A steel frames production enterprise

Western High-Speed Diameter

A multinational transportation project

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Metal structures for buildings & construction

We carry out our steel structures for use in an industrial and civil construction of any complexity

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Roof steelworks

Manufacturing and installation

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years of market presence

353 640

tons of total output


successful projects


tons of constructions per month

Plant at a glance

ZMK Lenmontag (which is a Russian abbreviation for metalworks facility) firmly stands as one of the major leaders of steel frames industry in St. Petersburg and across the North-West of Russia. Involving the most modern technology, Lenmontag Steelworks enjoys the capability to supply its clients with metal solutions in the fields of bridge, road and general construction.

The constant update of heavy equipment and intellectual reserves makes ZMK Lenmontag a suitable partner even for the extremely complicated or unique requests. Our guarantees for the quality level of steel frame engineering are based on a strict quality management system, as the enterprise is certified after the Russian GOST and international standards ISO 9001:2015, ISO 9001:2015.

Our projects

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Металлоконструкции Арктик СПГ-2

Metal structures for Arctic LNG-2, Center for the construction of large-capacity offshore structures

Lenmontag Steelworks manufactured and supplied metal structures for the flyover…

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Изготовление и поставка металлоконструкций для ThyssenKrupp

Manufacturing and supply of steel structures

Lenmontag Steelworks produced and installed steel structures for 4 crushers,…

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Металлоконструкции для Курской АЭС

Turbine building frame of Kursk NPP-2

Lenmontag Steelworks manufactured and supply metal structures for turbine building frame…

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Поставка металлоконструкций флагштока для яхт-клуба со встроенной трансформаторной подстанцией

Supply of metal structures for a yacht club flagpole

Lenmontag Steelworks supplied metal structures with a total weight of…

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Изготовление металлоконструкций пролетных строений ЖД мостов

Manufacturing of steel structures for spans of railway bridges

Lenmontag Steelworks manufactured the metal structures of the spans of…

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Изготовление конвейеров для комбината в г. Коряжма

Manufacturing of conveyors for the pulp and paper mill in Koryazhma

Lenmontag Steelworks manufactured conveyors for a pulp and paper mill…

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Металлоконструкции бункерной эстакады для ПАО "Северсталь"

Metal structures of the bunker overpass for PJSC “Severstal”

Lenmontag Steelworks manufactured metal structures for a coke bunker rack…

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Металлоконструкции для многофункционального комплекса ГЭС-2

Metal structures for the multifunctional complex HPP-2

Lenmontag Steelworks manufactured metal structures of ceiling with a total…

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The services

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Steel frame design & development
Steel Detailing
Plasma cutting
Drilling Holes
H-beams manufacturing and welding
Steel cutting
Air blasting operations
Anti-corrosion surface protection


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Congratulations on March 8!


Lenmontag Group congratulates the beautiful half of humanity on the holiday! Dear girls and women, continue to sparkle with your unique beauty, delight with your…

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Happy New Year 2021!


Dear colleagues and partners! Lenmontag Steelworks wishes you a Happy New Year and Merry Christmas! We would like to wish you good health, achievement of…

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Construction Professionals Day 2020!


On behalf of Lenmontag Steelworks, we congratulate our respected team, as well as partners of the enterprise, on the Builder's Day! We wish you good…

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International Women’s Day


Lenmontag Steelworks congratulates the beautiful half of us with the Spring Holidays and the International Women's Day! To all of our girls, wives, mothers, and…

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Happy New Year 2020!


Dear colleagues and partners! Lenmontag Steelworks wishes you a Happy New Year and Merry Christmas! We wish you prosperity in all areas of life, first…

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Construction Professionals Day 2019!


As always, Lenmontag Steelworks congratulates its employees and partners with a Construction Professionals Day! We wish you professional victories, achievements of goals and implementation of…

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Metal Structures for the Nakhimov Naval School


ZMK Lenmontag as soon as possible completed the manufacture and installation of metal structures for the building of the new sports complex of the Nakhimov…

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Happy new year 2019!


As always, Lenmontag Steelworks congratulates its employees and partners with a Happy New Year! We wish you and your families all the best, successes and…

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