| Canadian Union of Postal Workers: Represents 45,000 workers in all aspects of mail pickup, sorting and delivery. |
| CUPW Breton: Postal workers in Nova Scotia with area offices in Sydney, Glace Bay and New Waterford. |
| CUPW Calgary: Represents approximately 2,000 members in Calgary and surrounding areas. |
| CUPW Castlegar: Postal workers in Catlegar, B.C. |
| CUPW Edmonton: The Edmonton Local of the Canadian Union of Postal Workers. |
| CUPW Nelson: Represents members including rural suburban members from satellite offices near Nelson, BC. |
| CUPW Regina: Represents approximately 450 postal workers in the Regina Saskatchewan area. |
| CUPW Scarborough: Represents postal workers based in Scarborough, Ontario. |
| CUPW Toronto: The Toronto Local of the Canadian Union of Postal Workers. |
| CUPW Vancouver: Serves members in the Vancouver and lower mainland area of BC. |
| CUPW Woodstock: Local 634 in Woodstock, Ontario. |
Classical
