Todd Billings

Sain Engineering Associates, Inc. provides energy management and consulting services. It offers energy management, planning, strategy, metering, auditing, and consulting on use of alternative and renewable energy sources. The company was founded by Stephen Price Sain in 1988 and it is headquartered in Birmingham, AL.

Carrier Corp. manufactures air conditioning, heating, and refrigeration equipment. Its products include residential systems, commercial systems, transport refrigeration, and commercial refrigeration. The company was founded by Willis Haviland Carrier on July 17, 1902 and is headquartered in Jupiter, FL.

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.

Hayes Mechanical LLC provides heating, air conditioning and boiler maintenance services. The firm's services include industrial boilermaking, commercial boilermaking, sheet metal, plumbing, pipefitting, electrical, millwrights, industrial rebuild shop capabilities and quality control. The company was founded by Daniel Hayes in 1918 and is headquartered in Chicago, IL.