US Bellows is a manufacturer of metal bellows

Metal bellows

Metal bellows are elastic vessels that can be compressed when pressure is applied to the outside of the vessel, or extended under vacuum. When the pressure or vacuum is released, the bellows will return to its original shape .Bellows technology of the 20th and 21st century is centered on metal...

, fabric expansion joints, and metallic expansion joints including refractory lined, hinged, gimbal, slip-type, in-line pressure balanced, and elbow pressure balanced expansion joints. It was acquired by Piping Technology and Products in 1997 from Ketema-U.S. Bellows, Inc. and is now located in Houston, Texas. U.S. Bellows, Inc. provides a variety of expansion joints for piping and duct systems and has been a member of the Expansion Joint Manufacturers Association, Inc. since 2002. It is a privately held company owned by Durga D. Agrawal. It is a subsidiary of Piping Technology and Products

Piping Technology and Products

Piping Technology and Products is a privately owned pipe support manufacturing and engineering company headquartered in Houston, Texas, United States. Its wholly owned subsidiaries are US Bellows, Sweco Fab, Fronek Anchor/Darling, Enterprise, and Pipe Shields...

. These companies provide pipe supports and expansion joints to international companies including Dow Chemical Company

Dow Chemical Company

The Dow Chemical Company is a multinational corporation headquartered in Midland, Michigan, United States. As of 2007, it is the second largest chemical manufacturer in the world by revenue and as of February 2009, the third-largest chemical company in the world by market capitalization .Dow...

, Chevron Corporation

Chevron Corporation

Chevron Corporation is an American multinational energy corporation headquartered in San Ramon, California, United States and active in more than 180 countries. It is engaged in every aspect of the oil, gas, and geothermal energy industries, including exploration and production; refining,...

, ExxonMobil

ExxonMobil

Exxon Mobil Corporation or ExxonMobil, is an American multinational oil and gas corporation. It is a direct descendant of John D. Rockefeller's Standard Oil company, and was formed on November 30, 1999, by the merger of Exxon and Mobil. Its headquarters are in Irving, Texas...

, and Bechtel

Bechtel

Bechtel Corporation is the largest engineering company in the United States, ranking as the 5th-largest privately owned company in the U.S...

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