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Finding to review
Elevated risk factors
Review 1 finding before booking
At a glance— 36-month window · fleet of 139 power units
Location & contact
3 checks run — 1 elevated finding across 1 area of this record.
What we found
Create a free accountCompany officers
Create a free accountIdentity
Corporate family of related entities
2 related entities share contact identifiers — consistent with corporate structure (subsidiaries, terminals, shared back-office) for an established carrier.
Safety
Crash history within typical range
10 crashes in 36 months — within the typical range for this fleet size.
Coverage on file — FMCSA holds an active filing for this registration.
Coverage history and continuity
Create a free accountC — FMCSA issued this rating May 1988 - treat it as historical, not current.
Roadside inspections
17 of 184 went out of service in the 36-month window.
Out-of-service rates vs national averages
Create a free account10 crashes on record — 10 reportable crashes in the last 36 months, none fatal.
| Date | State | Level | Violations | Out of service |
|---|---|---|---|---|
| Aug 3, 2026 | NJ | 3 | 1 | No |
| Aug 3, 2026 | NJ | 3 | 0 | No |
| Jul 23, 2026 | MD | 2 | 0 | No |
| Jul 22, 2026 | DE | 2 | 0 | No |
| Jul 17, 2026 | DE | 2 | 1 | No |
| Jul 15, 2026 | NJ | 2 | 1 | No |
| Jul 10, 2026 | MD | 2 | 5 | Yes |
| Jul 1, 2026 | MD | 2 | 0 | No |
| Jun 30, 2026 | MD | 2 | 0 | No |
| Jun 30, 2026 | NJ | 3 | 0 | No |
| 174 earlier inspections are not shown here. The full inspection history is available to signed-in users. Create a free account | ||||
| Date | State | Fatalities | Injuries | Tow away |
|---|---|---|---|---|
| Apr 20, 2026 | MD | 0 | 0 | Yes |
Recorded activity by state
NJ · MD · DE · PA
Cargo carried
Machinery/Large Objects · Garbage/Refuse · Building Materials · Chemicals · Liquids/Gases · Logs/Poles/Lumber · Construction · Dry Bulk
Every carrier on FleetGen is evaluated against the federal record: operating authority status and the disposition of any revocation proceeding, liability, cargo and surety filings and whether this entity type is required to carry them, out-of-service orders and whether they were rescinded, inspection and crash history normalized to fleet size, out-of-service rates measured against FMCSA’s 24-month national averages, registration changes over time, and networks of companies sharing identifiers with this one.
Source: FMCSA SAFER / MCMIS via the FleetGen carrier database. Captured August 9, 2026. This record assists carrier vetting decisions and does not guarantee future performance.
See the full record for DIAMOND MATERIALS LLC
Hidden on this page: 1 finding · 2 related companies · 2 company officers · 174 earlier inspections · coverage history · out-of-service rates vs national averages.
Create a free account| Apr 13, 2026 |
| NJ |
| 0 |
| 0 |
| Yes |
| Aug 27, 2025 | MD | 0 | 0 | Yes |
| Jun 9, 2025 | DE | 0 | 2 | Yes |
| Apr 24, 2025 | NJ | 0 | 1 | Yes |
| Feb 18, 2025 | NJ | 0 | 1 | Yes |
| Feb 18, 2025 | NJ | 0 | 0 | Yes |
| Nov 12, 2024 | DE | 0 | 1 | Yes |
| Nov 12, 2024 | PA | 0 | 1 | Yes |
| Aug 10, 2023 | NJ | 0 | 0 | Yes |