Hartford Concrete Products, Inc. is one of the nation's most prominent manufacturers of precast concrete products, specializing in Controlled Environment Vaults (CEV), Equipment Enclosures (EE), Concrete Universal Enclosures (CUE), Utility Manholes, and Wastewater products. Additional product lines include: Redi-Rock retaining walls, tunnels/trenches, packaged valve/meter vaults, switchgear/transformer vaults, and homeland security products.