October 14, 2025 – Cornerstone Capital Partners and its investor group along with management acquired RidgeRock Retaining Walls. Headquartered in Charlotte, NC,  RidgeRock Retaining Walls is a leading value-added distributor of segmental blocks and other components used to build retaining walls, including proprietary concrete block, synthetic geogrid, and other products predominantly sold to commercial, residential, industrial, and municipal contractors and installers and other retaining wall product dealers.  Founded in 1998,  RidgeRock has established itself as a premier distributor of retaining wall products utilizing its core strength of engineering design and development of retaining wall systems for different topographies and building requirements.