* TeleCommunication Systems, an Annapolis firm that sells software and services to wireless telecom companies, trimmed its third-quarter loss to $2.6 million (9 cents per share), compared with $53.8 million ($1.88) in the same period of last year. Revenue rose to $23.2 million from $18.1 million. The company ended the quarter with $23.7 million in cash and cash equivalents. Shares of TeleCommunication Systems closed at $1.65, down 3 cents.

* Online Resources, a McLean provider of Internet banking and payment services, earned $93,000 (1 cent per share) in the three months ended Sept. 30, compared with a loss of $3.1 million (26 cents) in the year-earlier period. Quarterly revenue rose about 28 percent, to $8.2 million, from $6.4 million. The company said it expects fourth-quarter revenue from $8.3 million to $8.6 million and per-share earnings between 1 cent and 3 cents. Shares of Online Resources closed at $3.30, up 1 cent.

* CoStar Group, a Bethesda firm that provides commercial real estate information through the Internet, lost $1.1 million (7 cents per share) in the third quarter, compared with a loss of $4 million (26 cents) in the same period of 2001. Revenue rose to $20.1 million from $18.4 million. Shares of CoStar closed at $17.72, down 3 cents.

* BioReliance, a Rockville biotechnology firm, earned $3.2 million (36 cents per share) during the three months ended Sept. 30, up from $2.2 million (26 cents) in the year-earlier period. Third-quarter revenue rose to $21.6 million from $18.6 million. Shares of BioReliance closed at $25.66, up 7 cents.

* BAE Systems North America, a Rockville government contractor, said it agreed to buy Condor Pacific Industries, a California firm that provides navigation and control products, for $58.5 million. BAE said the purchase will be funded through existing cash. No layoffs are expected among Condor's 566 employees. The deal is subject to regulatory approval and is expected to close within 60 days.

* The Mid-Atlantic Venture Association, a trade group for venture capital firms in the region, said its annual venture fair, Capital Connection, will be held in Baltimore next year on May 27 and 28. This is the second time the fair will be held in Baltimore.

Compiled from reports by Washington Post staff writers, washingtonpost.com and Dow Jones News Service