CarrierintelCarrierintel
RB

R BLUME UNDERGROUND INC

DOT 2054219ActiveIntrastate Non-HazmatHUMBOLDT, AZ

COMPANY

Authority since
—
MCS-150
2025-12-08 · 239,000 mi (2026)
Fleet
36 units · 17 trailers · 14 drivers
Owner origin
Western-northern-european
Origin candidates
German 61%

ADDRESS

Physical
2845 S STATE ROUTE 69
HUMBOLDT, AZ 86329
Mailing
515 E CAREFREE HWY #1253
PHOENIX, AZ 85085

CONTACT

Phone
6513807839
Email
robbyblankenship.rsd@gmail.com

OFFICERS

Primary Officer
ROB BLANKENSHIP
Title
VPSAFETY MANAGER
Origin
Anglosphere

OPERATION & CARGO

Operation classification
Private Property
Specialty
Construction & Building Materials
Cargo types
3
Building MaterialsMachinery, Large ObjectsConstruction
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
—
Active authority
INSURANCE
None
No coverage on file
RISK GRADE
Moderate Risk
1 risk factors · 1 strengths
OOS RATE
50.0%
1 / 2 inspections

Fleet vs Reality

last 12 months · power-unit VINs from roadside inspections
Checking local VIN index…

Moderate Risk

1 risk factor · 1 strengths · 3 data points

SAFETY PERFORMANCE

Crash Record
1 crashes · 0 fatal · 0 with injuries · 1 tow-away
Clean Inspection Rate
50% — 1 clean of 2 inspections
Out-of-Service Rate
50.0% — driver OOS 1, vehicle OOS 1

COMPLIANCE & AUTHORITY

Operating Authority
Active operating authority on file
Authority Events
No authority history events
MCS-150 Filing
Last filed 2025-12-08

INSURANCE

Active Coverage
No insurance policies on file

SUMMARY

No active insurance on file
No crashes in the last 24 months

Related carriers

All carriers in ArizonaBrowse carriers by state