Diamond Jk Services Llc is an active interstate carrier based in Conroe, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 5 | 0 | 0 |
| Tractors | 0 | 5 | 0 |
| Trailers | 0 | 12 | 0 |
| Total Power Units | 5 | ||
Distinct vehicles · 24 mo
vs 5 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 81% | 90% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 57% | 75% | Around peer average |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 10 | 0 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Sep 20, 2025 | TX | TRUCK TRACTOR | 1 | 0 |
| Jun 18, 2025 | TX | TRUCK TRACTOR | 0 | 0 |
| May 25, 2025 | OK | STRAIGHT TRUCK | 2 | 0 |
| Apr 23, 2025 | TX | TRUCK TRACTOR | 2 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 1 | 0.22 | — |
| Vehicle Maintenance | 5 | 4.11 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
Where they run
Inspected in 3 states. Top state TX accounts for 50% of activity. Activity outside home state (TX): 50%.
| Hours-of-Service Compliance |
| 2 |
| 0 |
| 0 |
| Nov 5, 2024 |
| OK |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Sep 17, 2024 | TN | TRUCK TRACTOR | 1 | 1 |
| Aug 6, 2024 | TX | STRAIGHT TRUCK | 0 | 0 |
| Jul 19, 2024 | TN | TRUCK TRACTOR | 6 | 3 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Sep 20, 2025 | 3965B | Oil and/or grease leak | Vehicle Maintenance | — |
| May 25, 2025 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| May 25, 2025 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| Apr 23, 2025 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Apr 23, 2025 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |
| Sep 17, 2024 | 3965BHWSL | Hubs - Wheel seal leaking | Vehicle Maintenance | Yes |
| Jul 19, 2024 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Jul 19, 2024 | 39343DB | Brake - Missing or inoperable breakaway braking system on a trailer(s) or converter dolly | Vehicle Maintenance | Yes |
| Jul 19, 2024 | 39343DBMA | Brake - Breakaway not attached to the towing vehicle | Vehicle Maintenance | Yes |
| Jul 19, 2024 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |