New Holland Supply is a company specializing in building materials for horse barns, indoor riding arenas, garages & other post-frame structures. It is our mission to fulfill our customers' needs for the post-frame building that they have been dreaming of, including stall materials, custom grill work, stall mats, insulation, wood siding, metal roofing and siding, shingle roofing products, custom doors and windows, framing materials, and more!