| Business | Phone |
| Hot Arc Inc 935 107th Street Gulf, Marathon 33050 | (305) 743-6758 |
| Marathon Welding 10701 6th Avenue Gulf, Marathon 33050 | (305) 743-9863 |
| Sherman Marine Fabrication 13900 Overseas Hwy, Marathon 33050 | (305) 743-4369 |
| Volumetric Welding Marathon 33050 | (305) 731-7700 |