the hydraulic dump trailer to the trailer industry in response to some customer requests, he decided to sketch out a design for a hydraulic dump. Parker says "he wanted something easy...Parker Performance Trailers About Us In 1984, Parker Trailer Sales, Inc. (now Performance Trailers by Parker) was started by Roy Parker with a primary focus on boat trailers.... Parker owned a 30x40 sheet-metal shop and employed just one other person. He eventually got away from boat trailers and started building utility trailers. Parker with his one employee...