Wikipedia
McWane, 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 products including ductile iron pipe and fittings, fire hydrants, cast iron soil pipe and fittings, 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 fire protection systems and extinguishers through its Amerex subsidiary.
Based in Birmingham, Alabama, McWane is a privately held, family owned company employing almost 6,000 people in 25 facilities nationwide. In addition to the United States, the company has operations in Australia, Canada, Chile, China, India, Norway and the United Arab Emirates. Its operating revenues are estimated at approximately $1.5 to 2 billion .