Glenn's Welding and Trailer Supply has been serving the Bismarck/Mandan area since 1985. We are fully equipped and staffed to take care of all your enclosed and flatbed trailer repair needs and scheduled maintenance.We also stock a full line of trailer parts and accessories.Trailer Repair Services We Provide:*Trailer Brakes*Floor Repair*Axle and Spring Replacement*5th Wheel and Electrical Hook-Ups*Fenders*Lights*Couplers*JacksGlenn's Welding and Trailer Supplies can also handle all your trailer and truck welding needs. Call or stop by today!