| Business | Phone |
| Heat & Process Equip Co 16022 Lakeview Dr, Houston 77040 | (713) 896-1824 |
| Alamar Industries 7007 Brittmoore Rd, Houston 77041 | (281) 463-4859 |
| Bentex Equipment Co 9660 Hillcroft St 218, Houston 77096 | (713) 721-2642 |
| Daniel Radiator & Heat Exch Co 3515 East Fwy, Houston 77020 | (713) 223-2311 |
| Heatcraft Inc Po Box 840798, Houston 77284 | (281) 858-1076 |
| Industrial Resources 14701 Saint Marys Ln # 175, Houston 77079 | (281) 497-9800 |