Licensed dyed diesel users

See a list of groups with active dyed diesel user licenses in Washington.

These lists include:

  • Government agencies
  • School districts
  • Nonprofit educational organizations

License lists

Older dyed diesel user licenses

If you're interested in earlier licensed dyed diesel users, email MotorCarrierServices@dol.wa.gov.

Related information

Need additional help? Here's how to contact us:

call Phone: 360-664-1858
(TTY: Call 711)
mail Email: MotorCarrierServices@dol.wa.gov
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