| Business | Phone |
| Sprinkle Consulting Engineers 18115 Us Highway 41 N # 600, Lutz 33549 | (813) 949-7449 |
| Johnson Engineering 1845 Collier Pkwy, Lutz 33549 | (813) 909-8099 |
| Geo Surv 3 Inc 19012 1st St Sw, Lutz 33548 | (813) 948-1023 |
| Integral Engineering Inc 16704 Tobacco Rd, Lutz 33558 | (813) 908-0402 |