| Business | Phone |
| Beta International Inc 8303 Millet St, Houston 77012 | (713) 921-3600 |
| Anvil International Inc 6999 Old Clinton Rd, Houston 77020 | (713) 675-6371 |
| All Around Ind Supply 6511 Winfree Dr, Houston 77087 | (713) 644-2062 |
| Allied Fitting Lp 7200 Mykawa Rd, Houston 77033 | (713) 799-1100 |
| Apc 155 Southbelt Industrial Dr, Houston 77047 | (713) 926-1490 |
| Apc/Vsi 5301 Polk St, Houston 77023 | (713) 921-7760 |
| Cfc Inc 8000 Market Street Rd 100, Houston 77029 | (713) 676-0077 |
| Cgp Mfg Inc 6313 Winfree Dr, Houston 77087 | (713) 641-5544 |
| Click International Houston 77087 | (713) 640-1146 |
| Dodson Steel Products Inc 175 Southbelt Industrial Dr, Houston 77047 | (713) 926-7922 |
| Dynamic Products Inc 16520 Peninsula St, Houston 77015 | (281) 457-3500 |
| Ergytech Inc 2400 Augusta Dr 310, Houston 77057 | (713) 953-0300 |
| Gibson Products Inc 5691 Surrey Square St, Houston 77017 | (713) 941-4890 |
| Grayloc Products Llc 11835 Charles Rd, Houston 77041 | (713) 466-8853 |
| Henry H Paris Distr Inc 1133 Providence St, Houston 77002 | (713) 225-0141 |
| Houston Fittings Inc 6011 Nunn St, Houston 77087 | (713) 649-4467 |
| Klad Products 14814 Park Almeda Dr, Houston 77047 | (713) 433-5544 |
| Industrial Piping Supply Inc 5722 Bingle Rd A, Houston 77092 | (713) 681-7407 |
| J B Smith Mfg Co 6618 Navigation Blvd, Houston 77011 | (713) 928-5711 |
| Lanex Corp 12227 Fm 529 Rd A, Houston 77041 | (832) 243-0003 |
| Mram Co 13529 S Post Oak Rd, Houston 77045 | (713) 433-1991 |