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United Metallurgical Company

Russia's largest and Europe's leading manufacturer of large-diameter pipes, railway wheels, and vehicle springs.

Last updated September 26, 2026

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Overview

United Metallurgical Company (OMK) is a major Russian steel and metal processing company headquartered in Moscow. Founded in 1992 by Anatoly Sedykh, who remains chairman of the board of directors, OMK has grown into a key supplier of pipes and metal products for Russia's energy and transportation sectors. The company is Russia's and Europe's largest manufacturer of large-diameter pipes, railway wheels, and springs for vehicle construction, and the second-largest manufacturer of pipes overall in Russia. Its production capacity includes 2 million tonnes of large-diameter pipes, 850,000 railway wheels, and 90,000 leaf and coil springs per year. OMK has supplied pipes for major pipeline projects such as Nord Stream, South Stream, and the ESPO pipeline. Its largest production site is in Vyksa, employing 13,500 people, where it operates a mini-mill, a continuous casting facility, and a hot rolling mill for heavy plate production, as well as spiral-welded pipe and railway wheel production. OMK remains a privately held company and continues to be a significant player in the global metallurgical industry.

History

United Metallurgical Company (OMK) was founded in 1992 by Anatoly Sedykh, who remains the chairman of its board of directors. From its base in Moscow, OMK grew through acquisitions and investments to become a leading Russian metallurgical company. It established itself as Russia's and Europe's largest manufacturer of large-diameter pipes, railway wheels, and springs for vehicle construction, and as Russia's second-largest pipe producer overall. The company's largest production facility is located in Vyksa, where it employs 13,500 people and operates a mini-mill, a continuous casting facility, and a hot rolling mill for heavy plate production, along with spiral-welded pipe and railway wheel production. OMK has been a key supplier for major pipeline projects, including Nord Stream, South Stream, and the ESPO pipeline. Its annual production capacity stands at 2 million tonnes of large-diameter pipes, 850,000 railway wheels, and 90,000 leaf and coil springs. OMK remains a privately held company and continues to operate as a significant player in the global steel industry.

  • 1992

    Founded by Anatoly Sedykh

Products and positioning

Leading Russian and European manufacturer of large-diameter pipes, railway wheels, and springs, with a strong focus on supplying the energy and transportation sectors.

  • Large-diameter pipes

    Pipes with a diameter typically over 508 mm, used in oil and gas pipelines.

  • Railway wheels

    Wheels for railway rolling stock.

  • Leaf springs

    Suspension springs for vehicles.

  • Coil springs

    Suspension springs for vehicles.

Sources2 sources

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