Profile: Haulmark Industries, Inc. builds enclosed trailers for hauling cargo, motorcycles, snowmobiles, antique cars as well as race cars. Our trailers are available in many sizes and styles. Our adventure trailers haul one to four snowmobiles or ATVs. We offer show car trailers, cargo trailers, motorcycle trailers, race car trailers and specialty trailers. We also provide a wide range of trailer parts.