Carrier profile · USDOT 2114900 · MC-807519 · Updated Aug 20, 2026

Trefethen & Company LLC

DBA BADER AND OLSON CADOGAN TATE SEATTLE

6 power unitsavg 5 yrLocal · 2 statesSEATTLE, WA88/100
CARRIER ACTIVEMC-807519 ACTIVE
Verified linkstrefethenco.comFMCSA 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-identity links detected — no reincarnation flag, shared trucks, registration domain, or officer overlap with other carriers.

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)6
Observed (24 mo)4

Registered and roadside-observed capacity are broadly consistent.