Williamson’s Heavy Duty Truck Center formerly known as Williamson GMC Trucks in Alliance,Ohio has specialized in truck repair for over 40 years . At Williamson’s Heavy Duty you can be sure you are getting the very best. We cater to our medium and heavy duty customers as individuals or fleet services , we can handle it all from sales and service to new and used parts for heavy and medium duty trucks as well as school buses and motor coaches including GMC , INTERNATIONAL , FORD, VOLVO AND BODY MANUFACTURERS SUCH AS BLUE BIRD , THOMAS , AMTRAN AND MORE . Specializing in many makes .You name it , We fix it including lift gates , complete truck repair , upfits , trailer repair , sandblasting , metal fab , fiberglass fab , mobile service , welding and more ! Our knowledgeable , friendly staff will have you up and running in no time.