| Business | Phone |
| Air Liquide America Corp Houston 77058 | (281) 922-4944 |
| Air Liquide America Corp 12800 W Little York Rd, Houston 77041 | (713) 983-8921 |
| Carbonics Inc 1207 Missouri St, Houston 77006 | (713) 699-2500 |
| Natwel Supply 12666 Taintor St J1, Houston 77045 | (713) 729-2660 |