R BLUME UNDERGROUND INC
dba RBU
HUMBOLDT, AZ
07/09/2010
36
Power Units
14
Drivers
Current
as of today
Active · 36 power units · 14 drivers · Humboldt, AZ
2026
~Aug 2026
Fleet grew 34 → 36 power units
~Aug 2026
Driver count changed 7 → 14
2025
~Dec 2025
Address changed: CHINO VALLEY, AZ → HUMBOLDT, AZ
2895 N STATE ROUTE 89, CHINO VALLEY, AZ 86323 → 2845 S STATE ROUTE 69, HUMBOLDT, AZ 86329
Dec 8, 2025
MCS-150 biennial update filed
Reported mileage: 239,000 (2026)
Reported power units: 55 → 36
Reported drivers: 55 → 14
Reported trailers: 14 → 17
2024
~May 2024
Address changed: PEORIA, AZ → CHINO VALLEY, AZ
8789 N 75TH AVE, PEORIA, AZ 85345 → 2895 N STATE ROUTE 89, CHINO VALLEY, AZ 86323
Mar 20, 2024
MCS-150 biennial update filed
Reported mileage: 300,000 (2023)
Reported power units: 55
Reported drivers: 129 → 55
Reported trailers: 14
~Mar 2024
Address changed: CHINO VALLEY, AZ → PEORIA, AZ
2895 N HWY 89, CHINO VALLEY, AZ 86323 → 8789 N 75TH AVE, PEORIA, AZ 85345
~Mar 2024
Phone changed
(928) 636-5121 → (651) 380-7839
2023
Aug 23, 2023
MCS-150 biennial update filed
Reported mileage: 46,800 (2022)
Reported power units: 10 → 55
Reported drivers: 13 → 129
2021
Oct 11, 2021
MCS-150 biennial update filed
Reported mileage: 130 (2020)
Reported power units: 11 → 10
Reported drivers: 14 → 13
2020
Jan 6, 2020
MCS-150 biennial update filed
Reported mileage: 200,000 (2018)
Reported power units: 11
Reported drivers: 14
2010
Jul 9, 2010
DOT registered
Company registered with the FMCSA.