Stellex Capital Management, a middle-market private equity firm, has acquired the majority capital of U.K.-based Fox Brothers Holdings Group.

Based in Lancashire, U.K., the company has been in operation since 1932, providing services to the construction and infrastructure industry including muck-away, haulage of aggregates, production of recycled aggregates, waste recycling, quarry operations and ready-mix concrete production. As part of this transaction, the company will also merge with J A Jackson, a quarry operator and producer of recycled aggregates and ready mixed concrete.