For over 8 years, J R Mac Welding has provided welding services to Winnipeg and the surrounding area. We've become a trusted name in our community, known for promptness, safety and the quality of our service. We cover all aspects of industrial and commercial welding with x-ray proved quality workmanship guaranteed. From carbon to stainless steel, we are government certified through the province of Manitoba for boilers, process piping and pressure piping. Contact us for more information. more... See more text