, Tampa 33610 | (813) 623-6422 |