* Eagan, McAllister Associates, a Lexington Park defense contractor, won a $195 million follow-on contract to provide systems engineering and support services to Space and Naval Warfare Systems Center Command, Systems Center Charleston. The contract is for one base year and four options years. EMA will provide support in software development, configuration management, testing, fleet introduction, product improvement, quality assurance, logistics and life-cycle management. Work will be performed primarily in Charleston, S.C.

* DigitalNet, a Herndon network computing company, won a contract worth up to $25 million from the Department of Homeland Security's U.S. VISIT Program Office to provide fingerprint identification services at Western Identification Network in San Diego and the Biometrics Support Center in Washington. The contract term is one year with four option periods.

* Versar, a Springfield professional services firm, won a contract from Campbell Roofing and Construction to provide emergency-repairs management, health and safety and administrative support for the Federal Emergency Management Agency's reconstruction efforts in response to the recent Florida hurricanes. Terms were not disclosed. Versar has created an incident response center providing temporary roofing and other construction support for residential and commercial buildings in Florida.

* Northrop Grumman won a contract from the U.S. Air Force Electronic Systems Command to provide a national military command-and-control system to Slovakia. Terms were not disclosed. The command center will be located in Bratislava. Northrop Grumman's Mission Systems sector in Reston will integrate, install, test and deliver the system by February. The company also will provide on-site system support, continue training Slovakian soldiers to use the system for an additional six months and provide off-site support through May 2007.

* Science Applications International, a San Diego company with offices in McLean, said accounting errors caused it to restate its financial results for 2003. In a September filing with federal regulators, the company said it overstated its income tax expenses by $13 million for the year. As a result, its restated net income for 2003 is $259 million, compared with the $246 million it originally reported.

Compiled from reports by Washington Post staff writers.