McWane

McWane Industries, Inc. is one of the world's largest manufacturers of iron water works and plumbing products and one of America's largest privately owned companies. The company manufactures a host of different products including ductile iron pipe and fittings, cast iron soil pipe and fittings, heavy duty couplings, utility poles, and related products. McWane is also a manufacturer of pressurized cylinders for the storage of propane and other gases through its Manchester Tank and Equipment Company division and tank refurbishment and recertification through its Ditech Testing division, as well as fire protection systems and extinguishers through its Amerex subsidiary. Additionally, McWane owns and operates hotels, self-storage businesses and industrial warehousing through Highline Real Estate.

Based in Birmingham, Alabama, McWane is a family-owned company employing more than 6,000 team members in over 20 locations worldwide. In addition to the United States, the company has international operations in Canada, China, and India. McWane’s products are used across Asia and the Pacific, Europe, South America and nearly everywhere in North America. McWane's operating revenues were estimated at approximately $3.2 billion in 2025.