* Maximus, a Reston information technology and consulting firm, said it named Paul R. Lederer to its board of directors. Lederer previously worked as an executive vice president of Federal Mogul and before that was president and chief operating officer of Fel-Pro.

* Veridian, an Arlington government contracting firm, said it was awarded a seven-year Air Force contract that could be worth as much as $20 million. Veridian agreed to provide engineering, data analysis and other services to the Air Force.

* XM Satellite Radio, a Washington-based satellite radio company, said it has more than 500,000 subscribers. SkyWaves Research Associates, an independent research firm based in Ann Arbor, Mich., has predicted XM will have 1.2 million subscribers by the end of 2003.

* The Technology Council of Maryland awarded prizes to six local technology companies and executives at its annual awards dinner last week. DynPort Vaccine of Frederick was named Maryland firm of the year; Sherri Bale and John Compton, co-founders of GeneDx, a Gaithersburg biotechnology firm that provides diagnostic tests for rare disorders, were named entrepreneurs of the year; Promod Sharma, president and chief executive of Rockville-based CNSI, was named executive of the year; Remodulin, a treatment for pulmonary arterial hypertension developed by Silver Spring-based United Therapeutics, was chosen as bio-product of the year; Teams, digital content-management software sold by Rockville-based Artesia Technologies, was named information technology product of the year; and Michael D. Priddy, president and chief executive of Intervise Consultants of Gaithersburg, was named volunteer of the year.

* Ntelos, a Waynesboro, Va., telecommunications firm, said it lost $419.4 million ($24.10 per share) in the three months ended Dec. 31, compared with a loss of $18.9 million ($1.39) in the same period of the previous year. The company's fourth-quarter revenue grew slightly, to $69.7 million from $56.9 million. For the year ended Dec. 31, Ntelos lost $488.9 million ($29.34) and posted $262.7 million in revenue, compared with a loss of $63.7 million ($5.02) on $215.1 million in revenue for 2001. The company filed for bankruptcy protection March 4.

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