TruckCodex

JAZ LLC

USDOT 2537037 • DBA: BLACK DIAMOND OILFIELD SERVICES • 10924 E COTTONWOOD RD, GARDENDALE, TX, 79758

ACTIVE
Authority:None on file
Insurance:None on file
BOC-3:Not on file
Safety Rating:Not rated
MCS-150:Never updated
OOS Orders:None

Overview

Company profile from FMCSA Census File

USDOT
2,537,037
Status
ACTIVE
Operation
Intrastate (Hazmat)
State
Texas
Phone
4329344731
Email
[email protected]
Power Units (MCS-150)
43
Drivers (MCS-150)
45
MCS-150 Mileage
670,800
Physical Address
10924 E COTTONWOOD RD, GARDENDALE, TX, 79758
Contact
Phone: 4329344731

Risk Signals2 flagged

MEDIUM
Elevated vehicle OOS rate: 45.9%
National average is 23.4%. This carrier's vehicle OOS rate is 22.5 percentage points above average.
HIGH
1 fatal crash in last 24 months
1 total fatality. See crash history below.

Signals are auto-detected from FMCSA public records. This is not a regulatory determination.

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Active Authority
0
Revoked / Inactive
0
Authority Types
0
Insurance Policies
None on file
BOC-3 Filing
Not on file

Operating Authority

fmcsa-authhistApr 5, 2026
No records found

No insurance filings found for this carrier in FMCSA records.

Check FMCSA SAFER for current insurance status

Safety & Inspections

SMS BASIC scores, inspection history, and out-of-service rates

SMS BASIC Measures

Unsafe Driving
0
Hours of Service
0
Driver Fitness
0
Drugs / Alcohol
0.00
Vehicle Maintenance
15.41

BASIC measure values (lower = better). Percentile rankings not available for this carrier. Data from SMS snapshot Apr 5, 2026.

Inspections
74
Violations
402
54 OOS
Vehicle OOS %
45.9%
Above nat'l avg (23.4%)
Driver OOS %
5.4%
Power Units (MCS-150)
43
Drivers (MCS-150)
45
Crash Records
13

Inspection Activity (24 months)

Monthly inspection counts with OOS months highlighted. Hover bars for details.

1
May
Jun
1
Jul
2
Aug
2
Sep
Oct
Nov
3
Dec
5
Jan
3
Feb
Mar
6
Apr
2
May
2
Jun
6
Jul
3
Aug
5
Sep
3
Oct
4
Nov
6
Dec
4
Jan
1
Feb
3
Mar
Apr
Clean monthMonth with OOSBased on latest 74 of 74 inspection records

Inspection Activity Map

1 state • 74 inspections

🚛
None Low Medium High🚛 Home base

Violation Summary (402 violations from 74 inspections)

