Charlesbank Capital Partners has acquired HDT Global, a solutions provider for government, military, commercial and industrial customers, from Metalmark Capital. HDT management is making a significant co-investment in the deal. Founded in 1937, the company’s products are designed to create and control environmental conditions to protect and optimize the functioning of equipment and personnel (e.g. rapidly deployable shelters, environmental control and power equipment). Customers include major branches of the U.S. military, international governments and large industrial companies. Ropes & Gray provided legal advice to CCP.