SHAMROCK MATERIALS INC

AUTHORIZED

DBA: SHAMROCK MATERIALS OF COTATI

181 LYNCH CREEK WY 200, PETALUMA, CA, 949758044|(707) 781-9000

USDOT

2644567

MC Number

N/A

Fleet Size

Total Drivers

Last updated: March 16, 2026

Safety overview

SHAMROCK MATERIALS INC is a mid-size intrastate only (non-hazmat) motor carrier based in PETALUMA, California, operating 65 power units with 28 drivers. FMCSA hasn't published BASIC scores for this carrier yet. That usually means they don't have enough inspection data for the system to calculate percentiles. No crashes on file.

BASIC scores

SMS Percentiles

Higher percentile = worse performance relative to peers. Scores at or above 75% may trigger an FMCSA investigation.

No BASIC scores available. This usually means the carrier hasn't had enough inspections for FMCSA to calculate percentiles.

Company details

Entity Type: N/A
Carrier Operation: Intrastate Only (Non-Hazmat)
Operation Classification: Authorized For Hire
Cargo Carried: N
Hazmat: No
Safety Rating Date: N/A

Inspections

Total

—

Driver %

Driver Inspections0

Vehicle Inspections0

Crash history

Total Crashes

Fatal Crashes0

Injury Crashes0

Tow Crashes0

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Frequently asked questions

Is SHAMROCK MATERIALS INC authorized to operate?

Yes. SHAMROCK MATERIALS INC (USDOT #2644567) currently holds "AUTHORIZED" status with FMCSA. They're registered as an intrastate only (non-hazmat) carrier.

How many trucks does SHAMROCK MATERIALS INC operate?

SHAMROCK MATERIALS INC operates 65 power units with 28 drivers on file. That puts them in the mid-size range.

Does SHAMROCK MATERIALS INC transport hazardous materials?

No. SHAMROCK MATERIALS INC does not have a hazardous materials flag in the FMCSA database.

Where is SHAMROCK MATERIALS INC located?

SHAMROCK MATERIALS INC is based in PETALUMA, California at 181 LYNCH CREEK WY 200, 949758044. Phone: (707) 781-9000.