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Dean’s Certified Welding specializes in large-diameter pipeline welding services for water, municipal, and industrial infrastructure projects across the United States and Canada. We have successfully welded pipe ranging from 1…

Dean’s Certified Welding has decades of experience performing welding operations in tunnels, shafts, and underground pipeline environments, including some of the largest tunnel projects in the western United States and…

Dean’s Certified Welding is a recognized leader in pipeline relining and rehabilitation projects, extending the service life of critical water infrastructure without full replacement. Relining projects require precise coordination, controlled…