Carrier profile · USDOT 3373801 · Updated Jun 13, 2026

PIOUS CARRIERS LLC

DBA NATIONAL TANK LINES

7 power unitsavg 9 yrLocal · 1 statesCONCORD, CA94/100
AUTHORITY STATUS UNKNOWNHAZMAT
Verified linksnationaltanklines.comFMCSA SAFERCallEmail

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 radiusLocal
revealed
States observed1
US states
Inspections · 24 mo48
CA busiest

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

Home base
CONCORD, CA
4323 CLAYTON RD
Top corridor
CA
CA 48
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · PIOUS CARRIERS LLC · trailing 24 months
StateCoverageInspections
CACaliforniaHQ48