Carrier profile · USDOT 2957603 · MC-2814 · Updated Aug 20, 2026

Thaddeus Spencer

DBA TADCO TRANSPORT

1 power unitavg 7 yrLocal · 2 statesCORVALLIS, OR88/100
CARRIER ACTIVEMC-2814 ACTIVERATED SATISFACTORYHAZMAT
Verified linksFMCSA SAFER

Network & Fraud

Reincarnation chains, shared-VIN links, common domains and officers, and owner-group affiliations — the chameleon / double-broker signals that name-and-USDOT lookups miss.

No shared-VIN flow in the last 12 months

None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.
Show all-time history (3 trucks · 3 carriers)
Across all inspections on record: USDOT 305892USDOT 61163USDOT 3900341

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)1
Observed (24 mo)1
Shared w/ other carriers3

Registered and roadside-observed capacity are broadly consistent.

Shared-VIN cross-links· units inspected under more than one USDOT

VINCarriersInspectionsFirst seenLast seen
4WW5482A6J6626664View sourced platform decode24Jun 26, 2023May 27, 2026
1W1K5482XN6631128View sourced platform decode25Jan 11, 2024Feb 28, 2025
1UYVS25341C491401View sourced platform decode22Dec 2, 2023Feb 2, 2024