| Business | Phone |
| Ambar Lone Star Fluid Svc 555 N Carancahua St 840, Corpus Christi 78478 | (361) 851-2473 |
| Zarsky Oilfield Svc Inc 510 N Port Ave, Corpus Christi 78408 | (361) 883-6366 |
| Baker Hughes Inteq 800 Northshore Blvd 700 N, Corpus Christi 78401 | (210) 650-9358 |
| Tetra Resources Corpus Christi 78401 | (361) 888-8133 |
| Omni Fluids Co 4646 Southview Dr, Corpus Christi 78408 | (361) 884-7394 |
| M-I Swaco 711 N Carancahua St, Corpus Christi 78475 | (361) 886-3400 |
| Newpark Drilling Fluids 615 N Upper Broadway St 1420, Corpus Christi 78477 | (361) 883-9181 |