Financial terms of the deal were not disclosed.
Reston, Virginia-based DynCorp, a privately held company that reaps most revenues from government outsourcing contracts, has 16,000 employees who work at more than 550 company and customer locations worldwide serving federal, state, and local customers.
Chantilly, Virginia-based GTE Information Systems provides telecommunications and other technology services to governments and other business customers. The $235 million unit employs about 960 people. All employees will be offered jobs at DynCorp, a company spokesman said.
The acquisition will help make DynCorp a full-service voice and data systems integrator that can also provide wireless technology to local and state law enforcement agencies, according to the company. It is expected to boost DynCorp's revenues to about $1.7 billion next year.
The deal is expected to close by the end of the year, the company said.