DIAMOND MATERIALS LLC
Risk Assessment
Authority Active
Operating authority is currently active in FMCSA records.
Established Carrier
52 years of continuous operating authority.
Unrated
No DOT safety rating on file — common, not disqualifying on its own.
Generate a plain-English risk narrative for DIAMOND MATERIALS LLC — synthesizing authority, safety percentiles, crash recency, and chameleon signals into a broker-ready summary.
Full Report
Safety profile
All 7 FMCSA BASIC percentiles, inspections, and out-of-service rates.
Crash history
Individual crashes by date and severity, fleet-normalized.
Insurance & compliance
BI&PD + cargo coverage, carrier, effective dates, and gaps.
Authority & cross-reference
Revocation history + chameleon flags across 4.4M carriers.
Change history
3 recorded changes to DIAMOND MATERIALS LLC’s FMCSA record. Derived from monthly FMCSA Census snapshots.
138
to
139
116
to
117
Sep 17, 2024
to
Jul 2, 2025
FAQ · DIAMOND MATERIALS LLC
Is DIAMOND MATERIALS LLC a legitimate motor carrier?
DIAMOND MATERIALS LLC is registered with FMCSA under USDOT number 45597. Operating authority status is currently Active.
Where is DIAMOND MATERIALS LLC based?
DIAMOND MATERIALS LLC lists its physical address in WILMINGTON, DE in FMCSA records. The physical state and city fields are provided by the carrier on their MCS-150 form.
Is USDOT 45597 active?
USDOT 45597 (DIAMOND MATERIALS LLC) operating authority status is currently Active. Last verified by MC Look Up on April 17, 2026. Data is sourced from live FMCSA federal records.
How many trucks does DIAMOND MATERIALS LLC operate?
DIAMOND MATERIALS LLC reports 139 power units and employs 117 drivers to FMCSA. These figures come from the carrier's most recent MCS-150 filing.
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