W. Michael Polster

Columbia Research Corp. provides engineering, logistics, and acquisition services. The private company is based in Washington.

DynCorp provided management and technical consulting services. It provided services such as network integration and global defense logistics. DynCorp's clients included more than 40 federal agencies, including the departments of defense, state, agriculture, energy and justice. The firm was located in Reston, VA.

Vistronix, Inc. develops applications and provides information technology solutions. The company also offers services on information management, geospatial information systems, and engineering and operations. The company was founded by Deepak Hathiramani in 1990 and is headquartered in Reston, VA.

CALIBRE Systems, Inc. provides management consulting and information technology solutions. Its services include data analytics, energy, environment, and safety management, financial and cost management, installation and land management, training, modeling, and simulation services. The company was founded in March 1989 and is headquartered in Alexandria, VA.