Ontario Valve Repair Service Limited provides service to commercial, industrial, mechanical, wholesale & building support customers. Our professional experience & welding, fabricating and machine shop facilities plus huge stock make us the leader in our field. Ontario Valve Repair Service Limited was founded in 1962 and incorporated in 1981. We have been located in Markham since 1974. Let us put our experience to work for you.

Our current facility has 16,500 square feet and we have over 4,000 tons of valves stored at our three acre yard. We offer sales and repairs as well as customization of valves. We are TSSA Certified to repair, test & certify safety relief valves. more... See more text