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Piping Technology & Products, Inc. (PT&P) was founded as a pipe stress engineering firm in 1975. Our founder got his start by designing a thick-walled expansion joint for Dow Plaquemine. Dow was so pleased, they placed a large scale order to roll out the solution across all Dow plants, which allowed our founder to quit his job, and start PT&P. Over the last 45+ years, we’ve expanded and are now best known for manufactured products. However, our roots in engineering are core to our DNA and how we approach all aspects of the business. Today, PT&P is the only major global manufacturer of Engineered Pipe Supports and Expansion Joints. We have approximately 480 employees including 400+ production employees, 50+ design engineers, and 10 Industrial Engineers at our Houston Headquarters and other facilities. We have performed Field Service work in 41 countries, conducted over 1,000 plant audits, and worked with almost every major EPC, Petrochem, Chemical, and Power company. When you work with PT&P, you can be assured that no other company has seen and solved more issues around Piping Systems than we have.

U.S. Bellows, Inc. has been designing and manufacturing engineered pipe and duct expansion joints for the industry since the 1960s and has been a proud member of the Expansion Joint Manufacturer’s Association (EJMA) since 2002.

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Sweco Fab, Inc., provides a variety of products including Pressure Vessels and Tanks, Bellmouth Reducers, Instrument Supports, Conical Strainers, Anchor Bolts & Embed Plates, Pig Launchers & Receivers, Duct and Transition Pieces, Spectacle and Drip Rings, Orifice Plates and Flanges, and Miscellaneous Products. 

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Pipe Shields innovated methods to produce a consistent, uniform, and non-labor intensive insulated pipe support constructed to prevent direct heat transfer between pipes and their supports.

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Fronek Anchor/Darling Enterprises, Inc., a subsidiary of Piping Technology & Products, Inc., is one of the world’s leading designers and manufacturers of quality engineered shock control products.

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Piping Technology Products

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PT&P’s Robotic Welding Machine

Complete’s 16-170 work pieces per hour / welds up to 20″ per minute / repeat items are automated / reduces weld defects

Customer Testimonials

Weekly Webinars

U.S. Bellows 101 – The Basics of Expansion Joints | November 20, 2025
*Live webinars are approved for 1 hour P.E. credit

Product Spotlight

Cryogenic Pipe Supports with Micarta® G-10 for an LNG Facility in Australia Cryogenic Pipe Supports with Micarta® G-10 for an LNG Facility

 

Blog

F-Type Constant Spring Supports Designed and Manufactured for Gas Plant | September 29, 2025

Type: F-Type Constant Spring Supports Size: 36″- 87″ Length | 24″ Height Material: A36 Carbon Steel | HDG | SS

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