United Steelworkers of America - Canada: Canadian section of USWA represents approximately 180,000 workers. USWA-Canada is affiliated with the Canadian Labour Congress.
USWA Local 343: Organized in Kingston, Ontario representing over 350 workers in nine workplaces.
USWA Local 5328: Organized in Hamilton, Ontario at Stelco.
USWA Local 5328: Organized at Stelwire Ltd, Hamilton, Ontario.
USWA Local 9129: Organized at the Potacan Potash Co, Sussex, New Brunswick.