Diamond B Construction Co Llc is an active interstate carrier based in Alexandria, LA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 9 | 0 | 0 |
| Tractors | 6 | 0 | 0 |
| Total Power Units | 19 | ||
Distinct vehicles · 24 mo
vs 19 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 | 0% | 0% | Better than most peers |
| Driver Fitness | 91% | 96% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 95% | 96% | Worse than most peers |
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 | 1 | — | 6.67% |
| Vehicle | 0 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Apr 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 11 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 12, 2026 | LA | TRUCK TRACTOR | 6 | 1 |
| Nov 19, 2025 | LA | TRUCK TRACTOR | 0 | 0 |
| Aug 8, 2025 | LA | TRUCK TRACTOR | 1 | 0 |
| Aug 8, 2025 | LA | TRUCK TRACTOR | 1 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 13.80 | — |
| Driver Fitness | 2 | 1.23 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state LA accounts for 100% of activity. Activity outside home state (LA): 0%.
| 2 |
| Driver Fitness | 2 | 2 | 1 |
| May 19, 2025 |
| LA |
| TRUCK TRACTOR |
| 4 |
| 1 |
| May 15, 2025 | LA | TRUCK TRACTOR | 0 | 0 |
| Apr 3, 2025 | LA | TRUCK TRACTOR | 0 | 0 |
| Oct 29, 2024 | LA | TRUCK TRACTOR | 0 | 0 |
| Sep 26, 2024 | LA | TRUCK TRACTOR | 0 | 0 |
| Aug 22, 2024 | LA | TRUCK TRACTOR | 1 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 12, 2026 | 39351CBLPW | Air Brake - Low pressure warning device missing/inoperative | Vehicle Maintenance | Yes |
| Feb 12, 2026 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Feb 12, 2026 | 3939ALRLI | Lighting - Tail lamp - Any inoperative | Vehicle Maintenance | — |
| Feb 12, 2026 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Feb 12, 2026 | 3939ALTSIR | Lighting - Turn signal -Any inoperative on a unit that is not the rearmost unit | Vehicle Maintenance | — |
| Feb 12, 2026 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Aug 8, 2025 | 38351ALCDLRSWD | License (CDL) - A person required to have a CLP or CDL who is disqualified must not drive a CMV | Driver Fitness | — |
| Aug 8, 2025 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| May 19, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| May 19, 2025 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |