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Origin

WMI codes registered in Vietnam

Vietnam ranks 15th by three-character WMIs registered there, with 10 of the 3,163 in NHTSA's catalog. Another 2 six-character codes from small manufacturers bring the total to 12. The most common vehicle type is motorcycles (60 percent), and 10 of the codes start with R. The longest model list belongs to RLH, with 281 models.

Holders with the most codes

  1. Gelimex1
  2. Honda Vietnam1
  3. Vinfast Trading and Production Joint Stock1
  4. Vietnam Kwang Yang Motor1
  5. Vietnam Precision Industrial1
  6. Thaco Industries Trailers and Heavy Steel Structures Manufacturing Limited Liability1
  7. Tan Thanh Trading Mechanic1
  8. Thaco Special Vehicles Manufacturing1
  9. Gck Industrial USA1
  10. Aeontek Vietnam1

Codes by vehicle type

  1. Motorcycles6
  2. Trailers3
  3. Multipurpose passenger vehicles1

All 10 three-character codes

R 10

  • RL7Gelimex
  • RLHHonda Vietnam
  • RLLVinfast Trading and Production Joint Stock
  • RLPVietnam Kwang Yang Motor
  • RLVVietnam Precision Industrial
  • RMFThaco Industries Trailers and Heavy Steel Structures Manufacturing Limited Liability
  • RMTTan Thanh Trading Mechanic
  • RN0Thaco Special Vehicles Manufacturing
  • RPGGck Industrial USA
  • RX2Aeontek Vietnam

Source: NHTSA vPIC, October 2026 release (database updated October 17, 2026). How the figures are counted: How the catalog is read.