Thompson Pipe Group

Thompson Pipe Group is a privately held family business that engineers and manufactures pipe for infrastructure projects. Its product range covers drainage, sanitary, pressure and trenchless pipe, alongside precast concrete products, and the company describes itself as the largest and most diverse provider of these pipe categories in North America, offering the widest range of precast, pressure and trenchless solutions.

The company operates from seven manufacturing locations across the United States, with headquarters in Rialto, California, and serves the North American market. Work spans pipe engineering and manufacturing, precast concrete production, pressure pipe systems, trenchless technology, and drainage and sanitary infrastructure, supported by engineering and logistics functions. Thompson Pipe Group also develops its own software: PGL Connect gives customers visibility into shipments, with online booking and quoting, custom reports and documents, and up to 150 customizable search filters.

The business was founded by contractors and describes itself as 100% American-owned, with a team of engineers, contractors and manufacturers. It positions its work as project support and strategic solutions beyond manufacturing alone, and states an emphasis on continuous improvement, with each generation of products surpassing the last.