Established in 1945, GMW provides a range of welding, piping and machining services. It offers in-house plant maintenance, conveying and material handling services. The company provides boilers, heat exchangers, tanks and vessels. In addition, GMW offers field inspection services. It maintains a staff of professional craftsmen who provide customer support services. The company offers erection, fabrication, design and manufacturing services. GMW features a machine shop, as well as provides process and pressure piping services.