Located in Guelph, O’Brien Fabrications Ltd. is Wellington County's full sheet metal and fabrication shop. We fabricate ductwork for HVAC systems, metal roofing and siding and specialty metals. People trust us for quality welding of tanks, hoppers, railings and repairs.

We can supply Tender and Performance bonding upon request, are fully insured against liability for up to 5 million dollars and our employees are fully trained and certified in WHMIS and fall protection. Our metal roofing and siding services can meet the demands of your industrial, commercial, institutional or residential needs. We offer new construction and retrofits of eavestroughs, roofs and flashing, in both hidden fastener and exposed fastener systems. Contact us to get an estimate on your metal fabrication project. more... See more text