•American Residential Services LLC(ARS), a national provider of emergency services for heating, ventilation, air conditioning, plumbing and energy efficiency systems and equipment, has completed two acquisitions to increase its penetration in the Charlotte, N.C., and Columbus, Ohio, metropolitan markets.

•Alpine Mechanical Services LLC(New Britain, Pa.) is expanding its services to customers in the Jacksonville, Fla., region, and has opened a satellite office in Stuart, Fla.

Publication date:05/23/2011