503 Corporations LLC

US DOT4315389

Operating authorityCheck current authority on SAFER →

Insurance on fileCheck current insurance filing →

Safety ratingCheck on SAFER →

OperationInterstate

Census statusActive

OperationInterstate

ClassificationFor-hire carrier

Power units (fleet)1

Drivers1

LocationSan Antonio, TX 78207

Cargo carriedGeneral Freight

MCS-150 mileage125,000 mi (2025)

Phone (on file)(360) 810-6860

Quick answer

503 Corporations LLC is an interstate motor carrier in San Antonio, Texas (USDOT 4315389) and a self-reported fleet of 1 power units.

Key takeaways

USDOT 4315389 is registered to 503 Corporations LLC, an interstate carrier based in San Antonio, TX.
Current authority, insurance and safety status should be confirmed on the official FMCSA SAFER snapshot.
Self-reported fleet size: 1 power units and 1 drivers (FMCSA MCS-150 self-report; sanitized for plausibility).
Registered cargo types include general freight.

Check the current safety record

HaulAtlas has not cached inspection and crash data for this profile. Open the official FMCSA record for the current safety rating, inspections and out-of-service status.

Open SAFER snapshot →

About 503 Corporations LLC

503 Corporations LLC is an interstate motor carrier based in San Antonio, Texas, registered with the FMCSA under USDOT 4315389. Its current operating authority and insurance should be confirmed on the official SAFER record. The carrier self-reports a fleet of 1 power units and 1 drivers. Registered cargo includes general freight. Its most recent MCS-150 filing reported 125,000 mi (2025).

Before you work with this carrier

Confirm the safety rating. Authority and insurance are shown or linked above. Open the SAFER snapshot for the official safety rating and out-of-service status.
Verify insurance is current. Coverage on file can lapse; confirm active BIPD/cargo before tendering a load.
Match authority to the work. For-hire loads need active operating authority. A USDOT number alone isn't enough.

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503 Corporations LLC

Key takeaways

Check the current safety record

About 503 Corporations LLC

Before you work with this carrier

Other carriers in San Antonio

Sources