SUPERIOR MECHANICAL SERVICES INC
AUTHORIZEDUSDOT
1077649
MC Number
N/A
Fleet Size
65
Total Drivers
65
Last updated: March 14, 2026
Safety overview
SUPERIOR MECHANICAL SERVICES INC is a mid-size interstate motor carrier based in BELTSVILLE, Maryland, operating 65 power units with 65 drivers. 2 of their 5 BASIC scores sit above the 75th percentile intervention threshold. The rest fall within acceptable ranges. Their driver out-of-service rate of 10.0% runs above the national average of 5.51%. No crashes on file. FMCSA records show 10 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 Maryland is 13.2% and the average vehicle OOS rate is 25.4% across 42,394 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- 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
10
Total
50%
Driver %
Crash history
0
Total Crashes
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Frequently asked questions
Is SUPERIOR MECHANICAL SERVICES INC authorized to operate?
Yes. SUPERIOR MECHANICAL SERVICES INC (USDOT #1077649) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is SUPERIOR MECHANICAL SERVICES INC's safety record?
SUPERIOR MECHANICAL SERVICES INC has 2 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 SUPERIOR MECHANICAL SERVICES INC operate?
SUPERIOR MECHANICAL SERVICES INC operates 65 power units with 65 drivers on file. That puts them in the mid-size range.
Does SUPERIOR MECHANICAL SERVICES INC transport hazardous materials?
No. SUPERIOR MECHANICAL SERVICES INC does not have a hazardous materials flag in the FMCSA database.
Where is SUPERIOR MECHANICAL SERVICES INC located?
SUPERIOR MECHANICAL SERVICES INC is based in BELTSVILLE, Maryland at 6655 MID CITIES AVE, 20705-1444. Phone: (301) 931-0100.
What are SUPERIOR MECHANICAL SERVICES INC's out-of-service rates?
SUPERIOR MECHANICAL SERVICES INC's driver out-of-service rate is 10.0%, 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 20.0% (national average: 20.72%).