American Management Systems Inc., an Arlington-based computer software and professional services company, opened offices in Brussels, London and Frankfurt.

AMS said its expansion into Europe is in response to more than $5 million in business in 1989 from overseas financial institutions.

AMS has 29 offices nationwide and serves 63 international financial institutions. The company develops generic software packages and tailors the packages to the needs of its clients. The company had revenue of $225 million last year.

Although its sales to state and local governments, universities and telecommunications firms increased in 1989, sales to the federal government and financial institutions declined.

Markey Group of Frederick, Md., a communications and information services firm, won a contract from Cellular Publishing and Communications Group of Durham, N.C., to produce a series of information directories for cellular telephone users in the Midwest.

The directories will be distributed to cellular telephone subscribers in the markets served by Ameritech Mobile, a subsidiary of Ameritech of Chicago. The contract, which includes renewal and expansion options, is valued at $10 million over the first two years.

Vanguard Research Inc. of Fairfax received a $7.9 million contract to provide systems engineering and technical assistance to the Strategic Defense Initiative Organization's National Test Bed Joint Program office in Colorado Springs.

The program is designed to evaluate and test systems for use in the event of a ballistic missile attack.

QuesTech Inc. of Falls Church said its wholly owned Engineering Resources Inc. subsidiary received a contract from the Naval Regional Contracting Center, Washington Navy Yard, to operate and maintain naval radio transmitter facilities.

The contact, which runs for one year with three option years, is valued at $8.5 million.

Allstate Financial Corp. of Arlington increased its line of credit at National Westminster Bank N.A. to $15 million from $7.5 million and its letter of credit facility to $5 million from $1.5 million.

Del Ray Associates opened in Alexandria to help small companies produce newsletters for corporate communications.

Green Spring Mental Health Services of Columbia, Md., the mental health subsidiary of Blue Cross and Blue Shield of Maryland, opened the Child and Adolescent Study Center and the Green Spring Educational Resource Center at its Columbia headquarters to address academic, emotional and behavior problems of children and young adults.

Baker Communications opened in Potomac, specializing in marketing brochures, trade shows and special events.

Infinity Film and Video Productions Inc. opened in Chevy Chase.

International Association for Seminar Management opened in Washington.

Empress Software Inc. of Greenbelt opened Empress High Tech Software GmBh in Rostock, East Germany.

Glickman Design/Build of Rockville added a service division to perform small repair, inspection and remodeling jobs.

Day and Night Printing Inc. of Tysons Corner opened an office in Washington.

Environ Corp. of Arlington, an environmental and health sciences consulting company, opened its second California office in Irvine.

Sparkman and Bartholomew Associates Inc. of Washington, a graphic design firm, changed its name to Sparkman Byrd and Associates Inc.

Acquisition Dynamics Inc. of Arlington, which provides management and engineering support to the government in the areas of quality and safety, changed its name to ADI Technology Corp.

Morgan & Finnegan, the New York-based intellectual property law firm, opened an office in Washington, its first office outside the New York metropolitan area.

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.