fmcsa-inspection-file
Violation Summary (402 violations from 74 inspections)
CodeDescription# Violations# OOSSeverity WtBASIC
FMCSR:393.9Inoperable Required Lamp571—Vehicle Maintenance
FMCSR:393.9(a)Inoperable required lamps2533Vehicle Maintenance
FMCSR:393.55ECoupling device/towing methods defective2308Vehicle Maintenance
FMCSR:393.75A3Tire-flat and/or audible air leak2215—Vehicle Maintenance
FMCSR:393.78Windshield condition defective2204Vehicle Maintenance
FMCSR:393.11Lighting devices/reflectors2003Vehicle Maintenance
FMCSR:393.11TLLighting devices/reflectors1103Vehicle Maintenance
FMCSR:393.11TULighting devices/reflectors1003Vehicle Maintenance
FMCSR:393.47(e)Slack adjuster defective907Vehicle Maintenance
FMCSR:393.75A1Tire-ply or belt material exposed80—Vehicle Maintenance
FMCSR:393.75CTire tread depth insufficient (other axles)805Vehicle Maintenance
FMCSR:393.207ASuspension defective847Vehicle Maintenance
FMCSR:393.47ESlack adjuster defective707Vehicle Maintenance
FMCSR:393.9HInoperable head lamps60—Vehicle Maintenance
FMCSR:393.9TSInoperative turn signal61—Vehicle Maintenance
FMCSR:393.60CGlazing/window obstructions604Vehicle Maintenance
FMCSR:392.8Failing to inspect/use emergency equipment60—Unsafe Driving
FMCSR:396.5BFuel system leak607Vehicle Maintenance
FMCSR:393.48(a)Inoperative/defective brakes608Vehicle Maintenance
FMCSR:393.75(a)(3)Tire-flat and/or audible air leak65—Vehicle Maintenance
FMCSR:393.95AEmergency equipment - fire extinguisher missing/defective505Vehicle Maintenance
FMCSR:393.48AInoperative/defective brakes508Vehicle Maintenance
FMCSR:392.2RGOperating a CMV while ill or fatigued508Unsafe Driving
FMCSR:393.53BSteering system components worn507Vehicle Maintenance
FMCSR:393.53(b)Steering system components worn507Vehicle Maintenance
FMCSR:393.55D3Coupling device/towing methods defective408Vehicle Maintenance
FMCSR:393.81Horn inoperable402Vehicle Maintenance
FMCSR:396.3A1BOSBRAKES OUT OF SERVICE: The number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combination44—Vehicle Maintenance
FMCSR:393.95FEmergency Equipment - Stopped vehicle warning devices missing or improper40—Vehicle Maintenance
FMCSR:393.207CLeaf spring assembly defective/missing42—Vehicle Maintenance
FMCSR:396.3(a)(1)Inspection/repair/maintenance - general425Vehicle Maintenance
FMCSR:393.11URLighting devices/reflectors303Vehicle Maintenance
FMCSR:393.11LRLighting devices/reflectors303Vehicle Maintenance
FMCSR:393.51Steering wheel free play excessive316Vehicle Maintenance
FMCSR:393.55C1Coupling device/towing methods defective308Vehicle Maintenance
FMCSR:393.45DLPCBrake tubing/hoses inadequate307Vehicle Maintenance
FMCSR:396.3A1BBrakes (general) Explain:30—Vehicle Maintenance
FMCSR:396.3A1BLBrake system pressure loss33—Vehicle Maintenance
FMCSR:393.19Hazard warning signal inoperable303Vehicle Maintenance
FMCSR:393.95(a)Emergency equipment - fire extinguisher missing/defective305Vehicle Maintenance
FMCSR:396.5B-HLOWFuel system leak207Vehicle Maintenance
FMCSR:383.23A2Operating a CMV without a CDL22—Driver Fitness
FMCSR:393.203CHood not securely fastened20—Vehicle Maintenance
FMCSR:392.2WCOperating a CMV while ill or fatigued208Unsafe Driving
FMCSR:393.47BBrake actuators/chambers defective227Vehicle Maintenance
FMCSR:393.209EPower steering violations20—Vehicle Maintenance
FMCSR:396.17CNo proof of periodic inspection203Vehicle Maintenance
FMCSR:393.9TInoperable tail lamp20—Vehicle Maintenance
FMCSR:393.55C2Coupling device/towing methods defective208Vehicle Maintenance
FMCSR:393.47ABrake chamber - cracked/broken218Vehicle Maintenance
FMCSR:393.55(e)Coupling device/towing methods defective208Vehicle Maintenance
FMCSR:393.55(d)(3)Coupling device/towing methods defective208Vehicle Maintenance
FMCSR:393.45(d)Brake tubing/hoses inadequate207Vehicle Maintenance
FMCSR:383.23(a)(2)CDL - wrong class228Driver Fitness
FMCSR:393.60(c)Glazing/window obstructions204Vehicle Maintenance
FMCSR:393.45B2UVBrake tubing/hoses inadequate107Vehicle Maintenance
FMCSR:396.3A1-CHBrake - Hole in Spring Brake Housing11—Vehicle Maintenance
FMCSR:396.5B-HWSLOWFuel system leak107Vehicle Maintenance
FMCSR:393.70B1ICoupling devices defective118Vehicle Maintenance
FMCSR:393.45DLUVBrake tubing/hoses inadequate107Vehicle Maintenance
FMCSR:393.11SLighting devices/reflectors103Vehicle Maintenance
FMCSR:393.60DGlazing/window obstructions104Vehicle Maintenance
FMCSR:396.3A1Inspection repair and maintenance of parts and accessories10—Vehicle Maintenance
FMCSR:393.205CWheel fasteners loose and/or missing10—Vehicle Maintenance
FMCSR:392.60AUnauthorized passenger on board CMV10—Unsafe Driving
FMCSR:393.83GExhaust - Discharging at a point forward or directly below the driver or sleeper compartment10—Vehicle Maintenance
FMCSR:395.8F01Drivers record of duty status not current10—Hours Of Service
FMCSR:393.45Brake tubing/hoses inadequate117Vehicle Maintenance
FMCSR:393.75(a)(1)Tire-ply or belt material exposed10—Vehicle Maintenance
FMCSR:395.8Record of Duty Status violation (general/form and manner)10—Hours Of Service
FMCSR:393.55(c)(1)Coupling device/towing methods defective108Vehicle Maintenance
FMCSR:393.55(c)(2)Coupling device/towing methods defective108Vehicle Maintenance
FMCSR:393.209(e)Power steering violations10—Vehicle Maintenance
FMCSR:393.95(b)Emergency equipment - warning devices missing104Vehicle Maintenance
FMCSR:393.60(d)Glazing/window obstructions104Vehicle Maintenance
FMCSR:393.207(a)Suspension defective117Vehicle Maintenance
FMCSR:393.67(c)(7)(v)Tires - other defects106Vehicle Maintenance
FMCSR:393.47(b)Brake actuators/chambers defective117Vehicle Maintenance
FMCSR:393.207(c)Leaf spring assembly defective/missing11—Vehicle Maintenance

