Gary C. Slack

Westar Aerospace & Defense Group, Inc. provides aviation systems engineering, development, and testing services. The company was founded on December 11, 2002 and is headquartered in Huntsville, AL.

Professional Services Council is a non-profit company that provides policy leadership, advocacy, business intelligence, executive networking, and branding and exposure services to its members since 1972. The company is based in Arlington, VA and has subsidiaries in the United States. The company's recent activities include submitting comments on CISA's draft secure software common attestation form, signing comments on rare earth element rule, and releasing its fifth annual federal business forecast scorecard. The company also offers various events and resources for government contracting. The company's CEO is David J. Berteau, who has been in the position since 2016.

XLA Inc. engages in the provision of acquisition lifecycle support and grants lifecycle management services. It offers financial management, engineering and technical solutions, and international program support. The company was founded by Lloyd M. Mustin II in April 2012 and is headquartered in Vienna, VA.

XL Associates, Inc. provides acquisition lifecycle support, grants lifecycle management, and professional services for agencies, governments, and commercial customers. The company’s services also include project management, acquisition and contracting support, and work-surge manpower support. The company was founded by Lloyd M. Mustin II in 1989 and is headquartered in Vienna, VA.

Concurrent Technologies Corp. provides management and information technology services. Its services include consulting, systems integration, network design, systems architecture, project management, and legacy migration. The company was founded in 1987 and is headquartered in Johnstown, PA.

Enterprise Ventures Corp. provides consultation services. The company was founded in 2000 and is headquartered in Johnstown, PA.