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Carrier profile · USDOT 45597 · MC-76472 · Updated 06/13/2026

DIAMOND MATERIALS LLC

136 power unitsavg 7.9 yrRegional · 4 statesWILMINGTON, DE
CARRIER ACTIVEMC-76472 ACTIVERATED CONDITIONALHAZMAT
Verified linksdiamondmaterials.comFMCSA SAFERCallEmail
Observed fleet · trailing 24 mo daily
136Power units
73 observed · MCS-150
15Trailers seen
Decoded · vPIC
7.9Avg age (yr)
1998–2025 · vPIC
Call dispatch(302) 658-6524Email dispatchdiamondMATERIALS@DIAMONDMATERIALS.COM

Load decision · FMCSA snapshot · 2026-06-13

Clear to load

Active authority and a clean federal record. No blocking issues found.

Active operating authorityInsurance on fileMultiple injury crashes
Operating authority52 yr active
since 1974
Insurance (BIPD)On file
FMCSA L&I
Vehicle OOS · 24mo9.7%
▼ 22.26% nat'l
Crashes · fatal0
9 in 24mo
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

7.9 yr

Model years 1998–2025 · peer benchmark computing.

Identity stabilityStable

52 yr unchanged

Same registration since 1974 — no chameleon / reincarnation signal.

AI readRegional operator, 52-yr authority, 10% vehicle OOS — clear to load.Full read

Is DIAMOND MATERIALS LLC safe to work with?

Is DIAMOND MATERIALS LLC safe to load? DIAMOND MATERIALS LLC (USDOT 45597, MC-76472) is an active asset-based motor carrier based in WILMINGTON, DE, operating 136 power units and 117 drivers. Operating authority has been active 52 years (past the 24-month broker-confidence threshold). Across 185 roadside inspections, its vehicle out-of-service rate is 9.7% (below the 22.26% national average), with 9 reportable crashes in the last 24 months. FMCSA rates it Conditional. Vektor rates it clear to load (94/100). Source: FMCSA SAFER/MCMIS, last updated 2026-06-13.

FMCSA fields + Vektor analysis · updated 2026-06-13
DMDIAMOND MATERIALS LLC 94
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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 2026-06-13, 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 9.7% vehicle out-of-service rate (national average 22.26%) across 185 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 4 states.