For more than half a century, Bull Moose Tube Company has manufactured steel tube and pipe, with seven North American production facilities serving structural, mechanical, fire-suppression and infrastructure applications. The company is particularly known for its sprinkler pipe and for combining direct-form and round-to-shape manufacturing methods for hollow structural sections. All Bull Moose facilities are ISO 9001:2015 certified, and its technical team works with customers on demanding tubing and product-development challenges.
ISO 9001:2015
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Environmental Product Declaration (EPD)
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Build America, Buy America Act (BABAA)
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Buy American Act Compliance
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Sterling Pipe & TubeFounded in 1987, Toledo-based Sterling Pipe & Tube manufactures electric-welded round, square, and rectangular steel tubing, including tubing for exhaust systems. Its five high-frequency mills operate across more than 275,000 square feet of manufacturing and warehousing space, with three shifts running around the clock and in-house cut-to-length and end-finishing capabilities. Sterling supplies customers throughout the United States, Canada, and Mexico and is ISO 9001:2015 certified.TOLEDO, OH
PTCFor more than a century, PTC has built its identity around American manufacturing, collaborative problem-solving, and a willingness to tackle specifications others have not made before. From plants across six states, the company supplies precision steel tubing and pipe to industrial customers, including automotive and energy manufacturers, with production governed by ISO 9001 and IATF 16949 quality systems.ALLIANCE, OH
International TubeSince 1999, Royersford-based International Tube has manufactured precision small-diameter metal tubing and custom-fabricated components for demanding medical, aerospace, industrial, and electronic applications. The company works with engineers from concept through production, producing miniature tubing with tight tolerances and smooth, clean bores, including sizes down to a .005-inch inner diameter. Its quality system is certified to ISO 9001:2015.ROYERSFORD, PA
Welded Tubes, IncOpened by the Lewis family in Orwell in 1958, Welded Tubes has built its identity around more than six decades of precision tube manufacturing and close technical support for OEM customers. The locally rooted company is known for small-diameter, heavy-wall steel tubing, and it became part of Lock Joint Tube in 2020. Welded Tubes is IATF 16949:2016 certified.ORWELL, OH