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Ramiro Z Martinez

USDOT 3933655MC-1458735USDOT activeAuthority active· DBA Riz Transportation· Kingman, AZ

Ramiro Z Martinez (USDOT 3933655) holds active operating authority as a motor carrier of property under MC-1458735 based in Kingman, AZ. The earliest grant on file is from September 2022, 4 years, 1 month ago. $1,000,000 of liability coverage is on file with Great West Casualty Co. It reported 1 power unit and 1 driver on its last MCS-150 update (March 2026).

Operating authority

DocketAuthorityStatusInsurance requiredOn file
MC-1458735Motor carrier of propertyActive$750,000 liability$1,000,000 liability

Earliest grant on file: Sep 26, 2022 (4 years, 1 month ago).

Insurance and bonds on file

TypeInsurerCoverageEffectiveCancellation
Liability (BIPD) · form 91XGreat West Casualty Co.$1,000,000Jul 3, 2025—

Confirm coverage with the insurer before tendering a load.

Authority history

DateDocketAction
Jul 3, 2024MC-1458735Discontinued revocation · common carrier
Jun 6, 2024MC-1458735Involuntary revocation · common carrier
Nov 6, 2023MC-1458735Involuntary revocation · common carrier
Nov 3, 2023MC-1458735Discontinued revocation · common carrier
Sep 26, 2022MC-1458735Granted · motor carrier of property
Sep 26, 2022MC-1458735Granted · motor carrier of property

Registration

USDOT number3933655
USDOT statusActive
MC numberMC-1458735
Legal nameRamiro Z Martinez
DBA nameRiz Transportation
OperationInterstate
ClassificationAuthorized for hire
LocationKingman, Arizona 86409
USDOT addedAug 11, 2022
Last MCS-150 updateMar 23, 2026
Safety ratingNot rated

Fleet

Power units1
Trucks1
Drivers1 · 1 with a CDL
Annual miles87,698 · 2025

Cargo carried

General freight, Building materials, Construction

Check it yourself

Data as of Nov 14, 2026. Sources

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