Carrier profile · USDOT 469916 · MC-212059 · Updated Jun 13, 2026

Southwest Port Services Inc

6 power unitsavg 9.1 yrRegional · 3 statesRANCHO DOMINGUEZ, CA82/100
CARRIER INACTIVEMC-212059 INACTIVERATED SATISFACTORY
Verified linksswport.usFMCSA SAFER

Safety

Roadside out-of-service rates versus the national benchmark, inspection and crash trends, decoded violation themes, and ELD / hours-of-service integrity — the full safety picture behind the verdict.

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 7.1%24-mo cumulative
050%nat'l 22.26%
Driver OOS 4.8%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 14 vehicle and 21 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

0.0% · latest 6-mo window● Steady

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Holding steady across the window. The national vehicle benchmark uses the same metric and is shown on the chart.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

20 inspections in the charted months · busiest month Jan '25 · 3

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Heavily inspected
Under-inspected
Expected
Well-monitored
Heavily inspected
1.8 / unit·yr
thin signalabundant signal
Among the more heavily-inspected carriers for its size — abundant roadside signal. Coverage isn't the question here; the out-of-service and crash record is.
Registered power units
6
Inspections · 24 mo
21
Annualized
11 / yr
Coverage
1.8 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

Unsafe Driving
0violations
clean · per-BASIC
Hours-of-Service
0violations
clean · per-BASIC
12%
Driver Fitness
Vektor peer est.
Controlled Substances
0violations
clean · per-BASIC
22%
Vehicle Maintenance
Vektor peer est.

Percentile = standing among same-exposure peers (higher = worse). FMCSA publishes percentiles for only some carriers (shown official); elsewhere we show a Vektor peer-percentile estimate, or the absolute SMS measure when there are too few inspections to rank.

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

  • 393.9 Inoperative required lampsVehicle Maintenance2 · 0 OOS
  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving2 · 0 OOS
  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance2 · 2 OOS
  • 393.47 Brake actuators / linings / componentsVehicle Maintenance1 · 0 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance1 · 0 OOS
  • 391.41 No / expired medical certificateDriver Fitness1 · 1 OOS
  • 396.5 Oil and/or grease leakVehicle Maintenance1 · 0 OOS
  • 393.11 Required lamps/reflectors missingVehicle Maintenance1 · 0 OOS
  • 393.45 Brake tubing / hose defectsVehicle Maintenance1 · 0 OOS

ELD & hours-of-service

No hours-of-service or ELD violations on record across 33 inspections — a clean logging history.

Crash history· 13 total · 0 in 24 mo

13
Total crashes
0
In last 24 mo
0
Fatal
6
Injury
YearCrashesFatalInjuryTow
20231001
20191011
20162012
20151011
20131001
20081011
20071011
20061001
20051001
19971001
19961011
19931001
DateStateFatalitiesInjuriesTow-away
Jan 20, 2023AZ00Yes
Dec 4, 2019CA01Yes
Nov 17, 2016TX01Yes
Jun 14, 2016CA00Yes
Sep 3, 2015CA01Yes
Mar 12, 2013NM00Yes
Jul 18, 2008CA01Yes
May 17, 2007CA01Yes
Jul 7, 2006CA00Yes
Sep 15, 2005CA00Yes
Jul 20, 1997CA00Yes
Sep 24, 1996TX01Yes
Nov 4, 1993TX00Yes