| Business | Phone |
| Praxair 925 Barrydowne Rd, Sudbury P3A 3T9 | (705) 566-5500 |
| Boc Gases 1512 Old Falconbridge Rd, Sudbury P3A 4N8 | (705) 566-3660 |
| Weldco 1305 Kelly Lake Rd #1, Sudbury P3E 5P5 | (705) 688-8800 |
| Donn-Marr Welding Supply Ltd 151 Lorne St, Sudbury P3C 4P4 | (705) 675-2777 |