Fleet typeIdentity
Asset-based
65 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 2644567 · Updated Jun 13, 2026
SHAMROCK MATERIALS INC
DBA SHAMROCK MATERIALS OF COTATI
65 power unitsPETALUMA, CA50/100
AUTHORITY STATUS UNKNOWN
Observed fleet · trailing 24 mo daily
65Power 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 · FMCSA snapshot · Jun 13, 2026
Limited record
Not enough federal record to assess. Verify authority and insurance directly.
Established 11 yearsNo inspection history despite active fleet
USDOT registration1111 yr registered
Authority not on fileInsurance (BIPD)— unknown
No filing on recordVehicle OOS · 24-mo—
No inspections · 24 moCrashes · fatal00
No activity in windowVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Not yet decoded
Identity stabilityStable
11 yr unchanged
Same registration since 2015 — no chameleon / reincarnation signal.
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Verification summary
SHAMROCK MATERIALS INC (USDOT 2644567) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score as of Jun 13, 2026.
The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available as of Jun 13, 2026.
It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Jun 13, 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 refreshed Jun 13, 2026.
The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Jun 13, 2026.
It reports 65 power units and 28 drivers in its most recent MCS-150 filing available in the FMCSA record refreshed Jun 13, 2026.
It has no FMCSA-assigned safety rating in the federal record refreshed Jun 13, 2026.
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Frequently asked
What is SHAMROCK MATERIALS INC's USDOT number?
SHAMROCK MATERIALS INC's USDOT number is 2644567.
Is SHAMROCK MATERIALS INC authorized to operate?
As of Jun 13, 2026, SHAMROCK MATERIALS INC is active in the FMCSA register.
How big is SHAMROCK MATERIALS INC's fleet?
SHAMROCK MATERIALS INC operates 65 power units and 28 drivers per its most recent MCS-150 filing.
Where is SHAMROCK MATERIALS INC based?
SHAMROCK MATERIALS INC is based in PETALUMA, CA.
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