Siekmann Econosto
stands for quality, safety, individual
product innovations & global service.
Our mission: Let‘s deliver the extraordinary
to make industry work better.

Siekmann Econosto is a supplier and manufacturer of high-quality valves and industrial services for power plant technology, oil and gas plants, (petro) chemical plants and pipelines. SE stands for engineering excellence, quality, safety, reliability and internationality. Our mission: Let‘s deliver the extraordinary to make industry work better.

Siekmann Econosto
stands for quality, safety, individual
product innovations & global service.
Our mission: Let‘s deliver the extraordinary
to make industry work better.

Siekmann Econosto is a supplier and manufacturer of high-quality valves and industrial services for power plant technology, oil and gas plants, (petro) chemical plants and pipelines. SE stands for engineering excellence, quality, safety, reliability and internationality. Our mission: Let‘s deliver the extraordinary to make industry work better.

Headquarters Dortmund
Dortmund is the headquarters of the Siekmann Econosto Group.
This is where the management team is based. The central functions, such as Strategic
Corporate Development including the management of subsidiaries and branch offices, Marketing, Finance, Controlling, IT, QM, Process Management and Product Management are all located here.

Zwenkau branch office
Siekmann Econosto in Zwenkau is a branch of Dortmunder KG and is responsible for the fields of business and customer sectors assigned to it in coordination with Dortmund. Our central logistics centre is located here with one of the largest valve warehouses in Europe (approx. 4000 m² covered space), a production area with machining technology as well as all the necessary assembly and testing facilities including mobile service equipment. Our highly qualified staff are able to realise non-standard requirements for valves, such as the construction of actuators and the installation of valve positioners as well as the cleaning of valves for highly sensitive applications in the oxygen sector.

Headquarters Dortmund
Dortmund is the headquarters of the Siekmann Econosto Group.
This is where the management team is based. The central functions, such as Strategic
Corporate Development including the management of subsidiaries and branch offices, Marketing, Finance, Controlling, IT, QM, Process Management and Product Management are all located here.

Zwenkau branch office
Siekmann Econosto in Zwenkau is a branch of Dortmunder KG and is responsible for the fields of business and customer sectors assigned to it in coordination with Dortmund. Our central logistics centre is located here with one of the largest valve warehouses in Europe (approx. 4000 m² covered space), a production area with machining technology as well as all the necessary assembly and testing facilities including mobile service equipment. Our highly qualified staff are able to realise non-standard requirements for valves, such as the construction of actuators and the installation of valve positioners as well as the cleaning of valves for highly sensitive applications in the oxygen sector.

Global delivery service & partnerships

Siekmann Econosto develops, modifies and delivers a comprehensive portfolio of industrial valves according to international regulations and the highest standards with guaranteed availability.

Our international network and long-standing technological partnerships guarantee global sourcing in accordance with international standards and a comprehensive worldwide delivery service. Our logistics centre in Zwenkau near Leipzig has more than 50,000 valves in stock, which we modify for customer-specific requirements. We manufacture components and complete solutions for international valve markets.

Worldwide delivery service and worldwide procurement

On 6 continents they rely on our know-how

Valves delivered to over 50 countries

Over 1,000 projects worldwide