License Plate CA 4WK5803 (California) — Supply Key Services Inc
USDOT 3928604 · 2015 Utility Trailer Manufacturer
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.
| Observed dates | VIN | Plate | Reported carrier |
|---|---|---|---|
| 2026-02-16 | 1UYVS2539FU280423 | CA 4WK5803 | SUPPLY KEY SERVICES INC · USDOT 3928604 |
| 2025-11-16 | 1UYVS2539FU280423 | CA 4WK5803 | SHIPPING KEY SYSTEMS INC · USDOT 4294478 |
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
Supply Key Services Inc Active
- USDOT
- 3928604
- MC
- 1455360
- Status
- Active
- Type
- Motor Carrier
- Based in
- Indianapolis, IN
- Power units
- 65
- Drivers
- 55
- Inspections (24 mo)
- 121
- Crashes (24 mo)
- 4
- Vehicle OOS rate
- 22.2%
Carrier recorded at the latest inspection in the available records (2026-02-16). 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).
What this means
License plate CA-4WK5803 appears in FMCSA inspection records 4 times. Recorded on one vehicle: VIN 1UYVS2539FU280423 (2015 Utility Trailer Manufacturer). Operated by 2 different carriers (DOT numbers) over its inspection history. Most recent operating carrier: Supply Key Services Inc (USDOT 3928604). Vehicle make on file: Utility (UTILITY TR) (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-4WK5803 (California) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2024-10-11 to 2026-02-16. The latest inspection was in California, a Level II — walk-around inspection of the driver and the vehicle.
Vehicle on this plate
This plate is associated with a single vehicle, a 2015 Utility Trailer Manufacturer — VIN 1UYVS2539FU280423 (semi-trailer).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 4 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): Supply Key Services Inc (USDOT 3928604) from 2024-10-11 to 2026-02-16; Shipping Key Systems Inc (USDOT 4294478) on 2025-11-16.