UNITED STATES TOWER SERVICES LIMITED
AUTHORIZEDUSDOT
337397
MC Number
N/A
Fleet Size
6
Total Drivers
12
Last updated: March 16, 2026
Safety overview
UNITED STATES TOWER SERVICES LIMITED is a small interstate motor carrier based in IJAMSVILLE, Maryland, operating 6 power units with 12 drivers. Their safety profile raises flags: 3 of 5 BASIC categories exceed the 75th percentile, which is where FMCSA considers stepping in. Their driver out-of-service rate of 0.0% comes in under the 5.51% national average. No crashes on file. FMCSA records show 7 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
7
Total
54%
Driver %
Insurance on file
No insurance records on file with FMCSA.
Crash history
0
Total Crashes
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Frequently asked questions
Is UNITED STATES TOWER SERVICES LIMITED authorized to operate?
Yes. UNITED STATES TOWER SERVICES LIMITED (USDOT #337397) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is UNITED STATES TOWER SERVICES LIMITED's safety record?
UNITED STATES TOWER SERVICES LIMITED 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 UNITED STATES TOWER SERVICES LIMITED operate?
UNITED STATES TOWER SERVICES LIMITED operates 6 power units with 12 drivers on file. That makes them a small carrier.
Does UNITED STATES TOWER SERVICES LIMITED transport hazardous materials?
No. UNITED STATES TOWER SERVICES LIMITED does not have a hazardous materials flag in the FMCSA database.
Where is UNITED STATES TOWER SERVICES LIMITED located?
UNITED STATES TOWER SERVICES LIMITED is based in IJAMSVILLE, Maryland at 2502 URBANA PIKE, 21754. Phone: (301) 874-5885.
What are UNITED STATES TOWER SERVICES LIMITED's out-of-service rates?
UNITED STATES TOWER SERVICES LIMITED's driver out-of-service rate is 0.0%, compared to the national average of 5.51%. Below average, which is a good sign. Their vehicle out-of-service rate is 33.3% (national average: 20.72%). Above average, which may point to vehicle maintenance gaps.