The Carlyle Group and Palamon Capital Partners have acquired DBG (UK) Ltd., a British healthcare support services provider, from Synova Capital. No financial terms were disclosed.www.thedbg.co.uk
Gryphon Investors has sold TrustHouse Services Group, a Charlotte, N.C.–based provider of food services to the healthcare, education and corrections sectors, to Elior SCA, a French portfolio company of Charterhouse Capital Partners, Chequers Capital and Intermediate Capital Group.www.trusthouseservicesinc.com
Haystax Technology Inc., a San Jose, Calif.-based portfolio company of The Edgewater Funds, has acquired Digital Sandbox Inc., a McLean, Va.–based provider of threat, risk analysis and monitoring software to the national security and homeland security markets. No financial terms were disclosed. www.dsbox.com
Leading Edge Aviation Services, a commercial and military aircraft painting company owned byVance Street Capital, has acquired Spokane, Wash.-based Associated Painters Inc. No financial terms were disclosed. www.associatedpainters.com
PLH Group Inc., a portfolio company of Energy Capital Partners, has acquired Pipeworx Ltd., a pipeline contractor in Western Canada. No financial terms were disclosed. www.pipeworx.ca
Quantum Energy Partners has committed $400 million to form Jagged Peak Energy, alongside company management. Jagged Peak will acquire, develop and explore energy and gas assets, primarily focusing on resource plays in select North American basins. It is led by Joe Jaggers, who previously partnered with QEP to form Ute Energy LLC (acquired by Crescent Point Energy for more than $1 billion). www.quantumep.com
Warburg Pincus is leading a $650 million equity commitment for a new U.S. oil and gas platform led by Ben Brigham, according to Reuters. Pine Brook Partners and Yorktown Partners also are participating. Brigham’s last company, Brigham Exploration Co., was acquired in late 2011 by Statoil for $4.5 billion.
Sign up for my daily email newsletter on deals and deal-makers: GetTermSheet.com