Whitewater Welding in Ontario, Canada, produces the Horstline NX Series. Although they may also be used for grain, their primary use is to transport fodder.
Three Options for Extensions:
Mesh, Solid, or None
Two Decal Choices
Old and New Prices $27,500 to $30,500 for NX200
NX240 costs between $47,500 and $50,500.
NX200 capacity: 28000–36000 l
NX240 capacity: 48000–65000 l
Trailers
These configurations include: Wheels, Extensions, Color, and Decals.

FraserCow is credited.