John F. Williams

REIT Management & Research LLC provides real estate services. It manages real estate funds for its clients. The company was founded by Barry Michael Portnoy in 1986 and is headquartered in Newton, MA.

RMR Advisors LLC is an investment management firm headquartered in Newton, Massachusetts. The firm was founded in 2003 and is wholly owned by the RMR Group LLC, a subsidiary of the RMR Group, Inc. (NASDAQ: RMR). RMR Advisors provides investment advice to individual and institutional clients.

PSS Holdings, Inc. operates as a holding company. The company was founded in 2007 and is headquartered in McLean, VA.

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.

Seneca Resources LLC operates as an information technology staffing and consulting firm. It offers staffing, consulting and outsourcing. The company was founded by Joseph Wire and Robert Joseph Hisel, Jr. in 2010 and is headquartered in Reston, VA.

National Defense Transportation Association operates as a non-political, non-profit educational association. The company was founded in 1944 and is headquartered in Alexandria, VA.

Northern Virginia Technology Council operates as a membership and trade association for the technology community in Northern Virginia. It serves businesses from all sectors of the technology industry, service providers, universities, foreign embassies, non-profit organizations and government agencies. The company is headquartered in Herndon, VA.

Preferred Systems Solutions, Inc. provides information technology services. Its services include information technology solutions, engineering, intelligence services, program management, staffing services, and Deltek solutions. The company was founded by Robert J. Hisel in 1991 and is headquartered in McLean, VA.

Clarity Practice Management LLC develops a platform for client-centric practice management software as a service. It features the dashboard, staff dashboards, staff alerts on fall behind projects, error tracking, automated client communications and reminders, and client files of accounting and tax firms. The company was founded by Peter Daniel and Frank L. Stitely and is headquartered in Chantilly, VA.