Peer Context

This carrier vs national averages. Lower is better for all metrics.

Vehicle OOS Rate
45.9%vs nat'l 23.4%
+22.5 pts above avg
Driver OOS Rate
5.4%vs nat'l 6.7%
-1.3 pts below avg
Violations / Inspection
5.43vs nat'l 1.80
+3.63 above avg

National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.

Inspection History (74 inspections)

Showing 50 of 74

fmcsa-inspectionsApr 5, 2026
Inspection History (74 inspections)
DateReport #StationStateLevelVehicleViolationsTop CodesOOS
Mar 30, 202687467074308M TX158TXLevel 2HERC SEMI-TRAILER3393.11, 393.45B2UV, 396.5B-HLOWNo
Mar 10, 202687303627RoadsideTXLevel 2JACK SEMI-TRAILER5393.9, 393.75A3, 393.78Yes
Mar 5, 202687276398TX137TXLevel 3—0—No
Feb 20, 202687166640FM1787TXLevel 3KW TRUCK TRACTOR0—No
Jan 29, 202686949225RoadsideTXLevel 2FRHT TRUCK TRACTOR0—No
Jan 16, 202686868050318M FM1379TXLevel 2FRHT TRUCK TRACTOR3393.11UR, 393.78, 393.9TSNo
Jan 12, 2026868411795605 US87 SBTXLevel 2JACK SEMI-TRAILER2393.11TL, 393.9No
Jan 6, 2026867522115605 US87 SBTXLevel 2TROX SEMI-TRAILER1393.9No
Dec 26, 202586695925322M FM1379TXLevel 2VOLV TRUCK TRACTOR2393.78, 393.95ANo
Dec 24, 202586668798161M IH20 WB SVC RDTXLevel 2OTHR SEMI-TRAILER3393.60C, 393.9, 393.9TSNo
Dec 18, 202586667841RoadsideTXLevel 2INTL TRUCK TRACTOR19393.48A, 393.75A3, 393.9Yes
Dec 15, 202586594108RoadsideTXLevel 2PTRB TRUCK TRACTOR2383.23A2, 396.3A1-CHYes
Dec 2, 202586509280RoadsideTXLevel 2KW TRUCK TRACTOR3393.203C, 393.55E, 392.2RGNo
Dec 2, 202586508654SH 137 MM 354TXLevel 2PTRB TRUCK TRACTOR6393.9, 393.78, 393.95FNo
Nov 27, 202586445011SH 349 MM 328TXLevel 2INTL TRUCK TRACTOR9393.9, 393.75A1, 393.55ENo
Nov 25, 202586444405RoadsideTXLevel 2DRAG SEMI-TRAILER8393.47B, 393.47E, 393.51Yes
Nov 14, 202586343863IH20 BLTXLevel 2—3393.75C, 393.78, 393.9HNo
Nov 12, 202586364233RoadsideTXLevel 2VOLV TRUCK TRACTOR4393.9, 393.11LR, 393.11No
Oct 28, 202586199458815 TX349TXLevel 2TROX OTHER7393.75A3, 393.11, 393.45DLPCYes
Oct 22, 202586160074287M FM1787TXLevel 2FRHT TRUCK TRACTOR3393.55E, 393.9, 393.9TSYes
Oct 10, 202586048770SH349 MM322ATXLevel 2OTHR SEMI-TRAILER7393.11, 393.207A, 393.55EYes
Sep 30, 202585953946RoadsideTXLevel 2OTHR SEMI-TRAILER6393.11, 393.55E, 393.75A1No
Sep 23, 202585892585RoadsideTXLevel 2PTRB TRUCK TRACTOR3393.11TL, 393.55E, 393.9HNo
