CPFA - Canadian Pipe Fabricators Assoc.

CWB - Canadian Welding Bureau [website]

MCAA - Mechanical Contractors Assoc. America [website]

MCAC - Mechanical Contractors Assoc. Canada [website]

MCAM - Mechanical Contractors Assoc. Michigan [website]

MCAO - Mechanical Contractors Assoc. Ontario [website]

OPTC - Ontario Pipe Trades Council [website]

PFI - Pipe Fabrication Institute [website]

SCA - Sarnia Construction Assoc. [website]

TSSA - Technical Standards and Safety Authority [website]

WCB - Workers Compensation Board

WSIB - Workplace Safety & Insurance Board [website]