Diamond M Services LLC (USDOT 3978203)
Monitor- DOT number
- USDOT 3978203
- Operating authority
- Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. The federal bulk file showed this carrier's USDOT registration active as of 2026-09-04. We could not confirm that live just now.
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- No published safety rating
- Fleet on file
- 2 power units, 1 driver
- Operation type
- Intrastate Non-Hazmat
- Physical address
- 4 11TH ST, OZONA, TX 76943
- MCS-150 last filed
- 2026-03
Frequently asked questions
What carrier is DOT 3978203?
DOT 3978203 (USDOT 3978203) is Diamond M Services LLC, an intrastate non-hazmat motor carrier.
What is Diamond M Services LLC's USDOT number?
Diamond M Services LLC's USDOT number is 3978203. No MC docket number is on file.
Is Diamond M Services LLC currently authorized to operate?
Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. The federal bulk file showed this carrier's USDOT registration active as of 2026-09-04. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Diamond M Services LLC have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is Diamond M Services LLC's safety record?
In the last 24 months, FMCSA records show 0 of 3 vehicle inspections ending out-of-service for Diamond M Services LLC, too few inspections for a stable rate. FMCSA records also show 0 recordable crashes in the same window.
What is Diamond M Services LLC's CSA score?
FMCSA does not publish a single CSA score for carriers. Diamond M Services LLC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Diamond M Services LLC's FMCSA safety rating?
Diamond M Services LLC has no published FMCSA safety rating. Most US carriers have never received a rating review, so an unrated carrier is the common case, not a warning sign by itself.
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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 4, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status