Sep 16, 202585842489322M FM1379TXLevel 2PTRB TRUCK TRACTOR5393.9, 392.8, 393.78No
Sep 12, 202585842589SH 349TXLevel 2INTL TRUCK TRACTOR16393.47E, 393.75A3, 393.11TLYes
Sep 8, 202585738468346M US385 SBTXLevel 2OTHR SEMI-TRAILER3393.11TL, 393.70B1I, 393.75A3Yes
Aug 31, 202585695788RoadsideTXLevel 2KW TRUCK TRACTOR3393.75C, 393.55ENo
Aug 30, 202585674120320M FM1379TXLevel 2TANK SEMI-TRAILER6393.11TU, 393.45DLUV, 393.47ENo
Aug 18, 202585598194RoadsideTXLevel 2FRHT TRUCK TRACTOR3393.207A, 393.55E, 393.9Yes
Jul 31, 202585412906SH349 MM322TXLevel 2FRHT TRUCK TRACTOR5393.47E, 393.53B, 393.55ENo
Jul 29, 202585384383RoadsideTXLevel 2INTL TRUCK TRACTOR3393.11TL, 393.55E, 393.9No
Jul 17, 202585310790RoadsideTXLevel 2DESP SEMI-TRAILER3393.207A, 393.11URYes
Jul 10, 202585223653SL-0338 IN ECTOR CO. (250-290)TXLevel 2FRHT TRUCK TRACTOR2393.45DLPC, 392.2RGNo
Jul 8, 202585192131FM 829 MM 304TXLevel 2OTHR SEMI-TRAILER6393.11TL, 393.47B, 393.55EYes
Jul 2, 202585143424RoadsideTXLevel 2DESP SEMI-TRAILER9393.11TL, 393.11TU, 393.11No
Jun 24, 202585103420FM-1788 IN MIDLAND CO. (316-34TXLevel 2DESP SEMI-TRAILER2393.9H, 396.5BNo
Jun 4, 202584937548TX 349TXLevel 2TANK SEMI-TRAILER16393.75A3, 393.9, 393.207CYes
May 19, 202584757199US67 MM773TXLevel 2FRHT TRUCK TRACTOR2393.55E, 393.9No
May 12, 202584687230RoadsideTXLevel 2OVER SEMI-TRAILER3393.9, 393.11SNo
Apr 25, 202584524076RoadsideTXLevel 2DRAG SEMI-TRAILER3393.55C2, 393.55E, 393.9No
Apr 18, 202584469328FM1787 AT TX349TXLevel 2TROX SEMI-TRAILER20393.9, 393.75A3, 392.8Yes
Apr 9, 202584395915US 67 MILEPOST 744TXLevel 2VOLV TRUCK TRACTOR5393.55D3, 393.60D, 393.75A3Yes
Apr 9, 202584407402RoadsideTXLevel 2VOLV TRUCK TRACTOR9392.8, 393.11TU, 393.11No
Apr 8, 202584407303RoadsideTXLevel 2WSTR TRUCK TRACTOR5393.11UR, 393.11, 393.60CNo
Apr 1, 202584318091US385 SB SVC RD AT NTXLevel 2FRHT TRUCK TRACTOR4392.8, 393.11TL, 393.11TUNo
Feb 27, 202584016252TX158 EB AT TX158TXLevel 2FRHT TRUCK TRACTOR6393.9, 393.11, 393.11LRNo
Feb 19, 202583947997FM1379 AT TX349TXLevel 2DRAG SEMI-TRAILER10393.11, 393.11TL, 393.11TUYes
Feb 13, 202583895354RoadsideTXLevel 2DRAG SEMI-TRAILER7393.207C, 393.11TU, 393.51Yes
Jan 25, 202583718996US77 RIVIERA SCALETXLevel 2—5392.60A, 393.83G, 393.9No
Jan 23, 202583709074RoadsideTXLevel 2INTL TRUCK TRACTOR10393.47E, 383.23A2, 393.11TUYes
View all 74 records
View all 74 inspections →

