SIMPSON UNLIMITED INC
AUTHORIZEDUSDOT
744138
MC Number
N/A
Fleet Size
4
Total Drivers
3
Last updated: March 16, 2026
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Safety overview
SIMPSON UNLIMITED INC is a small interstate motor carrier based in MANASSAS, Virginia, operating 4 power units with 3 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 0.0% comes in under the 5.51% national average. They have 1 crash on file (1 with injuries). FMCSA records show 20 inspections 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 Virginia is 14.2% and the average vehicle OOS rate is 28.8% across 23,409 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
20
Total
54%
Driver %
Insurance on file
No insurance records on file with FMCSA.
Crash history
1
Total Crashes
Similar carriers in Virginia
Other carriers in the same state with a similar fleet size.
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Frequently asked questions
Is SIMPSON UNLIMITED INC authorized to operate?
Yes. SIMPSON UNLIMITED INC (USDOT #744138) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is SIMPSON UNLIMITED INC's safety record?
SIMPSON UNLIMITED INC has 20 inspections on file and 1 crash 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 SIMPSON UNLIMITED INC operate?
SIMPSON UNLIMITED INC operates 4 power units with 3 drivers on file. That makes them a small carrier.
Does SIMPSON UNLIMITED INC transport hazardous materials?
No. SIMPSON UNLIMITED INC does not have a hazardous materials flag in the FMCSA database.
Where is SIMPSON UNLIMITED INC located?
SIMPSON UNLIMITED INC is based in MANASSAS, Virginia at 11121 INDUSTRIAL ROAD, 20109. Phone: (703) 361-0841.
What are SIMPSON UNLIMITED INC's out-of-service rates?
SIMPSON UNLIMITED 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 17.6% (national average: 20.72%). Below average, suggesting the fleet is well-maintained.