Carrier profile · USDOT 2054219 · Updated Jun 26, 2026
R Blume Underground Inc
DBA RBU
34 power unitsLocal · 1 statesHUMBOLDT, AZ50/100
AUTHORITY STATUS UNKNOWN
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
- 2845 S STATE ROUTE 69, HUMBOLDT, AZ, 86329
- Mailing address
- 515 E CAREFREE HWY #1253, PHOENIX, AZ, 85085
- Operation
- Intrastate (Non-Hazmat)
Contact
- Phone
- (651) 380-7839
- Fax
- (928) 636-1767
Registration
- Officers
- Randy Blume · Rob Blankenship
- USDOT / docket
- 2054219
- First registered
- Jul 9, 2010
- Last MCS-150
- Dec 8, 2025 · 300,000 mi (2023)
- FMCSA safety rating
- Not rated
- D-U-N-S
- 9523193
Fleet (self-reported · MCS-150)
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.