Carrier profile · USDOT 4225877 · MC-1634101 · Updated Aug 16, 2026
Sigma Associates LLC
DBA SIGMA NATIONAL
1 power unitavg 9.5 yrRegional · 5 statesBELLEVUE, WA74/100
CARRIER ACTIVEMC-1634101 ACTIVEUNDELIVERABLE ADDRESS
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.
Last 12 months: 6 trucks also ran under 3 other carriers
VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 76209USDOT 4409644USDOT 3791372Some overlap is legitimate (leased or sold equipment); review alongside the other signals.
Show all-time history (16 trucks · 15 carriers)
Across all inspections on record: USDOT 4117662USDOT 4369843USDOT 2458360USDOT 3791372USDOT 271910USDOT 3260407USDOT 3897995USDOT 76209
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)11
Observed (24 mo)77
Shared w/ other carriers1616
Roadside-observed power units materially exceed the registered MCS-150 fleet — confirm the carrier is operating within its filed capacity.
Shared-VIN cross-links· units inspected under more than one USDOT