JAZ LLC
USDOT 2537037 · Doing business as BLACK DIAMOND OILFIELD SERVICES
Active, intrastate (hazmat) carrier, mid-size fleet (43 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate46.3% vs 19.1% national avg
- Crashes (24 months)4 reported — involvement does not imply fault
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 2537037 |
|---|---|
| MC Number | — |
| Legal Name | JAZ LLC |
| DBA Name | BLACK DIAMOND OILFIELD SERVICES |
| Entity Type | — |
| Phone | 4329344731 |
| Address | 10924 E COTTONWOOD RD, Gardendale, TX, 79758 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Intrastate (Hazmat) |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.
Our scoring
Safety scores
| Unsafe Driving | 78 / 100 |
|---|---|
| Hours-of-Service Compliance | 84 / 100 |
| Driver Fitness | 90 / 100 |
| Controlled Substances & Alcohol | 0 / 100 |
| Vehicle Maintenance | 95 / 100 |
Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 67 |
|---|---|
| Out-of-Service Rate | 46.3% vs 19.1% national average |
| Crashes | 4 total (1 fatal, 2 with injuries, 4 towaway) |
- 2026-05-16 — TX — 1 injured, towaway
- 2025-05-04 — TX — 1 injured, towaway
- 2024-12-17 — TX — 1 fatal, towaway
- 2024-09-20 — TX — towaway
- 2024-02-11 — TX — 1 fatal, 1 injured, towaway
Most frequent violation categories: 20 (125), 16 (71), 23 (48).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 43 |
|---|---|
| Drivers | 45 |
| Recent Annual Mileage | 670,800 |
| Last MCS-150 Filing | 11-SEP-24 |
JAZ LLC operates 43 power units — a larger fleet than 99% of carriers registered in TX.
Nearby
Other carriers in Gardendale, TX
- JACAM CATALYST LLC — USDOT 2390725, 424 power units
- F VUELVAS TRUCKING INC — USDOT 2587488, 25 power units
- LCH TRUCKING LLC — USDOT 2287538, 19 power units
- LENCO INDUSTRIAL SERVICES INC — USDOT 2151310, 15 power units
- MMHL INC — USDOT 2430602, 8 power units
Browse all carriers in Gardendale, TX or all TX carriers.