Orstell Barnett, a more than 30-year business development executive, has been appointed vice president of growth for the federal health…
ManTech International (NASDAQ: MANT) has finalized its acquisition of 7Delta Inc. a provider of applications and software development and integration services
ManTech International (NASDAQ: MANT) has agreed to purchase Columbia, Md.-based technology management contractor 7Delta for an undisclosed sum that includes