| Business | Phone |
| Engineering Design Solutions 3009 W Howard Ave, Visalia 93277 | (559) 280-8820 |
| Pactsol Resource Solutions 3349 S Willis Ct, Visalia 93277 | (559) 625-9149 |
| Provost & Pritchard Inc Engr 3500 W Orchard Ct, Visalia 93277 | (559) 636-1166 |
| Rubicon Consulting Svc 12617 Marlin Ave, Visalia 93291 | (559) 734-2455 |
| Teter Consultants 125 S Bridge St # 150, Visalia 93291 | (559) 625-5246 |