Trail King Industries

Trail King Industries

Trail King Industries

Trail King Industries, formally Western Ag Sales, is a manufacturer of a complete line of trailers for a wide range of applications. Their trailer line includes grain hopper trailers, dump trailers, detachable gooseneck trailers, step deck trailers, extendable trailers, and more.

Gordon and Shirley Thomsen - Trail King Industries
Gordon and Shirley Thomsen, Founders of Trail King Industries

Trailer Manufacturer Profile

  • Company: Trail King Industries
  • Parent Company:
  • Headquarters: Mitchell, South Dakota
  • Founded Date: 1974
  • Founders: Gordon and Shirley Thomsen
  • Traded as:
  • Subsidiaries / Brands:
  • Trailer Types:
    • Grain Hopper Trailers
    • Pneumatic Bulk Trailers
    • Dump Trailers
      • Bottom Dump Trailers
      • Side Dump Trailers
    • Detachable Gooseneck Trailers
    • Step Deck Trailers
    • Sliding Tail Trailers
    • Rollback Trailers
    • Extendable Trailers
    • Dual Lane Trailers
  • Other Products:
    • Boosters
    • Jeeps
    • Utility Trailers
  • Website:
  • Learn More: Related Content
Trail King Grain Hopper Conveyer Trailer
Grain Hopper Conveyer Trailer

Historical Highlights


Gordon and Shirley Thomsen founded Western Ag Sales.


Western Ag Sales purchased Plains Industries and moves into their manufacturing facility. This purchase includes a “Trail King” product line, which is expanded to include trailers.


Western Ag Sales changed name to Trail King Industries.


Company acquired assets of Ti-Brook, Inc, a manufacturer of end dump trailers.


Company purchased Red River Manufacturing, a manufacturer of live bottom and bottom dump trailers.


Company is acquired by CC Industries, Inc (CCI).


Trail King acquires Dakota Trailer Manufacturing, a manufacturer of aluminum grain hopper trailers.