Founded in 1966, Central Maintenance and Welding, Inc. (CMW) provides plant maintenance, plant turnaround, construction and f ... abrication services for chemical processing, mining, power generation, and other industrial markets. As an ASME code shop, CMW’s fabrication services include pressure vessels, tanks, heat exchangers, expansion joints, ducts, piping, pipe racks/supports, hoppers, chutes, and more. read more