For the second consecutive year, Aquatherm, the Lindon, Utah-based marketer and supporter of German-manufactured polypropylene-random (PP-R) pipe systems, appears on Forbes magazine’s annual list of America’s Most Promising Companies.

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Aquatherm ranks No. 97 on the list of “100 privately held, high-growth companies with bright futures.” It is the only building-industry company.

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In compiling the list, Forbes considered sales and hiring growth, quality of management and investors, margins, market size, and key partnerships.

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In 2012, Aquatherm opened a new headquarters and warehouse in Lindon and expanded distribution partnerships with major wholesalers and manufacturer’s representatives nationwide. Already in 2013, the company has introduced two products: a PP-R-to-PEX transition for radiant jobs and a copper stubout for domestic-water installations.

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“We’re excited and expect to continue growing—along with an industry we believe is on the upswing,” Aquatherm President and Chief Executive Officer Steve Clark said.

For the complete list of America’s Most Promising Companies, go to http://www.forbes.com/most-promising-companies/list/.