Suma

About

Founded in 1957, Suma is a private headquartered in Sulzberg, Germany with approximately 50-200 employees specializing in Biogas.

Suma Rührtechnik GmbH is a family-owned mechanical engineering company headquartered in Sulzberg, Allgäu, Germany. As the inventor and first developer of electric mixing systems, Suma has specialized in designing and manufacturing high-quality stirring and pumping solutions for biogas facilities, agricultural operations, and industrial applications for over 65 years. The company operates with over 160 employees across five locations and produces mixing systems and the PRESSURA pump line using modular construction principles. The entire value chain is conducted in-house at the Sulzberg facility, ensuring quality control and rapid customization. Suma's product portfolio includes rod stirring systems, submersible motor agitators, and paddle mixers optimized for biogas fermenters to maximize gas yield and process stability by maintaining optimal temperature distribution and nutrient dispersal. The company emphasizes sustainability through environmentally conscious manufacturing processes and serves clients in 66 countries with an export share of approximately 67%.

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