Links – (The following links will open in a new window)
Hoyme Manufacturing on other websites
- Other
- CSA International Group
- CSA International – Hoyme Listing 1
- CSA International – Hoyme Listing 2
- Home BUILDER Magazine
Registered on – Canada’s National Government Suppliers Directory
| Group | GSIN | Description |
| N4520 | N4520G | Heating and Air Circulating Ductwork and Accessories |
| N4520 | N4520GB | Heating and Air Circulating Ductwork and Accessories (Industrial and Commercial) |
| N4420 | N4420C | Heat Exchangers |
| N4520 | N4520GA | Heating and Air Circulating Ductwork and Accessories (Domestic) |