R. John Chapel

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.

Smiths Aerospace Gloucester Ltd. manufactures aircraft and engines. The company is headquartered in Cheltenham, the United Kingdom.

Andrulis Corp. used to provide information technology services and solutions. The company was headquartered in Arlington, DE.

Computer & Hi-tech Management, Inc. (CHM) provides systems integration, software development, network designing and implementation, information security and computer maintenance services. It used to provides network and desktop support services to Naval Air Station pensacola regional information technology customers. It had been acquired by ECI Systems & Engineering (ECI) in the year 2003. It was founded in the year 1994. It was headquartered in Virginia Beach, VA.

Optimus Corp. designed and developed information technology tools and services. The firm's services enhanced public safety, health and the national defense. Its products and services enabled the governments and organizations to improve service delivery. The company was headquartered in Falls Church, VA.

AVIEL Systems, Inc. provides information technology, management consulting, and acquisition solutions to the federal government. The company was founded by John R. Chapel on January 9, 2006 and is headquartered in Reston, VA.

Association for Corporate Growth, Inc. is a global organization founded in 1954 by Kenneth S. Berryman and David H. Brenner. The non-profit company is based in Chicago, IL and has subsidiaries in the United Kingdom, Netherlands, Canada, and the United States. The company's mission is to drive middle-market growth and it serves 90,000 investors, executives, lenders, and advisers to growing middle-market companies. The company's core focus is on middle-market M&A, with more than 25 years of sell-side and buy-side advisory experience, closing more than 200 transactions with a combined value of more than $1 billion. The company also publishes Middle Market Growth, the official publication of the Association for Corporate Growth, which includes a print magazine, website, weekly e-newsletter, and daily newsfeed. The CEO of the company since 2019 is Brent A. Baxter.