| Business | Phone |
| Quality Connector Systems Inc 7250 W 43rd St 100a, Houston 77092 | (713) 526-7274 |
| Big Inch Marine 12235 Fm 529 Rd, Houston 77041 | (713) 896-1501 |
| Dyna Torque Tech 11315 W Little York Rd, Houston 77041 | (713) 937-6699 |
| Envirosense 1718 Fry Rd # 215, Houston 77084 | (281) 828-8989 |
| Mid-States Industrial Sales Co 5711 Desert Oak Way, Houston 77090 | (281) 444-9686 |
| Kidd Pipeline & Specialties 14826 Yarberry St, Houston 77039 | (281) 442-0270 |
| J & N Pipeline Equipment Co Houston 77024 | (713) 984-9477 |
| Myoco Pipeline Supply & Equip 12751 Main St, Houston 77035 | (713) 723-0110 |