Mechanical Contractor specializing in design, fabrication and installation of dust collection systems, ducting, tanks, custom structural, process, piping and HVAC. GLM is a highly mobile organization, blending in-facility fabrication with field installation by exceptionally experienced personnel. Our capabilities continue to exceed the high quality standards demanded by the power, metal casting, food, petro-chemical, process, agri-chemical, new and retrofitted hydraulic presses, industrial gas, chemical, waste, pulp and paper industries.