M.H. Eby's Story City, Iowa Sales & Service Center is our largest facility of its kind — a 20,000 sq ft sales and service center with an indoor showroom, 8-bay service shop, and adjacent manufacturing plant where we build Generation grain trailers and livestock trailers. This flagship location offers full-line trailer sales, parts, service, repair, and truck body upfitting — handling DOT maintenance, axle alignment, suspension work, and accident repair for every make.