2026 Amendments to Ontario’s Construction Act: What You Need to Know Now Seminar

Municipal Infrastructure Summit

Register now the 2026 Municipal Infrastructure Summit! After two successful years, we are expanding this event by teaming up with the Toronto Area Road Builders Association (TARBA) to include road building and transportation into the discussion. The Municipal Infrastructure Summit…

2025 Advocacy Day Reception

OSWCA invites you to join us at our evening reception following our upcoming Advocacy Day at Queen’s Park on November 4th, 2025. Please join us from 5:30 PM – 7:30 PM at Mercatto (101 College St, Toronto, ON M5G 2C4) for an…