Greystones Group, LLC, headquartered in Reston, VA., is a diversified small business specializing in Program Management, Information Technology, Research and Communications services. Greystones is certified by the U.S. Small Business Administration for participation in the 8(a) Business Development Program and is a woman owned business. Since its inception, Greystones has grown rapidly, with clients that include the Office of Naval Research, The National Guard Bureau, Gryphon Technologies, L-3 Communications, VeriSign, AOL, and the World Bank. Learn more.