Fleet typeIdentity
Small fleet
4 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 1639365 · Updated Aug 20, 2026
STS Inc
4 power unitsALEXANDRIA, VA50/100
AUTHORITY STATUS UNKNOWNRATED UNSATISFACTORY
Observed fleet · trailing 24 mo daily
4Power units
Self-reported · MCS-150
—Trailers seen
None observed · 24 mo
—Avg age (yr)
Not yet decoded
Click to see how we scored it
Load decision · FMCSA snapshot · Aug 20, 2026
Limited record
Not enough federal record to assess. Verify authority and insurance directly.
Watch · 3
USDOT registration inactiveThe USDOT record is flagged inactive — the carrier may not be authorized to operate.No inspection history despite active fleetAn established carrier reporting 4 power units has no roadside inspections — a common shell/paper-carrier signal.MCS-150 census data outdatedThe biennial MCS-150 update is 13.7 years old; fleet/mileage figures may be unreliable.
In good standing · 1
USDOT registration1919 yr registered
Authority not on fileInsurance (BIPD)— unknown
No filing on recordVehicle OOS · 24-mo—
No inspections · 24 moCrashes · fatal00
No activity in windowVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Not yet decoded
Identity stabilityStable
19 yr unchanged
Same registration since 2007 — no chameleon / reincarnation signal.
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Verification summary
STS INC (USDOT 1639365) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score as of Aug 20, 2026.
The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available as of Aug 20, 2026.
It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Aug 20, 2026.
The carrier received 0 roadside inspections in the last 24 months — 0 vehicle-level and 0 driver-level, according to FMCSA roadside-inspection data refreshed Aug 20, 2026.
The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Aug 20, 2026.
It reports 4 power units and 3 drivers in its most recent MCS-150 filing dated Dec 13, 2012.
It has an FMCSA safety rating of Unsatisfactory assigned Aug 21, 2013 in the federal record refreshed Aug 20, 2026.
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Frequently asked
What is STS INC's USDOT number?
STS INC's USDOT number is 1639365.
Is STS INC authorized to operate?
As of Aug 20, 2026, STS INC is inactive in the FMCSA register.
How big is STS INC's fleet?
STS INC operates 4 power units and 3 drivers per its most recent MCS-150 filing.
Where is STS INC based?
STS INC is based in ALEXANDRIA, VA.
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