Carrier profile · USDOT 45597 · MC-76472 · Updated Aug 20, 2026

Diamond Materials LLC

136 power unitsavg 7.4 yrRegional · 3 statesWILMINGTON, DE94/100
CARRIER ACTIVEMC-76472 ACTIVERATED CONDITIONALHAZMAT
Observed fleet · trailing 24 mo daily
136Power units
77 observed · MCS-150
14Trailers seen
Decoded · vPIC
7.4Avg age (yr)
1998–2025 · vPIC
USDOT registration52 yr registered
Active for-hire
Insurance (BIPD)$1M in force
FMCSA L&I
Vehicle OOS · 24-mo8.7%
▼ 22.26% nat'l
Crashes · fatal0
9 in 24 mo
Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet typeIdentity

Asset-based

136 power units. Brokers price each fleet type apart.

Fleet age vs peersTypical

7.4 yr

Model years 1998–2025 · peer benchmark unavailable.

Identity stabilityStable

52 yr unchanged

Same registration since 1974 — no chameleon / reincarnation signal.

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Verification summaryAuthority, insurance, safety and identity facts for DIAMOND MATERIALS LLC.

DIAMOND MATERIALS LLC (USDOT 45597) has a Vektor safety score of 94/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed Aug 20, 2026.

The carrier holds active common for-hire operating authority per FMCSA L&I as of Aug 20, 2026.

It has an active BIPD insurance filing with a $1,000,000 limit in force from ARCH INSURANCE COMPANY effective Jan 1, 2012 in FMCSA L&I's current snapshot as of Aug 20, 2026.

Its vehicle out-of-service rate was 8.7% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Aug 20, 2026.

The carrier received 134 roadside inspections in the last 24 months — 92 vehicle-level and 134 driver-level — across 3 states, according to FMCSA roadside-inspection data refreshed Aug 20, 2026.

The carrier has 9 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Aug 20, 2026.

It reports 136 power units and 117 drivers in its most recent MCS-150 filing dated Jul 2, 2025.

It has an FMCSA safety rating of Conditional assigned May 26, 1988 in the federal record refreshed Aug 20, 2026.

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Frequently asked

What is DIAMOND MATERIALS LLC's USDOT number?

DIAMOND MATERIALS LLC's USDOT number is 45597, and its motor carrier number is MC-76472.

Is DIAMOND MATERIALS LLC authorized to operate?

As of Aug 20, 2026, DIAMOND MATERIALS LLC is active in the FMCSA register with common, contract, broker operating authority on file.

What is DIAMOND MATERIALS LLC's safety record?

DIAMOND MATERIALS LLC has a 8.7% vehicle out-of-service rate (national average 22.26%) across 193 roadside inspections, with 9 reportable crashes in the last 24 months, and an FMCSA "Conditional" safety rating. Vektor's computed risk score is 94/100 (tier: clear).

How big is DIAMOND MATERIALS LLC's fleet?

DIAMOND MATERIALS LLC operates 136 power units and 117 drivers per its most recent MCS-150 filing.

Where is DIAMOND MATERIALS LLC based?

DIAMOND MATERIALS LLC is based in WILMINGTON, DE, with roadside inspections recorded across 3 states.

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