American Mechanical Services is an organization focused on serving commercial, industrial and institutional property owners and managers through a strategic partnership. Its partnering approach to the marketplace assures that it serves customers by assisting them with the long-term management of the heating, ventilation, air conditioning, refrigeration, plumbing and electrical systems in their facilities. The company is a subsidiary of the ServiceMaster Corporation, a $6.4 billion international publicly traded company with a focus of bringing increased value to every customer it serves. ServiceMaster's network serves customers in more than 40 countries and services more than 10.5 million customers.