2525 West Firestone LaneVancouver, Washington 98660


For over 50 years, Wellons has been a leader in providing biomass-fired energy systems, lumber dry kilns, and related products and services to the forest products and industrial power industries. Firmly established and financially sound, we provide our customers with complete services in design, engineering, and manufacturing, as well as installation services and technical assistance.

Headquarters and main manufacturing facility are located in Vancouver, Washington. With additional manufacturing facilities in Sherwood, Oregon and Surrey, British Columbia, Wellons maintains over 215,000 square feet of manufacturing capability. To better serve our customers, Wellons has several additional sales and support offices located throughout the United States as well as a representative in Moscow, Russia and an office in Tehoro, New Zealand.

While we are primarily a manufacturer of high quality energy systems and dry kiln products, it is important to note that we are also an experienced and capable engineering firm. We place high value on the individual and collective engineering experience to be found in the ranks of Wellons employees and upper management. This contributes to our past and future success.

ASME & National Board Authorized

Wellons, Inc. is accredited by the American Society of Mechanical Engineers (ASME) for the manufacture and assembly of power boilers, heating boilers, and pressure vessels with the ASME Certification Marks: S, H, and U.

Wellons, Inc. also is accredited by the National Board of Boiler and Pressure Vessel Inspectors for repairs and alterations of boilers, pressure vessels, and pressure retaining items for both shop and field locations under the "R" Certificate of Authorization.

Our experience spans internationally, and over the years, we have completed and registered hundreds of boilers and pressure vessels with the National Board. At Wellons, quality and safety are our first priority.