| Business | Phone |
| Air Liquide Canada 104 Dunkirk Rd, St Catharines L2P 3H5 | (905) 684-6453 |
| Praxair 22 Wright St, St Catharines L2P 3J3 | (905) 688-5229 |
| Trinex Corp 261 Martindale Rd #12a, St Catharines L2W 1A2 | (905) 704-0603 |
| Cronatron Welding Systems 560 Carlton St, St Catharines L2M 4X7 | (905) 322-7573 |