Carrier profile · USDOT 4315389 · MC-1691281 · Updated Sep 6, 2026
503 Corporations LLC
1 power unitavg 6 yrRegional · 7 statesSAN ANTONIO, TX69/100
CARRIER ACTIVEMC-1691281 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: 1 truck also ran under 1 other carrier
VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 4140859Some overlap is legitimate (leased or sold equipment); review alongside the other signals.
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)11
Observed (24 mo)44
Shared w/ other carriers11
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
| VIN | Carriers | Inspections | First seen | Last seen |
|---|---|---|---|---|
| 4P5FD4020J3027633View sourced platform decode | 2 | 2 | Mar 27, 2026 | Aug 5, 2026 |