| Business | Phone |
| Air Liquide America Corp 45 Handel Ln, Cincinnati 45218 | (513) 923-5300 |
| Air Products & Chemicals Inc 4900 Este Ave, Cincinnati 45232 | (513) 242-5246 |
| Boc Gases 11300 Mosteller Rd, Cincinnati 45241 | (513) 771-5777 |
| Boc Gases 160 Glendale Milford Rd, Cincinnati 45215 | (513) 831-4742 |