David S. Spannare

US Investigations Services, Inc. provided security investigations services. It offered investigation, healthcare fraud, training, security, litigation support, data analytics, and information management and support services. The company was founded on 8th July 1996 and headquartered in Falls Church, VA.

ManTech International Corp. engages in the provision of information technology and technical services solutions. It also offers cyber security, software and systems development, enterprise information technology, multi-disciplined intelligence, program protection and mission assurance, system engineering, test and evaluation, command, control, communications, computers, intelligence, training, supply chain, and management consulting. The company was founded by George J. Pedersen in 1968 and is headquartered in Herndon, VA.

Litton Industries, Inc. provides electronic, electrical components and equipments to aerospace and marine systems and equipment. Among Litton's popularly known brand-name products are Litton. It was founded in 1953 by Charles Bates and is headquartered in Woodland Hills, CA.

Altegrity, Inc. provides security and information technology services to government and commercial clients. It offers background investigation, security and training services to federal government agencies, investigative, intelligence, financial, security, due diligence and technology and risk consulting services for multinational corporations, law firms, academic institutions, non-profit organizations, sovereign governments, government agencies, high net-worth individuals, entertainers and celebrities. The company is headquartered in New York, NY.