Carrier profile · USDOT 219825 · Updated Jun 13, 2026

Navajo Tribal Utility Authority

78 power unitsFORT DEFIANCE, AZ50/100
AUTHORITY STATUS UNKNOWNHAZMAT
Verified linksFMCSA SAFER

Identity & Federal

The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.

Location

Physical address
NORTH ROUTE 12, FORT DEFIANCE, AZ, 86504
Mailing address
P O BOX 170, FORT DEFIANCE, AZ, 86504-0170
Operation
Interstate· Hazmat

Contact

Phone
(928) 729-5721
Email
—

Registration

Officers
Walter Haase · Bryno Shirley
USDOT / docket
219825
First registered
Aug 3, 1982
Last MCS-150
May 13, 2024 · 680,000 mi (2022)
FMCSA safety rating
Not rated
D-U-N-S
800021990

Fleet (self-reported · MCS-150)

78Power units
180Drivers
180CDL drivers
680,000Annual mileage

MCS-150 filing history· biennial-update cadence

Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.

Federal record activity· monitored daily by Vektor

No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.