Inspection analytics

Monthly cadence, frequent stations, and violation mix

Inspections per month (24 mo)

64 total · 42.2% OOS
2024-042026-03
InspectionsOOS

Most frequent inspection stations

FM-1788 IN MIDLAND CO. (316-343 · 2 OOS
322M FM13792
5605 US87 SB2
FM 1788 MM 3262 · 2 OOS
SH-0158 IN MIDLAND CO. (272-302 · 1 OOS
US385 NB2 · 2 OOS
346M US385 SB1 · 1 OOS
308M TX1581

Violations by BASIC category

Vehicle Maintenance382 · 50 OOS
Driver Fitness4 · 4 OOS

Recent Crashes

13 crash records from FMCSA Crash File

Total Crashes
13
Fatalities
4
Fatal crashes on record
Injuries
10
Across 8 crashes
Tow-Aways
13

Crash History (13 records)

fmcsa-crash-fileApr 5, 2026
Crash History (13 records)
DateStateSeverityFatalitiesInjuriesCityLocationVINCarrier Name at Crash
May 4, 2025TXINJURY01NOT LISTEDNOT REPORTED...371924JAZ LLC
Dec 17, 2024TXFATAL10NOT LISTEDNOT REPORTED...274583JAZ LLC
Sep 20, 2024TXTOW00NOT LISTEDNOT REPORTED...GU2330JAZ LLC
Feb 11, 2024TXFATAL11NOT LISTEDNOT REPORTED...017119JAZ LLC
Jan 15, 2024TXTOW00NOT LISTEDIH 20...BE3366JAZ LLC
Jan 2, 2022TXINJURY03NOT LISTEDNOT REPORTED...V78101JAZ LLC
Jul 24, 2021TXINJURY01NOT LISTEDNOT REPORTED...174058JAZ LLC
Jun 23, 2021TXFATAL11NOT LISTEDNOT REPORTED...X56886JAZ LLC
Nov 15, 2019TXFATAL11————
Mar 13, 2019TXINJURY01————
Jan 15, 2019TXTOW00————
Jan 8, 2019TXTOW00————
Jun 16, 2018TXINJURY01————

Compliance Timeline

13 events merged from authority, insurance, enforcement, OOS, crash, MCS-150, and safety rating records

May 4, 2025
Crash
Injury crash in TX
0 fatalities, 1 injury
Dec 17, 2024
Crash
Fatal crash in TX
1 fatality, 0 injuries
Sep 20, 2024
Crash
Tow-away crash in TX
0 fatalities, 0 injuries
Feb 11, 2024
Crash
Fatal crash in TX
1 fatality, 1 injury
Jan 15, 2024
Crash
Tow-away crash in TX
0 fatalities, 0 injuries
Jan 2, 2022
Crash
Injury crash in TX
0 fatalities, 3 injuries
Jul 24, 2021
Crash
Injury crash in TX
0 fatalities, 1 injury
Jun 23, 2021
Crash
Fatal crash in TX
1 fatality, 1 injury
Nov 15, 2019
Crash
Fatal crash
1 fatality, 1 injury
Mar 13, 2019
Crash
Injury crash
0 fatalities, 1 injury
Jan 15, 2019
Crash
Tow-away crash
0 fatalities, 0 injuries
Jan 8, 2019
Crash
Tow-away crash
0 fatalities, 0 injuries
Jun 16, 2018
Crash
Injury crash
0 fatalities, 1 injury

Related Records

Related records

StateAll entities in Texas
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CityEntities in GARDENDALE, TX
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Crashes13 crash records
FMCSA Crash File
Inspections74 inspection records
Full inspection history
StationFM-1788 IN MIDLAND CO. (316-34
3 inspections at this station
Station5605 US87 SB
2 inspections at this station
Station322M FM1379
2 inspections at this station
CertificatesAuthority Certificate Lookup
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RecallsRecalls & safety data
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Data sources & freshness

FMCSA Company Census File
Generated from 24-hour old database. Contact info and fleet counts may lag.
Updated 1 weeks ago
FMCSA Authority History
Updated 1 weeks ago
FMCSA Insurance Filings
Updated 1 weeks ago
FMCSA Vehicle Inspection File
Updated 1 weeks ago
Refresh dataLast updated: Apr 5, 2026
JAZ LLC (USDOT 2537037) — FMCSA Registered Entity — TruckCodex