Dot Diamond Core Drilling Inc is an active interstate carrier based in Elyria, OH.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 50 | 0 | 0 |
| Tractors | 13 | 0 | 0 |
| Trailers | 25 | 0 | 0 |
| Total Power Units | 63 | ||
Distinct vehicles · 24 mo
vs 63 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 45% | 85% | Around peer average |
| HOS Compliance | 100% | 97% | Worse than most peers |
| Driver Fitness | 84% | 93% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 71% | 86% | 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 | 5 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 17 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 4, 2026 | MD | STRAIGHT TRUCK | 0 | 0 |
| Feb 11, 2026 | MN | TRUCK TRACTOR | 4 | 1 |
| Dec 1, 2025 | TN | STRAIGHT TRUCK | 4 | 1 |
| Oct 9, 2025 | MD | STRAIGHT TRUCK | 0 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 0.31 | — |
| HOS Compliance | 4 | 2.73 | — |
| Vehicle Maintenance | 4 | 4.80 | — |
| Driver Fitness | 3 | 0.34 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 7 states. Top state MD accounts for 33% of activity. Activity outside home state (OH): 83%.
+2 other states with fewer inspections
| 2 |
| 3 |
| Hours-of-Service Compliance | 4 | 0 | 4 |
| Driver Fitness | 3 | 0 | 1 |
| Unsafe Driving | 2 | 1 | 0 |
| Sep 18, 2025 |
| OH |
| TRUCK TRACTOR |
| 2 |
| 0 |
| Apr 10, 2025 | MD | STRAIGHT TRUCK | 3 | 2 |
| Apr 10, 2025 | FL | TRUCK TRACTOR | 0 | 0 |
| Feb 13, 2025 | IL | STRAIGHT TRUCK | 3 | 1 |
| Nov 27, 2024 | DC | STRAIGHT TRUCK | 1 | 0 |
| Aug 16, 2024 | FL | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 11, 2026 | 3927AD | Driver - Failed to conduct pre-trip inspection or make use of required parts and accessories | Vehicle Maintenance | — |
| Feb 11, 2026 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Feb 11, 2026 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| Feb 11, 2026 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Dec 1, 2025 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Dec 1, 2025 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| Dec 1, 2025 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Dec 1, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Sep 18, 2025 | 39311A1CSLRR | Conspicuity Systems - Truck tractor lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Sep 18, 2025 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |