Carrier profile · USDOT 458856 · MC-358072 · Updated Jun 30, 2026

S D Seifert Company Inc

4 power unitsavg 9.6 yrLocal · 1 statesACAMPO, CA100/100
CARRIER ACTIVEMC-358072 ACTIVERATED SATISFACTORY
Verified linksFMCSA 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 10.0%24-mo cumulative
050%nat'l 22.26%
Driver OOS 0.0%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 10 vehicle and 10 driver inspections over 24 months.

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

9.1% · latest 6-mo window▼ Falling

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending down 10.9 pts 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

10 inspections in the charted months · busiest month Nov '25 · 4

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.

Well-monitored
Under-inspected
Expected
Well-monitored
Heavily inspected
≈1.3 / unit·yr
thin signalabundant signal
Within the expected band for a 4-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
Registered power units
4
Inspections · 24 mo
10
Annualized
≈5 / yr
Coverage
≈1.3 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

Unsafe Driving
0violations
clean · per-BASIC
Hours-of-Service
0violations
clean · per-BASIC
Driver Fitness
0violations
clean · per-BASIC
Controlled Substances
0violations
clean · per-BASIC
3%
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.

  • 393.45 Brake tubing / hose defectsVehicle Maintenance2 · 2 OOS
  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving1 · 0 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance1 · 0 OOS

ELD & hours-of-service

No hours-of-service or ELD violations on record across 16 inspections — a clean logging history.

Crash history· 10 total · 0 in 24 mo

10
Total crashes
0
In last 24 mo
1
Fatal
5
Injury
YearCrashesFatalInjuryTow
20231101
20211001
20141001
20051011
20041011
20032022
19992012
19941001
DateStateFatalitiesInjuriesTow-away
May 16, 2023CA10Yes
Mar 1, 2021CA00Yes
Jun 10, 2014CA00Yes
Dec 23, 2005CA01Yes
Oct 5, 2004CA01Yes
May 21, 2003CA03Yes
Apr 11, 2003CA01Yes
Sep 17, 1999CA00Yes
Jul 29, 1999CA01Yes
Nov 8, 1994NV00Yes