Paradigm Holdings Inc. has purchased Caldwell Technology Solutions LLC, a provider of information technology services and solutions for national security programs within the intelligence community.
Science Applications International Corp. has signed an agreement to acquire Benham Investment Holdings LLC, an engineering and life-cycle technology firm.
National Oceanic and Atmospheric Administration seeks a vendor to help the agency study the status of commercial equipment for gathering information about solar flares.
Hart InterCivic Inc., a maker of electronic voting systems, has acquired a geographical information systems company and restructured to incorporate the new technology.
Alion Science and Technology Corp. has won a $25 million contract option to provide program management expertise to support the Navy's Program Executive Office for Ships.
Defense contractor D&S Consultants Inc. has completed its acquisition of Viatech Inc., a government systems engineering, information management and technical services company.