| Business | Phone |
| D L Engineering Inc 8180 Lakeview Ctr, Odessa 79765 | (432) 563-0033 |
| Dickson & Tryer Engineering Co 3912 S County Road 1290, Odessa 79765 | (432) 561-8594 |
| Engineered Pipeline Systems 4526 E University Blvd # 5j, Odessa 79762 | (432) 367-1955 |
| Hamilton Engineering Inc 6923 E Highway 80, Odessa 79762 | (432) 550-5866 |
| Master Corp 4682 E University Blvd, Odessa 79762 | (432) 550-2197 |
| Mid-Tex Engineering & Testing 4315 S County Road 1297, Odessa 79765 | (432) 561-5780 |
| Howell Engineering 409 E 57th St, Odessa 79762 | (432) 367-5711 |
| C J Hensley Engineering 2600 E Interstate 20, Odessa 79766 | (432) 337-2360 |