Wellons, Inc.

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 Wellington, 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.


Wellons Corporate Headquarters, Vancouver, WA
Wellons Corporate Headquarters, Vancouver, WA






218,000 sq ft


65,000 sq ft







Wellons Shop - Panel Boiler Fabrication

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.

Wellons Group of Companies

Wellons Map of Corporate Offices

Wellons group of companies have offices located throughout the United States and Canada, as well as an office in Te Horo, New Zealand.


  • Wellons, Inc

    Wellons, Inc. is the founding member of the Wellons group of companies. In addition to our engineering and manufacturing capabilities, Wellons also offers installation of our systems in the USA, and technical assistance with installation and commissioning for our international projects. Wellons also has a complete customer service department, offering parts, technical services, consulting, and boiler and refractory services through our RPI Division, and maintenance and repair of industrial power boilers through our WPG Division. Wellons also has a New Zealand sales and engineering office providing local representation to the Australasian region and an engineering office and manufacturing procurement in Bangkok, Thailand.

  • Wellons Canada

    The Wellons Canada Quebec facility, formally known as Wellons FEI, has supplied the North American market with wood fired energy systems and lumber dry kilns since 1984. Located in Sainte-Julie, Quebec, this location specializes in biomass energy systems using step-grate technology with a wide range of industrial and commercial applications, including co-generation. Wellons Canada lumber dry kilns are high performance systems specifically designed and manufactured to be safe, efficient, and durable. Custom designs are available for soft and hard wood applications. Kiln control systems are part of the Wellons Winkiln format which are customized, flexible, and totally adapted to customer needs.

    With the acquisition of Séchoir MEC, located in Victoriaville, QC, Wellons Canada expands their reach in the Eastern Canada and Northeastern United states with 31 years of drying expertise and over 300 installations, solidifying Wellons position as an industry leader with additional manufacturing capacity in Eastern Canada.

  • Wellons Energy Solutions

    Wellons Energy Solutions is an alternative energy project developer that specializes in biomass steam and co-generation projects for industrial manufacturers that have historically relied upon green house gas emitting fossil fuels. Headquartered in New Bern, North Carolina, Wellons Energy Solutions was founded in 2006 to design, build, own, and operate inside-the-fence biomass cogeneration projects at large manufacturing facilities.

    Focused on providing Engineering, Procurement, and Construction (EPC) services for industrial customers in North America, Wellons Energy Solutions is able to provide turn-key project installations ranging from 5,000 to 300,000 PPH super-heated thermal and co-generation facilities.

  • Salem Equipment

    Salem Equipment has been a premium supplier of sawmill equipment to both the hardwood and softwood lumber industries for more than 60 years. As a proud partner in the Wellons Group of companies since early 2008, Salem Equipment has been able to leverage the technical resources and information technologies of its parent company, Wellons, Inc., to design, customize, and build its products with more efficiency, effectiveness, and flexibility than ever before.

© Wellons 2024