O’Neil Electric Supply has been serving Ontario’s electrical wholesale market for nearly 60 years. We offer a full range of premium electrical products — lighting, controls, power distribution, conduit, wire, devices, HVAC tools and safety equipment — backed by fast pick-up service, same- or next-day delivery in Southern Ontario, and a dedicated project team handling commercial, industrial and residential needs. With locations in the GTA’s Woodbridge and Scarborough, plus Cambridge, we