USDOT 4398830 · Interstate · Texas

Materials Carriers LLC

US DOT4398830

MC Docket1817884

Operating authorityAuthority pending

Insurance on fileNot on file

Safety ratingCheck on SAFER →

OperationInterstate

Census statusActive

ClassificationFor-hire carrier

Power units (fleet)1

Drivers1

LocationRound Rock, TX 78665

Cargo carriedGeneral Freight, Metal: sheets, coils, rolls, Beverages, Paper Products, Other

MCS-150 mileage6,000 mi (2022)

Phone (on file)(512) 774-8289

Sources: census record as of October 19, 2026; authority and insurance from FMCSA L&I, checked October 4, 2026; inspections and crashes from FMCSA SMS, checked October 4, 2026.

Quick answer

Materials Carriers LLC is an interstate motor carrier in Round Rock, Texas (USDOT 4398830) and a self-reported fleet of 1 power unit.

Key takeaways

USDOT 4398830 is registered to Materials Carriers LLC, an interstate carrier based in Round Rock, TX.
MC docket number on file: MC-1817884.
Current authority, insurance and safety status should be confirmed on the official FMCSA SAFER snapshot.
Self-reported fleet size: 1 power unit and 1 driver (FMCSA MCS-150 self-report; sanitized for plausibility).
Registered cargo types include general freight, metal: sheets, coils, rolls, beverages, paper products.

Safety & inspections

Official rating on SAFER →

0InspectionsFMCSA roadside, 24 months

Source: FMCSA Safety Measurement System, roadside inspections and crashes over a ~24-month window, checked October 4, 2026. An out-of-service rate is the share of inspections in which a vehicle or driver was placed out of service. With few inspections, one result moves the rate a lot. FMCSA crash records include crashes regardless of fault. None of these figures is a safety rating. The official Satisfactory/Conditional/Unsatisfactory safety rating is issued separately. See SAFER.

About Materials Carriers LLC

Materials Carriers LLC is an interstate motor carrier based in Round Rock, Texas, registered with the FMCSA under USDOT 4398830. Its current operating authority and insurance should be confirmed on the official SAFER record. The carrier self-reports a fleet of 1 power unit and 1 driver. Registered cargo includes general freight, metal: sheets, coils, rolls, beverages, paper products, other. Its most recent MCS-150 filing reported 6,000 mi (2022).

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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