Headquartered in Edmonton, Alberta, with over 14,000 active members, and district offices in Calgary, Edson and Fort McMurray, the International Union of Operating Engineers Local 955 is Alberta's largest trade union supporting mobile equipment operators. Our members are instrumental in building and maintaining Alberta's infrastructure within the mining, oil sands, transportation, and construction industries. Our members also support municipalities, school districts, and other organizations that incorporate heavy equipment in their operations.