Deltek, a Herndon, Va.-based portfolio company of Thoma Bravo, has acquired Acumen, an Austin, Texas-based provider of project management solutions and services. No financial terms were disclosed. www.deltek.com EDAC Technologies Corp., a portfolio company of Greenbriar Equity Group, has acquired the aerospace and defense business of Florence, Ky.-based composites manufacturer Parkway Productsfor an undisclosed amount. www.parkwayproducts.com
Isight Partners, a Dallas-based provider of global cyber threat intelligence solutions, has raised an undisclosed amount of funding from The Blackstone Group. www.iSIGHTpartners.com
Isis Energy, MORE