William Vantine

Systems Planning & Analysis, Inc. provides engineering, analysis, and program management services. It provides objective and high-caliber work that integrates the technical, operational, programmatic, policy, and business aspects of national security issues. The firm specializes in executive decision support, systems engineering, acquisition support and operations analysis. The company was founded by Phillip E. Lantz in 1972 and is headquartered in Alexandria, VA.

A-TEK, Inc. provides scientific and information technology (IT) solutions. It offers customized training solutions, audio visual and video teleconferencing, integration and support services, workplace optimization, data management, infrastructure services, software and systems development, business intelligence and big data analysis, management consulting, and scientific computing. The company was founded by Debbie Rieger in 1996 and is headquartered in McLean, VA.

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.

Los Alamos Technical Associates, Inc. provides engineering, environmental, and technical services. Its service areas include nuclear, environmental, defense, security, engineering, technical, and intelligent transportation services to federal agencies, state governments, municipalities, and a broad range of private sector industrial clients. The company was founded by Reinig L. Phil in 1976 and is headquartered in Albuquerque, NM.

ARCTOS LLC provides solutions of research & development, technical services, and products to the space, defence, and intelligence markets. The firm is specialized in the areas of engineering & programmatic services, software engineering, logistics & sustainment services, space operations & launch support services, risk management & hazard analysis, advanced materials & additive manufacturing, and international program support. The company is headquartered in Warner Robins, GA.

ARES Corp. provides engineering, information technology architecture, project management, and security services. It offers engineering, quantitative risk management, safety management system implementation, reliability and mission assurance, and systems engineering and security. The company was founded by Richard J. Stuart, Larry E. Shipley, and Amitava Ghose in 1992 and is headquartered in Burlingame, CA.