Hydro Conduit, LLC, doing business as Rinker Materials, Inc., along with its subsidiaries, manufactures and sells concrete pipe, box culvert, precast, and related products in the United States, Canada, and Mexico. It operates through Drainage Pipe & Products; and Water Pipe & Products segments. The company offers concrete drainage pipes used for storm water applications, residential and non-residential site developments, sanitary sewers, low-pressure sewer force mains, tunneled systems, treatment plant piping, and utility tunnels; precast concrete products, including box culverts, utility vaults, manholes, drainage inlets, and pipe end sections used for roadway and airport drainage, storm water management, utility construction, and water treatment and filtration systems; and architectural panels for buildings, modular railroad crossings, retaining wall and storm water treatment systems, highway noise barriers, and concrete vaults that are used to house dry or wet utilities. It also provides hollow-core planks, prestressed bridge girders, beams, columns, wall panels, stairs, garage floors, and architectural claddings for parking garages and arched and modular bridges; precast concrete bridge girders for highway projects; precast concrete foundation to support prefabricated shelters or equipment buildings; precast product that consolidates and protects underground electrical and communication cables; and storm water technologies for storm water management market. In addition, the company offers ductile iron pipes for transmission and distribution of potable and wastewater; concrete pressure pipes for water transmission and distribution, power plant cooling water lines, sewage force mains for waste and storm water, and other applications; and prestressed concrete and bar-wrapped concrete pipes. The company was incorporated in 1963 and is headquartered in Houston, Texas with additional locations in the United States. As of March 18, 2022, Hydro Conduit, LLC operates as a subsidiary of Quikrete Holdings, Inc.