DEWITT TRANSPORTATION SERVICES OF GUAM INC
AUTHORIZEDDBA: DEWITT GUAM
USDOT
2359048
MC Number
N/A
Fleet Size
22
Total Drivers
20
Last updated: March 16, 2026
Truck insurance quotes
Need insurance for this carrier?
Enter your email and we'll use this FMCSA profile to prepare truck insurance quotes.
Safety overview
DEWITT TRANSPORTATION SERVICES OF GUAM INC is a mid-size intrastate only (hazmat) motor carrier based in TAMUNING, GU, operating 22 power units with 20 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 50 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 GU is 1.7% and the average vehicle OOS rate is 19.6% across 566 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Intrastate Only (Hazmat)
- Operation Classification
- Authorized For Hire, Exempt For Hire, Private (Property), US Mail
- 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
50
Total
56%
Driver %
Insurance on file
Liability (BIPD)
Not on file
Cargo
FEDERAL INSURANCE CO. — eff. Oct 1, 2019
Surety Bond
Not on file
Trust Fund
Not on file
Crash history
0
Total Crashes
Similar carriers in GU
Other carriers in the same state with a similar fleet size.
ASIA ORIENTAL CONCRETE LLC
LUEN FUNG ENTERPRISES
INTERNATIONAL DISTRIBUTORS INC
DYNAMIC VENTURES INC
V ANGOCO TRUCKING INC
Frequently asked questions
Is DEWITT TRANSPORTATION SERVICES OF GUAM INC authorized to operate?
Yes. DEWITT TRANSPORTATION SERVICES OF GUAM INC (USDOT #2359048) currently holds "AUTHORIZED" status with FMCSA. They're registered as an intrastate only (hazmat) carrier.
What is DEWITT TRANSPORTATION SERVICES OF GUAM INC's safety record?
DEWITT TRANSPORTATION SERVICES OF GUAM 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 DEWITT TRANSPORTATION SERVICES OF GUAM INC operate?
DEWITT TRANSPORTATION SERVICES OF GUAM INC operates 22 power units with 20 drivers on file. That puts them in the mid-size range.
Does DEWITT TRANSPORTATION SERVICES OF GUAM INC transport hazardous materials?
No. DEWITT TRANSPORTATION SERVICES OF GUAM INC does not have a hazardous materials flag in the FMCSA database.
Where is DEWITT TRANSPORTATION SERVICES OF GUAM INC located?
DEWITT TRANSPORTATION SERVICES OF GUAM INC is based in TAMUNING, GU at 165 I GUERRERO STREET SUITE 100, 96931. Phone: (671) 648-1800.
What are DEWITT TRANSPORTATION SERVICES OF GUAM INC's out-of-service rates?
DEWITT TRANSPORTATION SERVICES OF GUAM INC'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 25.6% (national average: 20.72%).