Carrier profile · USDOT 2574313 · MC-900164 · Updated Sep 6, 2026

Diamond Plus Transportation Inc

14 power unitsavg 9.5 yrMulti-region · 14 statesWALNUT, CA80/100
CARRIER ACTIVEMC-900164 ACTIVE
Verified linksFMCSA SAFER

Operations & Lanes

Where this carrier actually runs, revealed by roadside-inspection geography over the last 24 months — not where they claim to operate, shown as state-level inspection density.

Operating footprint· revealed by roadside-inspection geography

Operating radiusMulti-region
revealed
States observed14
US states
Inspections · 24 mo63
CA busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base
WALNUT, CA
20510 BIND COURT
Top corridor
CA
CA 24 · AR 13 · AL 4
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 14 states · trailing 24 mo

Roadside inspections by state · DIAMOND PLUS TRANSPORTATION INC · trailing 24 months
StateCoverageInspections
CACaliforniaHQ24
ARArkansas13
ALAlabama4
AZArizona3
NMNew Mexico3
MSMississippi3
TXTexas2
OKOklahoma2
GAGeorgia2
LALouisiana2
TNTennessee2
NCNorth Carolina1
PAPennsylvania1
FLFlorida1