TESS is a wholly-owned professional service company, established in 1968 and Norway's largest supplier of hoses for all purposes and associated services.

TESS Approved Hose Workshops and THM Hose Control Systems.

A LEAN partner with own service centers and Partnershop more than 120 locations in Norway, Brazil, Denmark, Scotland, the United States and Singapore.

TESS is Norway's largest supplier of welding products.

Technical trade with integrated supply and cooperation on Partnershop with leading industrial companies.

TESS has 1000 employees in six countries.

Quality assurance system according to NS-EN ISO 9001: 2015.

HSE system according to ISO 14001: 2015 and OHSAS 18001: 2007.

TESS Subsea as is a supplier of slang solutions to the subsea industry.

TESS is a member of EDIS, NAHAD, ISA, NOSCA, Tradebroker Foundation, Subsea Valley and Water Valley