About Us

gws building

Our Quality Products and Unparalleled Service keep Customer’s coming back.

GWS started in 1975 and was recently acquired by the Duncan Company,  making us even stronger for our product offerings.  The GWS team consists of mechanical and electrical engineers and highly skilled sales and customer service representatives who want to do more than simply fill your orders.  We’re product specialists, eager to help make your job easier.  Our expertise means you can rely on us for valuable technical assistance.

  • Provide Technical Support for all your purchases
  • Free Engineering and Valve Sizing support
  • Large Inventory for Quick Deliveries
  • Emergency and Expedited Service
  • Repair Services available

Our customer’s in Wisconsin and the Upper Peninsula of Michigan depend on us for quality products and exception service, you will too!