ROCKVILLE, Md. - The Mechanical Service Contractors of America (MSCA) announced that six more HVACR service companies have qualified as MSCA Stars, bringing the total number to 58.
The six newest MSCA Stars are: Alliant Systems LLC, Beaverton, Ore.; McKinstry Co., Portland, Ore.; McKinstry Co., Seattle; Rabe Environmental Systems Inc., Erie, Pa.; Waldinger Corp., Omaha, Neb.; and William E. Walter Inc. Mechanical Contractors, Flint, Mich.