Fleet typeIdentity
Owner-operator
1 power unit. Brokers price each fleet type apart.
Carrier profile · USDOT 1557136 · MC-577915 · Updated Aug 20, 2026
Southern Tier Corporation
DBA SOUTHERN TIER TRANSPORT
1 power unitHOWE, TX50/100
CARRIER INACTIVEMC-577915 INACTIVERATED CONDITIONAL
Observed fleet · trailing 24 mo daily
1Power 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 · 4
USDOT registration inactiveThe USDOT record is flagged inactive — the carrier may not be authorized to operate.No active operating authorityNo active common, contract, or broker authority is on file for a for-hire carrier.No inspection history despite active fleetAn established carrier reporting 1 power units has no roadside inspections — a common shell/paper-carrier signal.MCS-150 census data outdatedThe biennial MCS-150 update is 16.6 years old; fleet/mileage figures may be unreliable.
In good standing · 1
USDOT registration1919 yr registered
No active authorityInsurance (BIPD)— unknown
No filing on recordVehicle OOS · 24-mo—
No inspections · 24 moCrashes · fatal—
No crash recordVektor 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 2006 — no chameleon / reincarnation signal.
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Verification summary
SOUTHERN TIER CORPORATION (USDOT 1557136) 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 no active for-hire operating authority per FMCSA L&I as of Aug 20, 2026.
It has no active BIPD insurance filing in FMCSA L&I's current snapshot 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.
It reports 1 power unit and 2 drivers in its most recent MCS-150 filing dated Jan 20, 2010.
It has an FMCSA safety rating of Conditional assigned Oct 10, 2011 in the federal record refreshed Aug 20, 2026.
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Frequently asked
What is SOUTHERN TIER CORPORATION's USDOT number?
SOUTHERN TIER CORPORATION's USDOT number is 1557136, and its motor carrier number is MC-577915.
Is SOUTHERN TIER CORPORATION authorized to operate?
As of Aug 20, 2026, SOUTHERN TIER CORPORATION is inactive in the FMCSA register with common, contract, broker operating authority on file.
How big is SOUTHERN TIER CORPORATION's fleet?
SOUTHERN TIER CORPORATION operates 1 power unit and 2 drivers per its most recent MCS-150 filing.
Where is SOUTHERN TIER CORPORATION based?
SOUTHERN TIER CORPORATION is based in HOWE, TX.
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