COG celebrates 150 years

03 December 2017

COG, the German independent manufacturer of precision seals, is celebrating its 150th anniversary this year. 

The company has been a family concern since 1867 and is managed by fifth-generation family members, Jan and Ingo Metzger. COG was founded as a leather factory with a tannery attached by Gebhardus Metzger in Pinneberg near Hamburg, Germany and was later merged with drive belt specialist C. Otto Gehrckens. 

The company produces elastomer seals in different specialist processes for diverse industrial branches, standardized or tailored to individual requirements. COG operates a huge O-ring warehouse, which houses over 45,000 items.