| Business | Phone |
| Structural Engineering 16105 N Florida Ave # B, Lutz 33549 | (813) 849-5768 |
| Rich & Assoc Inc 18860 Dale Mabry Hwy N, Lutz 33548 | (813) 949-9860 |
| Parking Structure Engineering 18860 Dale Mabry Hwy N, Lutz 33548 | (813) 949-9926 |
| Florida Tectonics Inc 17846 Lake Carlton Dr, Lutz 33558 | (813) 961-7194 |