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Welcome to OSM

WHAT IS OSM? OSM stands for Ontario Sheet Metal Contractors Association.

OSM serves the needs of contractors of all sizes, offering educational and training resources for their members. As the second largest chapter of SMACNA, OSM contractors follow SMACNA standards to produce high quality industrial, commercial and institutional (ICI) sheet metal work.

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CROSSFLOW

Check out the current and archived editions of CROSSFLOW

Pages from OSM_Portugal_Booklet_Digital_Revamped_email.pdf

2025 OSM Convention - Cascais, Portugal

OSM Convention - Digital Booklet

Link to Register

COVID 19

Government of Canada Information

Government of Ontario Information

Government of Ontario - Develop your COVID-19 workplace safety plan

Ontario - Workplace PPE Supplier Directory

Infrastructure Health and Safety Resources

ASHRAE - COVID-19 Resources

Prompt Payment Ontario - Ontario Construction Act - Trade Contractors Guide

OSM was an active member of Prompt Payment Ontario. PPO has published the Ontario Construction Act Trade Contractors Guide. The guide is free for download.