Profile: Highway Equipment Co. manufactures Hi-Way winter maintenance equipments. Our product line includes salt and sand spreaders, snowplows and multi-purpose dump bodies. Our SA-6C Tailgate Spreaders features a 6" bi-directional auger for centerline deicing or windrowing. Our Pre-Wet system features high-density polyethylene construction and non-corrosive plumbing for tailgate or V-box applications.