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Carrier profile · USDOT 2537037 · Data as of Oct 7, 2026

Jaz LLC

DBA Black Diamond Oilfield Services · Gardendale, TX · Intrastate (Hazmat) for-hire carrier · Since 2014
No MC authorityNot rated by FMCSAHazmat
Cargo carriedGeneral FreightLiquids/GasesOilfield EquipmentWater, Oil Based Mud
View on FMCSA SAFERCall (432) 934-4731
39
Power units
35
Drivers
70
Inspections · 24 mo
4
Crashes · 24 mo
671K
Annual miles
12 yr
Registered
65
/ 100
Review before loading

4 flags to check before loading

Vehicle OOS well above average: 45.6% of vehicle inspections placed out of service vs 22.26% national. 1 fatal crash in 24 months.

How we scored it · 5 factors
Operating authority20/20
Insurance20/20
Out-of-service rates0/20
Crashes & rating10/20
Continuity & identity15/20

Composite of public FMCSA authority, insurance, inspection and crash records weighted against the national fleet. Decision support, not an official FMCSA safety rating.

Safety

FMCSA inspections & crashes · 24 mo · AS OF OCT 7, 2026
Vehicle out-of-service
45.6%▲ above avg
National 22.26% · 31 of 68 inspections
Driver out-of-service
7.1%▲ above avg
National 6.67% · 5 of 70 inspections
Crashes
4
1 fatal2 injury4 tow-away
Crash rate 2.98 per 1M mi
Total inspections
70
Driver inspections
70
Vehicle inspections
68
People injured
2
Fatalities
1
FMCSA rating
Not rated

Enforcement

FMCSA closed cases

Closed enforcement cases — case numbers, violation codes and the amount settled — are available after you create a free account.

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Authority & insurance

FMCSA L&I · AS OF OCT 7, 2026

No operating authority (MC/FF docket) on file. Private and intrastate carriers don't need one; interstate for-hire carriers and brokers do.

Equipment

SELF-REPORTED ON MCS-150
39
Power units
39
Trucks
36
Tractors owned
38
Trailers owned
35
Drivers
35
CDL drivers
Registered to haul hazardous materials.

Operations & cargo

FMCSA CENSUS
Intrastate (Hazmat)Authorized for Hire
Cargo carried
General FreightLiquids/GasesOilfield EquipmentWater, Oil Based Mud
Annual mileage
670,800 mi (2023)

Identity & federal record

FMCSA census · MCS-150
USDOT
2537037
MC / docket
None
Legal name
Jaz LLC
DBA
Black Diamond Oilfield Services
Entity type
Carrier
Operation
Intrastate (Hazmat)
First registered
Aug 28, 2014
Last MCS-150
Sep 11, 2024
Safety rating
Not rated
Drivers (CDL)
35 (35)
Hazmat
Yes
Business type
—

Fraud & network signals

For review, not a verdict.

No prior revocation
FMCSA shows no link to a previously revoked authority.
Unique phone number
Not shared with any other active USDOT.
Unique email address
Not shared with any other active USDOT.
Unique street address
Not shared with any other active USDOT.

Frequently asked

What is Jaz LLC's USDOT number?

Jaz LLC's USDOT number is 2537037.

Is Jaz LLC authorized to operate?

It does not hold MC operating authority, which private and intrastate carriers do not need.

What is Jaz LLC's safety record?

Over the last 24 months: 70 roadside inspections, a 45.6% vehicle and 7.1% driver out-of-service rate, and 4 reportable crashes (1 fatal). Not rated by FMCSA.

How big is Jaz LLC's fleet?

39 power units and 35 drivers per its MCS-150 filed Sep 11, 2024.

Where is Jaz LLC located?

Jaz LLC is located at 10924 E Cottonwood Rd, Gardendale, TX, 79758. Phone: (432) 934-4731.

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Source: FMCSA public records via the U.S. DOT Open Data Portal. Carrier Search presents the federal record and computed signals for decision support only. It is not an FMCSA safety rating and not a recommendation to use or avoid any carrier. Verify authority and insurance before tendering.