SHANNON BROS CO INC
AUTHORIZEDUSDOT
58791
MC Number
252916
Fleet Size
40
Total Drivers
40
FMCSA-derived snapshot updated: September 6, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.
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Safety overview
SHANNON BROS CO INC is a mid-size interstate motor carrier based in TULARE, California, operating 40 power units with 40 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 33.3% runs above the national average of 6.7%. The current imported FMCSA crash snapshot returned no matching crash rows for this carrier; this is not proof that no crash occurred. FMCSA records show 6 inspections for this carrier.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in California is 9.3% and the average vehicle OOS rate is 22.8% across 321,883 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Authorized For Hire, Exempt For Hire
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
6
Total
55%
Driver %
Insurance on file
Liability (BIPD)
CAROLINA CASUALTY INSURANCE CO. — eff. Feb 1, 2023
Cargo
Not on file
Surety Bond
FIDELITY & DEPOSIT CO. OF MARYLAND — eff. Oct 1, 2013
Trust Fund
Not on file
Source: Legacy FMCSA. Verify current filings directly with FMCSA before relying on them.
Crash history
0
Total Crashes
Similar carriers in California
Other carriers in the same state with a similar fleet size.
BEI CONSTRUCTION INC
CITY OF POMONA
DOWNEY UNIFIED SCHOOL DISTRICT
BOYS & GIRLS CLUBS OF HUNTINGTON VALLEY
BETTS EXPRESS
Frequently asked questions
Is SHANNON BROS CO INC authorized to operate?
CarrierOwl's FMCSA-derived snapshot for SHANNON BROS CO INC (USDOT #58791) shows "AUTHORIZED" status. The snapshot lists them as an interstate carrier. Verify the current official record with FMCSA before booking a load.
What is SHANNON BROS CO INC's safety record?
SHANNON BROS CO INC has 6 inspections in CarrierOwl's current imported snapshot; the snapshot returned no matching crash rows. They do not show a formal FMCSA safety rating in CarrierOwl's current data. A zero result is limited to the dataset and snapshot window. Verify current BASIC percentiles and crash information directly with FMCSA before relying on them.
How many trucks does SHANNON BROS CO INC operate?
SHANNON BROS CO INC operates 40 power units with 40 drivers on file. That puts them in the mid-size range.
Does SHANNON BROS CO INC transport hazardous materials?
No. SHANNON BROS CO INC does not have a hazardous materials flag in the FMCSA database.
Where is SHANNON BROS CO INC located?
SHANNON BROS CO INC is based in TULARE, California at 24478 ROAD 140, 93274. Phone: (559) 686-4701.
What are SHANNON BROS CO INC's out-of-service rates?
SHANNON BROS CO INC's driver out-of-service rate is 33.3%, compared with the 6.7% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record. Their vehicle out-of-service rate is 40.0%, compared with the 23.4% reference shown by FMCSA SMS when checked August 4, 2026. Interpret the difference with inspection volume and verify the current FMCSA record.