Solutions for Plastic Products. Omega Tool Corp is the global leader of engineering, manufacturing, and production for over 40 years. Offering refined expertise for complex tooling and plastic part challenges to world-class OEM and Tier 1 clients.With locations in Oldcastle, Ontario, and Mexico, occupying over 250,000 sqft across 5 facilities, we operate with 300 highly skilled technicians. As we continue to expand our footprint, we are recruiting top talent to join our team.