Fleet typeIdentity
Asset-based
30 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 3420876 · MC-1201020 ·
Rock Solid Mobile Mix LLC
DBA CONCRETE ON DEMAND
30 power unitsCHEYENNE, WY50/100
CARRIER INACTIVEMC-1201020 INACTIVE
Observed fleet · trailing 24 mo daily
30Power units
Self-reported · MCS-150
—Trailers seen
None observed · 24 mo
—Avg age (yr)
Not yet decoded
Click to see how we scored it
Load decision ·
Limited record
Not enough federal record to assess. Verify authority and insurance directly.
Watch · 3
USDOT registration inactiveThe USDOT record is flagged inactive — the carrier may not be authorized to operate.No active operating authorityNo active common, contract, or broker authority is on file for a for-hire carrier.No inspection history despite active fleetAn established carrier reporting 30 power units has no roadside inspections — a common shell/paper-carrier signal.
In good standing · 1
Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Not yet decoded
Identity stabilityStable
6 yr unchanged
Same registration since 2020 — no chameleon / reincarnation signal.
Cross-border activity
No border inspections on record
A named inspection location does not confirm a border transit or operating authority. Counts cover retained inspection records.
Safety and violations
Violation data is not available for this carrier right now.
Verification summary
ROCK SOLID MOBILE MIX LLC (USDOT 3420876) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score. FMCSA profile data as of Oct 7, 2026.
The carrier has no active for-hire operating authority per FMCSA L&I. FMCSA authority data as of Oct 7, 2026.
It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available. FMCSA insurance data as of Oct 7, 2026.
The carrier received 0 roadside inspections in the last 24 months — 0 vehicle-level and 0 driver-level, according to FMCSA roadside-inspection data. FMCSA operations data as of Oct 8, 2026.
The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available. FMCSA safety data as of Oct 8, 2026.
It reports 30 power units and 16 drivers in its most recent MCS-150 filing dated Dec 5, 2024. FMCSA identity data as of Oct 7, 2026.
It has no FMCSA-assigned safety rating in the federal record. FMCSA identity data as of Oct 7, 2026.
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Frequently asked
What is ROCK SOLID MOBILE MIX LLC's USDOT number?
ROCK SOLID MOBILE MIX LLC's USDOT number is 3420876, and its motor carrier number is MC-1201020.
Is ROCK SOLID MOBILE MIX LLC authorized to operate?
FMCSA authority data as of Oct 7, 2026. ROCK SOLID MOBILE MIX LLC is inactive in the FMCSA register with common, contract, broker operating authority on file.
How big is ROCK SOLID MOBILE MIX LLC's fleet?
ROCK SOLID MOBILE MIX LLC operates 30 power units and 16 drivers per its most recent MCS-150 filing.
Where is ROCK SOLID MOBILE MIX LLC based?
ROCK SOLID MOBILE MIX LLC is based in CHEYENNE, WY.
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