Carrier profile · USDOT 4315389 · MC-1691281 · Updated Jun 13, 2026
503 Corporations LLC
1 power unitavg 6 yrRegional · 6 statesSAN ANTONIO, TX62/100
CARRIER ACTIVEMC-1691281 ACTIVEUNDELIVERABLE ADDRESS
Equipment
Haulable capacity (power units only — trailers are towed context), equipment mix, and the VIN-decoded unit roster. Click any VIN to trace that unit across every carrier that has run it.
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 1
- Observed power (24 mo)
- 4
- Trailers (towed)
- 3
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2026
Newest model yr
2007
Oldest model yr
42.9%
VINs decoded
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 3C63RRHL5RG391636View sourced platform decode | Pickup | 2024 | RAM | 3500 | 5 | Jun 22, 2026 |
| 16V3F4822T6464180View sourced platform decode | Trailer | 2026 | BIG TEX | Big Tex | 5 | Jun 22, 2026 |
| 5PVNJ8JV2K4S72203View sourced platform decode | Incomplete - Chassis Cab (Single Cab) | 2019 | HINO | Conventional Type Truck | 4 | May 6, 2025 |
| 7N7J3AX22TC009574View sourced platform decode | Trailer | 2026 | OTHR | — | 1 | May 14, 2026 |
| 1GC5WLE79LF199868View sourced platform decode | Power unit | 2020 | CHEV | — | 1 | May 14, 2026 |
| 3D7ML49C07G763001View sourced platform decode | Power unit | 2007 | DODGE | — | 1 | Mar 27, 2026 |
| 4P5FD4020J3027633View sourced platform decode | Trailer | 2018 | PJTR | — | 1 | Mar 27, 2026 |
Showing 7 · most-inspected first.