4 Companies in Dillenburg

eisenberger GmbH is a German company based in Dillenburg, founded in 1973 by Dipl.-Ing. Gerhard Eisenberger. It operates in hydraulics, pneumatics, linear technology and electronic control, with roughly four decades of accumulated experience. More than 60 employees work at the firm, about one third of them technicians and engineers. The company plans complete system solutions, builds customized components and supplies spare parts. Its warehouse covers approximately 2,000 square meters, supporting rapid delivery. The business serves both machine builders and machine users.

COHLINE GmbH is a German manufacturer of pipe and hose line systems, established in 1932 and headquartered in Dillenburg. The company serves the automotive, commercial vehicle, construction, agricultural machinery, and engine sectors, supplying solutions for oil supply, turbocharging, fuel, cooling, heating, braking, and hydraulics. Its production focuses on meeting the specific requirements of OEM customers, with an emphasis on technical precision and durability. COHLINE employs between 500 and 999 people and operates as a customer-specific manufacturer, aligning its output with individual client needs. The company is recognized internationally for its expertise in hose and pipe line technology.

Weber GmbH & Co. KG – Kunststofftechnik und Formenbau is a family-owned plastics processor headquartered in Dillenburg, Germany, founded in 1949. The group operates as a development supplier and system partner for automotive, building and heating technology and household appliance sectors. Its plastics technology division develops and produces plastic components, modules and systems, covering concept, development and serial production readiness. Core competencies include interior kinematics, mechatronics, hybrid technology, acoustics, lighting and surfaces. A second division, wezi-lit, produces high-temperature sealing putties. Manufacturing sites are located in Germany, Poland and China. The company holds DIN ISO 9001, IATF 16949, DIN ISO 50001 and DIN ISO 14001 certifications.

Geier Starkstromtechnik GmbH is a family-run electrical engineering firm founded in 1970 by Karl-Ludwig Geier and his wife Friedegund, headquartered in Dillenburg, Germany. The company provides service, sales and installation for high-voltage systems, transformers, distribution systems, switchgear, cable work and transformer stations, and also performs network and harmonic analyses. Reactive power compensation is a core activity. With more than 30 employees and over five decades of experience, it handles inspection, maintenance and repair of existing installations as well as planning, installation and support of new energy systems.