American PsychManagement Inc. of Arlington will help control mental health care costs for Xerox Corp. under a three-year contract that is one of the largest the company has received. The value of the contract was not disclosed.

The Arlington firm, which manages health benefits for corporations and health maintenance organizations, will provide Xerox with nationwide case management for about 30,000 salaried employees and about 45,000 dependents, according to Kenneth A. Kessler, president and founder of American PsychManagement.

MaxTel Cablevision, a Bethesda-based company that provides telecommunication systems for national real estate developers and property managers, has acquired the assets and stock of ODC Communications Corp. and the assets of Liberty-Oxford Cable Partners, both of Bethesda, for $22.5 million.

The acquisitions make MaxTel the largest national owner-operator of private cable television systems for multitenant residential properties, according to Robert R. Swander, MaxTel's chairman. Multitenant residential communities include apartments, condominiums and anything other than hotels and single-family homes, Swander said.

The acquisitions include about 200 private cable systems serving more than 24,500 basic subscribers in more than 20 states, Swander said. Prior to the acquisition, Swander said, many building owners and managers with operations in several areas of the nation had to work with different local contractors. Now, MaxTel can offer "one-call" service on a nationwide basis, Swander said.

Lincoln Savings and Loan Association, a Richmond-based thrift, has purchased three loan offices in Maryland for an undisclosed amount. The acquisition includes some of the assets of Douglas-Michaels Mortgage Service Inc., including loan offices in Silver Spring, Camp Spring and Annapolis.

The move brings the number of Lincoln's loan production offices to 10, according to Lincoln's chairman and president, Thomas A. Ronzetti. With the acquisition, an existing Ronzetti Mortgage and Investment Corp. office in Landover will be consolidated with the Camp Spring office.

Lincoln purchased the loan offices through its mortgage banking subsidiary, Ronzetti Mortgage. The addition adds 22 employees to Lincoln's staff.

Maguire Group Inc.'s mid-Atlantic region office in Falls Church has been named program manager for Philadelphia's proposed $500 million convention center.

The architecture, engineering and planning firm will review and monitor the project's budgets, bidding procedures and architectural plans and specifications. Maguire also will oversee construction and conduct inspections for the state of Pennsylvania.

Plans for the convention center include renovating a historic railroad shed and building an exhibit hall and meeting rooms that will total more than 1.5 million square feet. The project is expected to take five years to complete.

A newsletter designed to inform businesses about legislation in Virginia is being published by Travesky and Associates Ltd., a Fairfax-based government affairs consulting firm.

The Richmond Letter is published by Marie B. Travesky, a former Fairfax County supervisor. Travesky said she developed the newsletter because she felt it was difficult for businesses to follow legislation in the "fast-paced atmosphere of Richmond."

Travesky plans to publish the newsletter every Friday while the General Assembly is in session and once a month during the rest of the year. "Much work is done by standing and special committees throughout the year that shapes legislation," Travesky said. The Richmond Letter can provide its clients with "an early warning system."

Planning Research Corp. of McLean has acquired a Texas firm that provides computerized management information systems for physicians in group medical practices. Price of the acquisition was not disclosed. PRC's acquisition of Computer Information Architects Inc., an Austin-based firm, will combine the computer-based services that PRC's Medic Computer Systems of Raleigh, N.C., currently provides to medical practices. Computer Information Architects, which will remain in Austin, provides systems that automate the financial and administrative operations of medical practices, or groups of physicians that work together in a central office. The acquisition will result in one of the largest businesses of its type in the United States, according to Chuck Taylor of PRC.

He said the acquisition of the 10-year-old Austin firm will give PRC a much stronger base in the Southwest. To date, the Texas firm has installed more than 400 systems, mostly in Texas, Oklahoma, New Mexico and Missouri.

Announcements of news and developments affecting Washington area companies should be sent to Pamela Babcock, Researcher, Business News Department, The Washington Post, 1150 15th St. NW, Washington, D.C. 20071. Information must be received the Monday before publication.