Craig S. Martin

EMCOR Construction Services, Inc. provides mechanical and electrical construction, energy infrastructure and facilities services. Its services include energy solutions, commissioning/recommissioning, building operations services, AMR and AMI, water/wastewater treatment plants. The company was founded in 1995 and is headquartered in Indianapolis, IN.

Part of EMCOR Group, Inc., Shambaugh & Son LP is a mechanical-sprinkler and electrical contractor. The company is based in Fort Wayne, IN. The CEO of the company is Paul R. Meyers. Shambaugh & Son was acquired by Comfort Systems USA, Inc. on November 16, 1998 for $116.95 million.

United Technologies Corp. engages in the provision of products and services to the building systems and aerospace industries worldwide. It operates through the following business segments: Otis; Carrier; Pratt and Whitney; and Collins Aerospace Systems. The Otis segment designs, manufactures, sells, and installs elevators, escalators, moving walkways, and service. The Carrier segment provides heating, ventilating, air conditioning, and refrigeration solutions. The Pratt and Whitney segment includes aircraft engines for the commercial, military, business jet, and general aviation markets. The Collins Aerospace Systems segment offers technologically advanced aerospace products and aftermarket service solutions for aircraft manufacturers, airlines, regional, business and general aviation markets, military, space and undersea operations. The company was founded in 1934 and is headquartered in Farmington, CT.