| Business | Phone |
| Air Liquide America Corp 301 S 45th Ave, Phoenix 85043 | (602) 267-7565 |
| Air Products & Chemicals Inc 4625 S 36th St, Phoenix 85040 | (602) 437-0144 |
| Boc Gases 1122 N 52nd St, Phoenix 85008 | (602) 275-8778 |
| Praxair 4030 W Lincoln St, Phoenix 85009 | (602) 269-2151 |