| Business | Phone |
| Automated Welding Systems 1998 Britains Ln, Columbus 43224 | (614) 262-2812 |
| Central Ohio Welding Co Inc 253 E Spring St, Columbus 43215 | (614) 224-5207 |
| Praxair Distribution Inc 876 S Front St, Columbus 43206 | (614) 443-7687 |
| De Lille Oxygen Co 772 Marion Rd, Columbus 43207 | (614) 444-1177 |
| Lincoln Electric Co 2101 Riverside Dr, Columbus 43221 | (614) 488-7913 |