2024-10-16 00:00:00 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.