DENLER AND SONS INC
AUTHORIZEDDBA: DENLER INC
USDOT
3364391
MC Number
N/A
Fleet Size
36
Total Drivers
12
FMCSA-derived snapshot updated: July 23, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.
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Safety overview
DENLER AND SONS INC is a mid-size interstate motor carrier based in JOLIET, Illinois, operating 36 power units with 12 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 100.0% runs above the national average of 5.51%. No crashes on file. FMCSA records show 1 inspection 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 Illinois is 9.7% and the average vehicle OOS rate is 27.3% across 51,775 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
1
Total
50%
Driver %
Insurance on file
No insurance records on file with FMCSA.
Crash history
0
Total Crashes
Similar carriers in Illinois
Other carriers in the same state with a similar fleet size.
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Frequently asked questions
Is DENLER AND SONS INC authorized to operate?
CarrierOwl's FMCSA-derived snapshot for DENLER AND SONS INC (USDOT #3364391) shows "AUTHORIZED" status. The snapshot lists them as an interstate carrier. Verify the current official record with FMCSA before booking a load.
What is DENLER AND SONS INC's safety record?
DENLER AND SONS INC has 1 inspection on file and no crashes on record. They do not show a formal FMCSA safety rating in CarrierOwl's current data. CarrierOwl is validating BASIC percentile display against the official FMCSA SMS portal, so brokers should verify current BASIC percentiles directly with FMCSA before relying on them.
How many trucks does DENLER AND SONS INC operate?
DENLER AND SONS INC operates 36 power units with 12 drivers on file. That puts them in the mid-size range.
Does DENLER AND SONS INC transport hazardous materials?
No. DENLER AND SONS INC does not have a hazardous materials flag in the FMCSA database.
Where is DENLER AND SONS INC located?
DENLER AND SONS INC is based in JOLIET, Illinois at 20502 S CHERRY HILL RD, 60433. Phone: (708) 479-5005.
What are DENLER AND SONS INC's out-of-service rates?
DENLER AND SONS INC's driver out-of-service rate is 100.0%, compared to the national average of 5.51%. Higher than average, which could point to driver compliance issues. Their vehicle out-of-service rate is 0.0% (national average: 20.72%). Below average, suggesting the fleet is well-maintained.