Seven companies based in Fairfax County made a list of the 100 largest black-owned service/industrial firms in the nation, making Fairfax second only to Detroit, which had eight companies.

Virginia had 13 companies altogether. Maryland had five, according to the listing compiled by Black Enterprise magazine.

The seven Fairfax County companies: software company RS Information Systems, McLean, 15th; Thompson Hospitality, food services, Herndon, 28th; Omniplex World Services, security services, Chantilly, 48th; Centreville defense contractor Unitech, 51st; Communication Technologies, telecom services, Chantilly, 54th; consultant McNeil Technologies, Springfield, 66th; and Falls Church IT company Axiom Resource Management, 76th.

The only local entry in the magazine's top 10 was Radio One Inc. of Lanham, the radio and cable-TV company, which ranked eighth. Also in Maryland: systems integrator Telecommunication Systems, Annapolis, 37; Health Resources, Baltimore pharmacy benefit manager, 45; RLJ Development, Bethesda, Robert Johnson's hotel investment firm, 46; IT firm Paradigm Solutions Corp., Rockville, 69.

VIRGINIA

GTSI, a Chantilly provider of technology products and services to the federal government, said John Spotila would resign as president and chief operating officer tomorrow. Spotila, a former administrator of the federal Office of Management and Budget's Office of Information and Regulatory Affairs, has worked at GTSI for 3 1/2 years.

Virginia Commerce Bancorp, the Arlington-based parent of Virginia Commerce Bank, named Michael G. Anzilotti president. Anzilotti had been president and chief executive of First Virginia Bank's flagship Northern Virginia operation.

Fauquier Bankshares of Warrenton named Randy K. Ferrell president and chief executive, the final stage of what the bank said was a year-long succession plan for C. Hunton Tiffany, with the bank for 40 years.

Norfolk Southern said it agreed to buy 40.5 percent of a company that owns and operates facilities that produce synthetic fuel from coal. Because of tax benefits, the rail company said earnings would increase by $10 million this year.

BearingPoint, a McLean-based business consulting firm, and Microsoft Corp. signed a multi-year agreement to accelerate the development and delivery of information technology products to national and local government markets worldwide. Based on Microsoft enterprise software, the products are designed to help government organizations increase operational efficiency, improve service and reduce costs.

MARYLAND

Grupo GMV, a Spanish aerospace company seeking to break into the U.S. defense industry, opened its first U.S. office in Rockville. Grupo's clients include European government agencies and satellite operators. It has about $54 million in annual revenue, said Pedro Schoch, vice president of GMV Space Systems Inc., the new U.S. unit. The unit plans to sell systems developed for the European market, including mission analysis, systems engineering, satellite control, flight dynamics, data processing and navigation systems. GMV conducted a nationwide search for a location and chose Rockville over sites in California. The firm plans to initially employ up to 30 in the Rockville office.

Panacos Pharmaceuticals, a Gaithersburg-based maker of an HIV drug, said it raised $18.3 million from former investors Ampersand Ventures and A.M. Pappas & Associates. New investors include Mitsui & Co. Venture Partners, Novo A/S, New England Partners Capital, William Harris Investors and Lakeview Capital Management.

Coventry Health Care said it would buy some assets of OmniCare Health Plan of Michigan, putting Bethesda-based Coventry in its third new market in 15 months.

Bioveris, a Gaithersburg biotech firm, has been added to the Nasdaq biotechnology index, appearing today.

DISTRICT

XM Satellite Radio said Japan's Panasonic will make XM-ready car stereos for trucking fleets.

Compiled from reports by the Associated Press, Bloomberg News, Dow Jones News Service and Washington Post Staff Writers.

Warren Thompson leads Thompson Hospitality, No. 28 in the BE 100.Earl Staford is the founder and president of Unitech, which is 51st in the Black Enterprise 100.Donald Kirkley Jr., left, and Tim Ayoub review documents at McNeil Technologies. The Springfield company is No. 66 in the latest Black Enterprise 100.