| Business | Phone |
| Industrial Machining Co 1410 Us Highway 90a E, Hallettsville 77964 | (361) 798-4849 |
| Schaefer Machinist County Road 178, Hallettsville 77964 | (361) 798-3001 |
| Precision Machined Components 1346 Us Hwy 77 S, Hallettsville 77964 | (361) 798-9565 |