The Software Productivity Consortium, based at Virginia's Center for Innovative Technology in Herndon, has been selected by the Software Engineering Institute (SEI) to provide software process assessment services throughout the United States.

The Software Engineering Institute, which is based at Pittsburg's Carnegie-Mellon University but sponsored by the Department of Defense, evaluates and assesses engineering and software development practices at organizations nationwide. The Software Productivity Consortium develops advanced software engineering methods, processes and tools for its member companies.

The Consortium's members include Boeing Corp., Ford Aerospace Inc., General Dynamics Corp., Grumman Corp., Harris Corp., Hughes Aircraft Co., Lockheed Corp., Martin Marietta Corp., McDonnell Douglas Corp., Northrop Corp., Rockwell International Corp., United Technologies Inc. and Vitro Corp.

Beginning in February, four consortium teams will begin looking at the software development processes of commercial and government organizations seeking to improve their software engineering practices.

Caterair International Corp. of Washington completed refinancing of its $244 million bridge loan incurred last December as part of the transfer of assets from Marriott Corp. to Caterair.

Caterair was formed through a management buyout of Marriott's airline catering division.

The refinancing cuts Caterair's interest costs, but other details of the transaction were not disclosed.

FWB Mortgage of Rockville, which last year serviced about $50 million in loans, was acquired by its senior officers for an undisclosed amount. The company's name was changed to BMIC Mortgage Inc.

GTE Spacenet Corp. of McLean was awarded a $5.7 million contract to install a national private business communications network for Silo Inc. of McLean, a retailer of consumer electronics.

Raven Services Corp. of Lorton was awarded a $3.2 million contract for operation and maintenance services at the IRS national office building in Washington.

Salter Machine Corp. of Alexandria changed its name to Salter Machine and Product Support Inc. after it was sold for an undisclosed amount to James McGuinness.

Tydac Technologies Corp. of Arlington was awarded a contract by the Florida Game and Fresh Water Fish Commission to provide its geographic information system to help meet the conservation needs of Florida's wildlife.

The Bethesda-based accounting firm of Kershenbaum, Abel, Kernus and Wychulis acquired Paris & Paris P.C. of Rockville for an undisclosed amount.

Beyreuther Co., an investment management firm of small-to mid-size pension and profit sharing plan portfolios, moved its headquarters to Washington from Denver.

Bomstein Agency of Washington was awarded the $600,000 advertising contract for Ford's Theatre.

The Warren Consulting Group opened in Germantown to help register vendors with public agencies at the local, state and federal levels.

P/E Associates, a treasury operations consulting group, opened in Germantown.

STG Marketing Communications Inc. opened in Manassas to provide business-to-business marketing communications.

Donald H. Nixon opened a law office in Rockville.

Comtek Inc. of Silver Spring opened an office in McLean.

Photo-Tech of Olney opened its second store and photo lab in Rockville.

Karr Sombat Associates Inc. of Wheaton changed its name to Steven J. Karr AIA Inc.

Gershman, Brickner & Bratton Inc. of Falls Church, a solid waste consulting firm, opened an office in Merrimack, N.H. to support its New England regional clients, such as the Connecticut Resources Recovery Authority.

Announcements of news and developments affecting Washington area companies should be sent to Regional Report, Business News Department, The Washington Post, 1150 15th St. NW, Washington, D.C. 20071.