About us

TESS, Technical Trade, has specialized in hoses for all purposes for over 55 years and is today the leading supplier of operation and maintenance products in Norway.

Technical services and sustainable solutions ensuring customer uptime are part of our DNA at TESS. At TESS, you encounter professionals on both sides of the counter, providing the best availability in the market with over 130 local service centers. Development and innovation are ensured with a dedicated technical division producing specialized hoses and a range of finished products in hydraulics and Subsea. TESS also has several subsidiaries engaged in operations and maintenance.

Sustainability is an integral part of our daily operations, with a focus on long-term collaboration with customers in Energy, Aquaculture, Contractor, Industry, and the Public sector.

A personal relationship with you as a customer has always been the hallmark of TESS – our availability, technical expertise, and commitment.

Facts about TESS:

  • Founded in Drammen in 1968 and is wholly Norwegian
  • Owned by employees and the Erik Jølberg Foundation
  • Headquarters and central warehouse in Lier near Drammen
  • Approximately 1,400 employees
  • 6 billion NOK gross group turnover
  • TESS International includes Denmark, Scotland, Spain, USA, Brazil, and Singapore
  • Member of Ethical Trading Norway


Core values

Independence, sobriety, and self-determination characterize TESS. Accessibility for our customers shall always be 24/7/365. As a company, we shall remain politically independent and neutral also concerning beliefs, ethnicity, orientation, and union membership. Our relations with authorities shall be exemplary, and our employees are, have been, and will be our most important resource. TESS is owned by the Erik Jølberg Foundation and employees. Millions are annually allocated to support children and youth.