PIOUS CARRIERS LLC

USDOT 3373801 · Doing business as NATIONAL TANK LINES

Active

Active, intrastate (hazmat) carrier, small fleet (15 power units) — no FMCSA safety rating on record (common).

USDOT3373801
MC Number—
Fleet15 power units
Drivers17
Phone5103619396
LocationConcord, CA

Vetting summary

At a glance

  • Out-of-service rate22.4% vs 19.1% national avg
  • Crashes (24 months)2 reported — involvement does not imply fault

These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.

Registration

Carrier identity

USDOT Number3373801
MC Number—
Legal NamePIOUS CARRIERS LLC
DBA NameNATIONAL TANK LINES
Entity Type—
Phone5103619396
Address4323 CLAYTON RD, Concord, CA, 94521-2843

Status

Authority & safety

Operating StatusActive
Operation TypeIntrastate (Hazmat)
Safety RatingNone on record — most carriers have not received a formal FMCSA safety rating.
Hazmat Flagtrue

Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.

Our scoring

Safety scores

Unsafe Driving
0 / 100
Hours-of-Service Compliance
0 / 100
Driver Fitness
86 / 100
Controlled Substances & Alcohol
0 / 100
Vehicle Maintenance
78 / 100

Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.

Safety events

Inspections & crashes (last 24 months)

Inspections49
Out-of-Service Rate22.4% vs 19.1% national average
Crashes2 total (0 fatal, 1 with injuries, 1 towaway)
  • 2025-12-25 — CA — 1 injured
  • 2025-08-14 — CA — towaway
  • 2024-03-02 — CA — towaway

Most frequent violation categories: 16 (20), 23 (8), 15 (6).

Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.

Equipment

Fleet & operations

Power Units (trucks)15
Drivers17
Recent Annual Mileage690,000
Last MCS-150 Filing27-JAN-26

PIOUS CARRIERS LLC operates 15 power units — a larger fleet than 98% of carriers registered in CA.

Nearby

Other carriers in Concord, CA

Browse all carriers in Concord, CA or all CA carriers.