| Business | Phone |
| American Packing & Gasket Co 6039 Armour Dr, Houston 77020 | (713) 675-5271 |
| Gulf Rubber & Supply Co 1120 Mcdaniel St, Houston 77022 | (713) 692-7114 |
| Amicon Plastics Inc 8500 Commerce Park Dr 110, Houston 77036 | (713) 988-8200 |
| Ceco-Perry Corp 1758 W Sam Houston Pkwy N, Houston 77043 | (713) 872-1100 |
| Garlock Sealing Technologies 1977 Kindred St, Houston 77049 | (281) 458-5830 |
| Nps Shaft Seals Lp 1165 Brittmoore Rd, Houston 77043 | (713) 984-9719 |
| Hoerbiger America Rings 1212 Milby St, Houston 77023 | (713) 224-9015 |
| Houston Manufacturing Spec Co 9909 Wallisville Rd, Houston 77013 | (713) 675-7400 |
| Humble Industries Inc 1222 Aldine Meadows Rd, Houston 77032 | (281) 987-9175 |
| James Walker Oil & Gas Co 16619 W Hardy Rd, Houston 77060 | (281) 875-0002 |
| National Gasket Co 3802 Leeland St, Houston 77003 | (713) 222-0220 |
| Tyden-Brammall Inc 7171 Buffalo Speedway, Houston 77025 | (713) 662-3580 |
| Ufc Fluorogreen 6529 Cunningham Rd 1905, Houston 77041 | (713) 460-2500 |
| Utex Industries X-Tendaseal 1771 Upland Dr, Houston 77043 | (713) 649-3421 |
| Texas Gasket & Packing Co 1255 Lathrop St, Houston 77020 | (713) 674-7531 |
| Pipeline Seal & Insulator Inc 6525 Goforth St, Houston 77021 | (713) 747-6948 |
| Wolar Industrial Inc 1313 Lombardy St, Houston 77023 | (713) 926-2440 |
| Quality Seal Co 1330 Sherwood Forest St 202, Houston 77043 | (713) 467-0525 |
| Quantum Seals Co Of America 1330 Sherwood Forest St, Houston 77043 | (713) 466-5491 |
| Pikotek Inc 1977 Kindred St 2, Houston 77049 | (281) 343-9899 |
| Tank Seal Technology Inc 9710 Windmill Park Ln, Houston 77064 | (281) 890-0260 |
| Turbo Components Engineering 8730 Meldrum Ln, Houston 77075 | (713) 943-9100 |
| Stratco Dupont Refinery Soluti 140 Cypress Station Dr 135, Houston 77090 | (281) 586-2550 |
| Spring Branch Gasket & Rubber 5920 Stuebner Airline Rd, Houston 77091 | (713) 461-2935 |