James F. Ingold

GTI Energy provides research, development and training services for the natural gas industries. It offers research and development, program management, technical services, analytical services, consulting, commercialization, training and information services. The company was founded in April 2000 and is headquartered in Des Plaines, IL.

Part of Deutsche Telekom AG, iPCS Wireless, Inc. is an American company that specializes in radiotelephone communications.

FleetPride, Inc. engages in the distribution of automotive parts and services of heavy-duty trucks and trailers. It includes air conditioning and heating, body, chemicals, engine, fuel systems, lubrication and filtration, tools, safety, and supplies, air intake, brakes and heel ends, cooling systems, engine management, starters, alternators, and electrical, trailer parts, air system, cab and chrome, drive train, exhaust, lighting, and suspension and steering. It also offers services such as drive-in, transmission and differentials, spring shop, inspections, engine repair, drive wheel and flywheel, fluid power and hydraulics systems, and other services. The company was founded in 1999 and is headquartered in Irving, TX.

Castlerock Security Holdings, Inc. is a national provider of electronic security alarm monitoring services, providing monitoring and maintenance of alarm systems to single-family residential and light commercial customers. The company was founded on September 22, 2010 and is headquartered in Arlington Heights, IL

Deloitte & Touche LLP engages in the provision of audit, advisory, financial advisory, tax, and consulting services. The company was founded on March 7, 1995 and is headquartered in New York, NY.

iPCS, Inc. provided wireless telecommunications services. The firm provided wireless voice and data products and services under the Sprint brand throughout the territory licensed to it by Sprint PCS. The company was founded in 2000 and was headquartered in Schaumburg, IL.