Lakeside Trailer Manufacturing. was the first to produce stretch roll-off with sliding tandems. We made them popular and affordable. Founded in 1986 By J.D. Helton, with over 20 years experience in trailer and truck body manufacturing. Lakeside Trailers has been leading the way with innovative ideas to ensure your delivery operations remain efficient in today's competitive market. We manufacture fixed and expandable hydraulic roll-off truss trailers.