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, a new midstream company focused on the transportation, storage and distribution of crude oil and related products, has secured a $150 million equity commitment from EnCap Flatrock. Houston-based Isis Energy is led by A.J. Brass, former president of the Gulf Coast Asphalt Co.www.efmidstream.com
Plastic Electromechanic Co., a Tunisia-based provider of plastic injection and other industrial services, has raised an undisclosed amount of private equity funding from The Abraaj Group.
SPASiteSolutions, a provider of websites for the accounting market, has acquired ProSites, a provider of medical and dental website design. No financial terms were disclosed. SPASiteSolutions is a portfolio company of The Riverside Company. www.riversidecompany.com
Sign up for my daily email newsletter on deals and deal-makers: GetTermSheet.com