Diamond Inc is an active interstate carrier based in Liberty Twp, OH.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 14 | 0 | 0 |
| Tractors | 1 | 13 | 0 |
| Trailers | 1 | 0 | 13 |
| Total Power Units | 14 | ||
Distinct vehicles · 24 mo
vs 14 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 85% | 91% | Worse than most peers |
| HOS Compliance | 78% | 90% | Worse than most peers |
| Driver Fitness | 84% | 93% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 68% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 3 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Unsafe Driving | 6 | 3 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 3, 2026 | TN | TRUCK TRACTOR | 0 | 0 |
| Feb 24, 2026 | SC | TRUCK TRACTOR | 0 | 0 |
| Feb 12, 2026 | MD | TRUCK TRACTOR | 1 | 2 |
| Sep 24, 2025 | NC | TRUCK TRACTOR | 0 | 0 |
| Aug 12, 2025 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 6 | 2.75 | — |
| HOS Compliance | 3 | 0.14 | — |
| Vehicle Maintenance | 4 | 4.88 | — |
| Driver Fitness | 1 | 0.35 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 11 states. Top state PA accounts for 16% of activity. Activity outside home state (OH): 100%.
+6 other states with fewer inspections
| Vehicle Maintenance | 6 | 1 | 2 |
| Hours-of-Service Compliance | 3 | 0 | 0 |
| Driver Fitness | 1 | 1 | 1 |
| GA |
| TRUCK TRACTOR |
| 2 |
| 0 |
| Jul 18, 2025 | TN | STRAIGHT TRUCK | 1 | 0 |
| Mar 25, 2025 | VA | TRUCK TRACTOR | 0 | 0 |
| Mar 23, 2025 | IN | TRUCK TRACTOR | 1 | 0 |
| Jan 15, 2025 | PA | TRUCK TRACTOR | 2 | 0 |
| Jan 14, 2025 | PA | TRUCK TRACTOR | 2 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 12, 2026 | 39375A3TAOLTIS | Tires - All others leaking in tread area and inflation less than 50% of the maximum inflation pressure on tire equipped with ATIS | Vehicle Maintenance | Yes |
| Aug 12, 2025 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Aug 12, 2025 | 39524 | HOS (ELD) - ELD Form and Manner | Hours-of-Service Compliance | — |
| Jul 18, 2025 | 3922SLLCP | State/Local Laws - Operate a CMV while using a cellular phone | Unsafe Driving | — |
| Mar 23, 2025 | 3922SLLS4 | State/Local Laws - Speeding 15 or more miles per hour over the speed limit | Unsafe Driving | — |
| Jan 15, 2025 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Jan 15, 2025 | 39522H2ELDNISDT | HOS (ELD) Driver failing to have instruction sheet describing the data transfer mechanisms supported by the ELD and step-by-step instructions for the driver to pr | Hours-of-Service Compliance | — |
| Jan 14, 2025 | 39323LEU | Lighting - All electrical systems on towed vehicle(s) inoperative due to no electrical connection (e.g. unplugged or loose pigtail) | Vehicle Maintenance | Yes |
| Jan 14, 2025 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Sep 17, 2024 | 39395A | No/discharged/unsecured fire extinguisher | Vehicle Maintenance | — |