JOSEPH MCMAHON DAIRY SERVICE INC
AUTHORIZEDUSDOT
2271487
MC Number
775710
Fleet Size
37
Total Drivers
56
Last updated: March 16, 2026
Safety overview
JOSEPH MCMAHON DAIRY SERVICE INC is a mid-size interstate motor carrier based in HUNTLEY, Illinois, operating 37 power units with 56 drivers. Their safety profile raises flags: 3 of 5 BASIC categories exceed the 75th percentile, which is where FMCSA considers stepping in. They have 4 crashes on file. FMCSA records show 18 inspections for this carrier.
BASIC scores
SMS PercentilesHigher percentile = worse performance relative to peers. Scores at or above 75% may trigger an FMCSA investigation.
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 9.1% and the average vehicle OOS rate is 27.0% across 49,579 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Authorized For Hire, Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
What are BASIC scores?
FMCSA tracks carrier performance through its Safety Measurement System (SMS), which scores carriers across six categories called BASICs. Each score is a percentile from 0 to 100, based on inspection and crash data from the past 24 months.
A score of 65 means the carrier performed worse than 65% of its peers. Anything above 75% can trigger FMCSA alerts or investigations. Brokers vetting new carriers should pay attention to scores above 50%.
- Unsafe driving
- Speeding, reckless driving, improper lane changes, seatbelt violations. All based on what officers find during roadside inspections.
- HOS / Fatigue
- Hours-of-service violations, logbook problems, driving past the allowed limits. Fatigued driving is one of the top causes of truck crashes in the US.
- Driver fitness
- Licensing problems, expired medical certificates, and other driver qualification issues.
- Controlled substances
- Drug and alcohol testing violations, possession, or impairment.
- Vehicle maintenance
- Brake problems, tire issues, lighting defects, load securement failures. Caught during the vehicle portion of roadside inspections.
- Crash indicator
- Based on crash history from state-reported data. Higher percentile means more crashes relative to the carrier's size and mileage.
Inspections
18
Total
78%
Driver %
Crash history
4
Total Crashes
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Frequently asked questions
Is JOSEPH MCMAHON DAIRY SERVICE INC authorized to operate?
Yes. JOSEPH MCMAHON DAIRY SERVICE INC (USDOT #2271487) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is JOSEPH MCMAHON DAIRY SERVICE INC's safety record?
JOSEPH MCMAHON DAIRY SERVICE INC has 3 BASIC scores above the 75th percentile, which is where FMCSA may look into a carrier. Brokers should weigh these scores alongside the inspection history and crash data before making a decision.
How many trucks does JOSEPH MCMAHON DAIRY SERVICE INC operate?
JOSEPH MCMAHON DAIRY SERVICE INC operates 37 power units with 56 drivers on file. That puts them in the mid-size range.
Does JOSEPH MCMAHON DAIRY SERVICE INC transport hazardous materials?
No. JOSEPH MCMAHON DAIRY SERVICE INC does not have a hazardous materials flag in the FMCSA database.
Where is JOSEPH MCMAHON DAIRY SERVICE INC located?
JOSEPH MCMAHON DAIRY SERVICE INC is based in HUNTLEY, Illinois at 11710 MILL STREET, 60142. Phone: (847) 773-7198.
What are JOSEPH MCMAHON DAIRY SERVICE INC's out-of-service rates?
JOSEPH MCMAHON DAIRY SERVICE INC's driver out-of-service rate is 5.6%, compared to the national average of 5.51%. Their vehicle out-of-service rate is 0.0% (national average: 20.72%). Below average, suggesting the fleet is well-maintained.