LESER manufactures safety valves and overpressure protection components for industrial machinery and equipment. The company's tech stack is almost entirely SAP-based (R/3, S/4HANA, EWM, Controlling), with Excel and Office supporting operations—a pattern typical of mid-sized industrial manufacturers managing complex supply chains and production. Current hiring is intern-heavy (7 of 13 roles) across engineering and operations, suggesting either a training program or temporary capacity building; ongoing projects in standardization, cost accounting, and supplier performance improvement indicate LESER is in the midst of operational modernization rather than product innovation.
LESER is a privately held German manufacturer of safety valves and overpressure protection systems, headquartered in Hamburg with over 1,000 employees worldwide. The company was founded in 1818 as a brass foundry and has specialized exclusively in safety valve design and manufacturing since the 1970s. Its product portfolio spans 8 product groups and 38 valve types, serving industrial sectors across steam, gas, and process equipment protection. Production and engineering are centered in Germany, with global distribution of high-pressure and specialty valves across materials and sizes (DN 10 to DN 400). Operations span manufacturing, supply chain, finance, and engineering functions.
LESER operates primarily on SAP infrastructure: SAP R/3, S/4HANA, EWM (warehouse management), and Controlling modules for financial planning. Microsoft Office, Excel, and Adobe Acrobat support day-to-day operations. MES (manufacturing execution system) bridges plant floor to enterprise data.
LESER is headquartered in Hamburg, Germany, where it operates a state-of-the-art manufacturing facility. The company employs over 1,000 people worldwide and manufactures safety valves exclusively for global industrial distribution.
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