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USM, Inc. is a leading provider of comprehensive facilities maintenance and electrical/HVAC solutions. As a subsidiary of EMCOR Group, Inc., we offer nationwide services including janitorial and floor care, landscaping, parking lot services, snow and ice management, HVAC, electrical and lighting, repair and maintenance, and more. With over 60,000 client sites and a national network of local managers and service providers, we ensure that our clients' facilities operate at peak efficiency.