History  1897 - 2020

J.S.Cock AS was established by Jens Sigvald Cock in 1897. Ever since the beginning, 123 years ago, the delivery of valves and related equipment to the process and shipping industry has been the company's most important business area. Today, the fourth generation, Tobias Cock has taken over the role as general manager after completing education and international job experience in related industries.


Jens S. Cock
Jens N. Cock
Ingar S. Cock
Ivar S. Cock
Tobias Cock
Since 2015



Valves and valve equipment

J.S.Cock is one of Norway's leading suppliers of valves, instrumentation and complete process solutions to the following industries: shipyard, offshore, petrochemical, food, pharma, water treatment, smelting, hydropower, paper and wood processing. More recently, J.S.Cock has become a major supplier of valves and filter systems to Norway's fish farming industry. We also design and develop our own valves, which are being produced by a supplier and marketed under the trademark JSC.

Power Coat industrial coating systems

J.S.Cock markets its own line of high-quality industrial coatings under the trademark Power Coat. We offer a wide range of products, which meet the needs and standards set by the industry. Power Coat is available through more than 200 distributors nationwide.

GRACO paint sprayers

Since 1984, J.S.Cock has been the exclusive distributor of GRACO electrical and gas-powered paint sprayers in Norway. Our portfolio includes sprayers for professional contractors, line striping units and air-pressure pumps. In addition, J.S.Cock offers Power Washer pressure washers and TapeTech drywall tools.



Currently, the company has a total of 40 employees at our headquarters in Oslo and our departments in Bergen, Arendal, Larvik and Trondheim.





Virtual Tour

Virtual tour of our warehouse in Oslo:


Company presentation video

The milestones for the valves & instrumentation history:


J.S.Cock History

Company history from 1897 to 2020: