Master plans design, inc developes and distributes utility trailer plans / blueprints and trailer parts. All of our trailer blueprints are engineer approved. We provide trailer axles, wheels tires, suspension components, couplers, jacks, safety chains, fenders, lights, and other trailer components. Our headquarters are in Texas. We ship our plans from our portland Oregon office. Parts are shipped from Texas, Pennsylvania, Oregon, and Oklahoma. We have been selling trailer blueprints and parts since 1998. We specialize in trailer component kits, however we sell individual parts. We welcome quote request.