AS America, Inc.

AS America, Inc., which does business as American Standard or American Standard Brands, makes plumbing products under the Crane, Fiat, Sanymetal, and Showerite names.


IPEX, Inc. makes  thermoplastic municipal, industrial, plumbing, and fire protection products, including pipe systems, piping, valves, fittings, and other components.

MRC Global US Inc.

MRC Global US, Inc. makes metal products, such as pipes, valves, and fittings. Its products include carbon steel pipes, oil country tabular goods, gas products, and other products for the energy and industrial businesses.

Porcelana Corona de Mexico SA de CV

Porcelana Corona de Mexico, SA de CV, formerly known as Sanitarios Lamosa SA de CV, also known as Vortens, is a Mexican company that makes plumbing fixtures, such as toilets.

Viega LLC

Viega, LLC makes plumbing, heating, and pipe joining systems for industrial, commercial, and residential projects throughout the world. 

EZ-Flo International Inc.

EZ-Flo International, Inc. makes plumbing products, such as water connectors, valves, water heaters/repair supplies, gas connectors, faucets, plumbing fixtures, valves, pipes, and so on.


NIBCO, Inc. makes tubing,  valves, fittings, and flow control products for residential, commercial, industrial, and institutional construction.

SIGMA Corporation

SIGMA Corporation provides waterworks, fire protection, and OEM (original equipment manufacturer) products, including ductile iron pipe fittings and accessories for water and wastewater systems.  

Star Pipe Products Inc.

Star Pipe Products, Inc. makes iron products for the water and wastewater industry, including ductile iron pipe fittings and accessories, joint restraints, and so on. 

Fluidmaster Inc.

Fluidmaster Inc. sells professional and do-it-yourself toilet repair products, in the US and internationally.