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Commercial Plate Lookup

License Plate CA 4SU7998 (California) — Thompson & Harvey Transportation Inc

USDOT 1477121 · 2007 Polar Tank Trailer

Clean record

Recorded vehicle, plate and carrier history

These are dated observations in the records available to us. They do not establish ownership, a sale, a transfer date, or continuous use between observations. The latest observation may not describe today’s vehicle or carrier.

Earliest and latest dates below are observations we have retained, not registration dates.
Observed datesVINPlateReported carrier
2026-05-181PMA2442975005577CA 4SU7998THOMPSON & HARVEY TRANSPORTATION INC · USDOT 1477121
2026-02-241PMA2442975005577CA 4SU7998THOMPSON HARVEY BAY AREA LLC · USDOT 2271357

Evidence: FMCSA inspection observations and retained snapshots of our vehicle records. Coverage is incomplete; an unreported change cannot be dated from these records.

Most recently recorded carrier for this plate

Thompson & Harvey Transportation Inc Active

USDOT
1477121
MC
557514
Status
Active
Type
Carrier & Cargo Tank Facility
Based in
Santa Maria, CA
Power units
49
Drivers
67
Inspections (24 mo)
165
Crashes (24 mo)
6
Vehicle OOS rate
5.7%

Carrier recorded at the latest inspection in the available records (2026-05-18). This does not establish current ownership or confirm that the carrier still operates this vehicle.

View full carrier profile →Authority, insurance & bonds, safety scores, crash history, inspections and the full fleet list.

This plate has also been operated by 1 other carrier (listed below).

Plate
CA-4SU7998
Vehicles
1
Inspections
5
OOS results
0

What this means

License plate CA-4SU7998 appears in FMCSA inspection records 5 times. Recorded on one vehicle: VIN 1PMA2442975005577 (2007 Polar Tank Trailer). Operated by 2 different carriers (DOT numbers) over its inspection history. Most recent operating carrier: Thompson & Harvey Transportation Inc (USDOT 1477121). Vehicle make on file: Polar Tank Trailer (POLR) (SEMI-TRAILER). No out-of-service violations are recorded under this plate in the available inspection records. Other violations may still be present.

About this plate

Commercial license plate CA-4SU7998 (California) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2025-07-12 to 2026-05-18. The latest inspection was in California, a Level I — full inspection of the driver and the vehicle.

Vehicle on this plate

This plate is associated with a single vehicle, a 2007 Polar Tank Trailer — VIN 1PMA2442975005577 (semi-trailer).

Combined inspection & out-of-service record

Across all vehicles on this plate there are 5 inspections on FMCSA record. No out-of-service violations appear in the available records under this plate. This does not mean that every inspection was free of other violations.

Operators

2 carriers have operated vehicles under this plate (most recent first): Thompson & Harvey Transportation Inc (USDOT 1477121) from 2025-07-12 to 2026-05-18; Thompson Harvey Bay Area Llc (USDOT 2271357) on 2026-02-24.

Vehicle detail (inspections per unit)
VIN 1PMA2442975005577 2007 Polar Tank Trailer (POLR) Polar Tank Trailer · SEMI-TRAILER
2025-07-12 → 2026-05-18
Carrier: THOMPSON & HARVEY TRANSPORTATION INC (DOT 1477121) · 4 inspections · 0 OOS · 0 violations
Last inspected in California · Level I — full inspection of the driver and the vehicle
VIN 1PMA2442975005577 2007 Polar Tank Trailer (POLR) Polar Tank Trailer · SEMI-TRAILER
Last seen 2026-02-24
Carrier: THOMPSON HARVEY BAY AREA LLC (DOT 2271357) · 1 inspections · 0 OOS · 0 violations
Last inspected in California · Level V — vehicle-only inspection without the driver present
Nearby California plates

Related

Frequently Asked Questions

How many vehicles are linked to plate CA-4SU7998?
One: VIN 1PMA2442975005577 (2007 Polar Tank Trailer).
Why does plate CA-4SU7998 appear under different DOT numbers?
Inspections under this plate were recorded against 2 USDOT numbers: Thompson & Harvey Transportation Inc (USDOT 1477121), Thompson Harvey Bay Area Llc (USDOT 2271357).

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