Association membershipS

Mechanical Contractors Association of America
MSHA - mine safety and health administration
OSHA - Occupational Safety and health administration
Canadian Construction Association
Construction Safety Association
Mechanical Contractors Association of Canada
Electrical Contractors Association
National Electrical Contractors Association of America
Association of Millwrighting Contractors
Pipe Fabrication Institute (US)
Canadian Pipe Fabricators Association
Sheet Metal and Air Handling Group
Boilermaker Contractors' Association
Corporation des maîtres mécaniciens et tuyauterie du Québec
Canadian Erectors Association Incorporated