Manufacturing, Research, and Development

Dowco operations encompass over 250,000 square feet in five domestic manufacturing facilities in the U.S. Our ISO 9001:2015 certified corporate headquarters in Manitowoc, Wisconsin is home to our plastics and powersports product research, design and manufacturing.

Our marine division’s main facility is located in Lebanon, Missouri. In addition, we have marine manufacturing facilities located in Fort Wayne, Indiana, Little Falls to provide the best possible customer support and just in time delivery to our customers.

Pine City MN is home to Dowco’s furniture and seat manufacturing operations.

The ISO 9001:2015 certification was awarded based on recognition of hard work and continued support and dedication to quality by Dowco. ISO 9001:2015 certification provides our customers with the confidence that Dowco products are designed and manufactured within a formal, documented and standardized quality system resulting in the production of high quality products. Even though technically only our Manitowoc facility is ISO certified, the manufacturing processes and practices used in Manitowoc are also used in all other Dowco manufacturing locations.

Dowco ISO:9001:2015 Certified

We Evaluate Our Suppliers to Deliver the Best in Class

Prior to being selected as a Dowco supplier, each potential candidate is evaluated to verify that they have the ability to meet Dowco’s highest quality of standards. Each supplier is chosen based on a number of criteria such as passing a Dowco audit or being ISO certified. The successful candidates receive a Dowco Supplier Quality Manual to clearly communicate Dowco’s requirements to their colleagues. Scorecards are sent monthly to grade performance and indicate any problems or concerns.


4230 Clipper Dr
Manitowoc, WI 54220
(920) 682-7796


Manitowoc, WI
Lebanon, MO
Ft. Wayne, IN
Little Falls, MN
Pine City, MN

Shanghai, China