SPG Steiner GmbH operates as a general contractor in plant construction and delivers high-tech plants for the energy sector with core competencies in planning, engineering and project management; a focus area is storage and distribution of energy in liquid gases such as hydrogen, ammonia and LNG. The family-run company positions itself as a specialized niche provider with proprietary technologies and over 60 years of experience. Headquarters are in Siegen; additional offices are located in Frankfurt/Main (sales and project management) and Ploiesti, Romania (engineering), and the company holds participations including SPG Prematechnik GmbH (100 %), Glassl GmbH (100 %), IOE Impac GmbH (100 %), SKO Steiner GmbH (45 %) and hyfuels GmbH (49 %). The product portfolio includes, according to the report, small-/mid-scale LNG terminals, cryogenic storage tanks, gas treatment plants and flare systems; all product lines require project-based management, procurement, delivery, installation and turnkey project execution. SPG Steiner GmbH is a family business.
Die Entwicklung, die Prozesstechnik, die Konstruktion, die Planung, die Herstellung, die Montage und die Inbetriebnahme von Anlagen der Gas- und Öltechnik, des Kokereianlagenbaus, insbesondere Kokereinebengewinnungsanlagen sowie von Verbrennungsanlagen, Fackel- und Rohrleitungssysteme und Molchstationen, sowie Lagertanks für die Gas- und Ölindustrie, insbesondere Tieftemperatur- und Cryogene Lagertanks.
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Source: German Commercial Register (Handelsregister) Siegen Local Court, HRB 4425 (as of 21 October 2026)
Source: German Commercial Register (Handelsregister) Siegen Local Court, HRB 4425 (as of 21 October 2026)
Source: German Commercial Register (Handelsregister) Siegen Local Court, HRB 4425 (as of 21 October 2026)
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Source: German Commercial Register (Handelsregister) Siegen Local Court, HRB 4425 (as of 21 October 2026)
