Treston USA - 140+ Years of Innovation

DID YOU KNOW? Treston (formerly Sovella) began over 140 years ago! In 1876, GWS began manufacturing tin roofs and other products in a small workshop in Helsinki, Finland. This family-owned business grew to become Sovella Inc, which merged with Treston Inc in 2015.

Watch the video below to learn more about the history of Treston USA!


We are proud of our past achievements, but our eyes are set on the future. We look forward to bringing our human-centered design even closer to you.


Brief Timeline of Events:

1876 – GW Sohlberg founded in Helsinki, Finland
1950s – GWS begins using injection molding for plastic containers. Manufacture of industrial furniture by GWS begins.
1960s – Sovella brand name established for the first time
1969 – Treston is established by Vaasamills, which begins production of plastic bins and boxes. Palaset storage system is developed (cube storage boxes combined together to form complete storage system).
1973 - GWS buys Pikval Oy, a manufacturer of metal store furniture
1975 - GWS furniture production moves to Jyvaskyla, Finland
1970s - Treston acquires Ergofinn, a leader in ergonomic furnture products. Vaasamils merges with Finnsugar, giving Treston the financial means to further develop their ESD product offering.
1980s - With the rise of consumer electonics industry, GWS and Treston both begin offering anti-static products, including benches, chairs, and storage.
1987 – Treston ownership changed through a management-buy- out arrangement
1990s – GWS Systems brand created to regroup the industrial division of GWS Group. The international dealer network explands to include locations in the UK, Sweden, Germany, France, China, Poland and the US (Kennesaw, GA).
2004 – GWS Systems becomes an independent company
2007 – Sovella Group becomes the new name of the company
2011 – Treston Group acquires Sovella Group. The 3D Configurator is launched.
2015 – Sovella and Treston merge, Sovella USA remains under Sovella brand name
2017 – Sovella USA becomes Treston Inc



During our long and rich history, Treston USA has had the opportunity to partner with some of North America’s greatest innovative leaders whose products shape our society. In our own small way, Treston has been a part of:

  • launching spacecraft into outer space
  • building weapons that defend our nation
  • constructing aircraft for travel and defense
  • producing the vehicles that travel our roadways
  • mining for raw materials that build products and cities
  • creating medical devices that heal injury
  • providing tools that give patients their sight
  • supplying adaptable tables that allow those with disabilities to thrive in the workplace
  • packaging luxury products such as handbags and watches for retailers
  • research and development in laboratories

We are extremely proud of the experiences these opportunities have provided us and the small part we have played in making North America better and more productive.

Treston is more than just a “workbench” company – we are truly a supplier of solutions to individuals who produce great results and innovation. Thank you for allowing us to participate in all of these advancements for such a long period of time. We look forward to providing workspaces to the next great producers and innovators of our time.