Carrier profile · USDOT 336595 · Updated Jun 13, 2026

GUARANTEE OIL CO INC

0 power unitsSIOUX CITY, IA50/100

AUTHORITY STATUS UNKNOWNHAZMAT

Observed fleet · trailing 24 mo daily

0Power units

Self-reported · MCS-150

—Trailers seen

None observed · 24 mo

—Avg age (yr)

Not yet decoded

Call dispatch(712) 258-7566

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.

Established 38 yearsUSDOT registration inactive

Watch · 2

USDOT registration inactiveThe USDOT record is flagged inactive — the carrier may not be authorized to operate.MCS-150 census data outdatedThe biennial MCS-150 update is 15.2 years old; fleet/mileage figures may be unreliable.

In good standing · 1

Established 38 yearsOperating authority has been on file since 1988.

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo—

No inspections · 24 mo

Crashes · fatal—

No crash record

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo—

No inspections · 24 mo

Crashes · fatal—

No crash record

Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots

Fleet typeIdentity

Small fleet

0 power units. Brokers price each fleet type apart.

Fleet age vs peersDecoding

—

Not yet decoded

Identity stabilityStable

37 yr unchanged

Same registration since 1988 — no chameleon / reincarnation signal.

What we know

This carrier has a federal identity but no operating activity on the record. Everything the FMCSA holds is below — we're not drawing empty charts around it.

On the federal record· FMCSA census + L&I

USDOT: 336595
USDOT registration: InactiveMCS-150 update overdue
Registered: Dec 13, 198837 years ago
Domicile: SIOUX CITY, IA
Self-reported fleet: 0 power units
Last MCS-150: May 9, 2011
Phone: (712) 258-7566

Why this record is thin· what the federal datasets return

No roadside inspections on the FMCSA record — so there is no out-of-service rate, no BASIC percentile and no violation history to show.
No equipment observed in inspections — so no VIN-decoded units, fleet age or trailer count.
No inspection geography — so no operating footprint or lane map.
No insurance filing history on record — so no coverage limit, insurer or continuity timeline to chart.

An absent record is not a clean record. Verify operating authority and insurance directly with FMCSA — and request a certificate of insurance — before tendering a load.

Federal record →Authority & insurance →

Verification summaryAuthority, insurance, safety and identity facts for GUARANTEE OIL CO INC.

GUARANTEE OIL CO INC (USDOT 336595) 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 0 power units in its most recent MCS-150 filing dated May 9, 2011.

It has no FMCSA-assigned safety rating in the federal record refreshed Jun 13, 2026.