Fleet typeIdentity
Small fleet
5 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 316700 ·
William Seiloff
DBA SEILOFF OIL CO
5 power unitsRAWLINS, WY50/100
AUTHORITY STATUS UNKNOWNUNDELIVERABLE ADDRESS
Observed fleet · trailing 24 mo daily
5Power 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 ·
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 5 power units has no roadside inspections — a common shell/paper-carrier signal.Undeliverable physical addressFMCSA mail to this carrier's physical address was returned undeliverable — a common shell-carrier signal. Verify the address before tendering.
In good standing · 1
USDOT registration3838 yr registered
Authority not on fileInsurance (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
38 yr unchanged
Same registration since 1988 — no chameleon / reincarnation signal.
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Verification summary
WILLIAM SEILOFF (USDOT 316700) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score. FMCSA profile data as of Aug 16, 2026.
The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available. FMCSA authority data as of Sep 3, 2026.
It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available. FMCSA insurance data as of Aug 16, 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. FMCSA operations data as of Sep 17, 2026.
It reports 5 power units and 1 driver in its most recent MCS-150 filing available in the FMCSA record. FMCSA identity data as of Sep 3, 2026.
It has no FMCSA-assigned safety rating in the federal record. FMCSA identity data as of Sep 3, 2026.
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Frequently asked
What is WILLIAM SEILOFF's USDOT number?
WILLIAM SEILOFF's USDOT number is 316700.
Is WILLIAM SEILOFF authorized to operate?
FMCSA authority data as of Sep 3, 2026. WILLIAM SEILOFF is inactive in the FMCSA register.
How big is WILLIAM SEILOFF's fleet?
WILLIAM SEILOFF operates 5 power units and 1 driver per its most recent MCS-150 filing.
Where is WILLIAM SEILOFF based?
WILLIAM SEILOFF is based in RAWLINS, WY.
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