Rietveld's stock all makes and types of fans including, Fantech, Richardson, Taylors, Ipsco, Windsor, Woods, Andrews and Beaven. The Fnas can be axial flow, scroll, backward curve and paddle type Fans. Roots Blowers by Sutorbilt, Dresser, Hartmann, Offenbach and Nucon Cyclones come in both large and small, light and heavy gauge and in either Steel or Stainless Steel.