Fleet typeIdentity
Owner-operator
1 power unit. Brokers price each fleet type apart.
Carrier profile · USDOT 4020524 · MC-1516347 · Updated Jun 13, 2026
SEMROCK OILFIELD SERVICES LLC
1 power unitTULSA, OK50/100
AUTHORITY STATUS UNKNOWNMC-1516347 STATUS UNKNOWN
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 · Jun 13, 2026
Limited record
Not enough federal record to assess. Verify authority and insurance directly.
USDOT registration inactive
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 3.5 years old; fleet/mileage figures may be unreliable.
In good standing · 0
Nothing flagged.
USDOT registration33 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
3 yr unchanged
Same registration since 2023 — no chameleon / reincarnation signal.
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Verification summary
SEMROCK OILFIELD SERVICES LLC (USDOT 4020524) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score as of Jun 13, 2026.
The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available as of Jun 13, 2026.
It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Jun 13, 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 Jun 13, 2026.
It reports 1 power unit and 1 driver in its most recent MCS-150 filing dated Jan 31, 2023.
It has no FMCSA-assigned safety rating in the federal record refreshed Jun 13, 2026.
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Frequently asked
What is SEMROCK OILFIELD SERVICES LLC's USDOT number?
SEMROCK OILFIELD SERVICES LLC's USDOT number is 4020524, and its motor carrier number is MC-1516347.
Is SEMROCK OILFIELD SERVICES LLC authorized to operate?
As of Jun 13, 2026, SEMROCK OILFIELD SERVICES LLC is inactive in the FMCSA register.
How big is SEMROCK OILFIELD SERVICES LLC's fleet?
SEMROCK OILFIELD SERVICES LLC operates 1 power unit and 1 driver per its most recent MCS-150 filing.
Where is SEMROCK OILFIELD SERVICES LLC based?
SEMROCK OILFIELD SERVICES LLC is based in TULSA, OK.
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