| Business | Phone |
| Exxon Mobil Corp 867 W Fairwinds St, Hallettsville 77964 | (361) 798-9700 |
| Pro Field Svc Inc 1454 Us Highway 77 S, Hallettsville 77964 | (361) 798-7175 |
| Pro Field Svc Inc 212 E 2nd St, Hallettsville 77964 | (361) 798-5552 |
| Protech Oilfield Svc 7839 Us Highway 77 S, Hallettsville 77964 | (361) 798-3350 |