Tenaris

Headquarters

Ambridge, PA

Tenaris manufactures seamless and welded steel pipes and related tubular products, principally for the global energy industry and also for other industrial applications. Its integrated manufacturing system spans steelmaking, pipe rolling and forming, heat treatment, threading and finishing across 17 countries; the company reports 8.7 million tons of annual pipe manufacturing capacity and four R&D centers.

• TM
  TMKTMK is a producer of steel pipe and tubular products, particularly for the oil and gas industry. The company also supplies pipe for industrial applications, power generation and chemical processing, and describes its product range as including seamless and welded pipe.AMBRIDGE, PA
• Bristol Pipe and Tube, IncBristol Pipe and Tube, Inc., based in Bristol, Tennessee, has manufactured welded steel pipe since 1941. It operates a 190,000-square-foot manufacturing facility and makes pipe for projects across major industrial markets around the world.MUNHALL, PA
• Welded Tube of Canada CorpFounded in 1970, Welded Tube of Canada is a cold-formed carbon and HSLA steel tubular producer headquartered in Concord, Ontario. The company operates five manufacturing and finishing facilities in Canada and the United States and reports annual production capacity of 700,000 tons. Its three divisions produce energy tubulars, mechanical ERW tubing, and hollow structural sections.LACKAWANNA, NY
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