Carrier profile · USDOT 847252 · MC-374274 · Updated Jun 13, 2026

ZST INC

8 power unitsavg 15.1 yrMulti-region · 11 statesKINZERS, PA88/100

CARRIER ACTIVEMC-374274 ACTIVERATED SATISFACTORY

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 14.3%24-mo cumulative

050%nat'l 22.26%

Driver OOS 5.6%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 7 vehicle and 18 driver inspections over 24 months.

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

33.3% · latest 6-mo window▲ Rising

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending up 30.6 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

18 inspections in the charted months · busiest month May '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.

Well-monitored

Under-inspected

Expected

Well-monitored

Heavily inspected

≈1.1 / unit·yr

thin signalabundant signal

Within the expected band for a 8-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.

Registered power units: 8
Inspections · 24 mo: 18
Annualized: ≈9 / yr
Coverage: ≈1.1 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

85%

Unsafe Driving

Vektor peer est.

76%

Hours-of-Service

Vektor peer est.

Driver Fitness

0violations

clean · per-BASIC

Controlled Substances

0violations

clean · per-BASIC

35%

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.

392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving19 · 0 OOS
395.8 Record of duty status (log / ELD) not current or missingHOS Compliance3 · 1 OOS
395.3 Driving beyond hours-of-service limitsHOS Compliance2 · 1 OOS
392.16 Failure to use seat beltUnsafe Driving2 · 0 OOS
393.47 Brake actuators / linings / componentsVehicle Maintenance2 · 0 OOS
396.17 Periodic (annual) inspectionVehicle Maintenance1 · 0 OOS
393.100 Cargo securement (general)Vehicle Maintenance1 · 1 OOS
393.53 Automatic brake adjusters / indicatorsVehicle Maintenance1 · 0 OOS

ELD & hours-of-service

5 hours-of-service / ELD violations on record · most recent Apr 9, 2026. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

0ELD device issues

0No log / no ELD

1False logs

1Drove over hours

Crash history· 13 total · 1 in 24 mo

Total crashes

In last 24 mo

Fatal

Injury

Year	Crashes	Fatal	Injury	Tow
2026	1	0	1	1
2017	2	0	1	2
2016	1	0	0	1
2011	1	0	0	1
2006	1	0	0	1
2005	1	0	1	0
2004	1	1	0	0
2001	1	0	1	1
2000	4	0	3	4

Date	State	Fatalities	Injuries	Tow-away
Jan 12, 2026	OH	0	1	Yes
Feb 10, 2017	PA	0	0	Yes
Jan 10, 2017	NY	0	1	Yes
Jun 9, 2016	IN	0	0	Yes
Jan 19, 2011	DE	0	0	Yes
Apr 27, 2006	NY	0	0	Yes
Oct 3, 2005	PA	0	1	No
Jul 26, 2004	PA	1	0	No
May 1, 2001	CT	0	1	Yes
Aug 15, 2000	PA	0	1	Yes
May 25, 2000	OH	0	0	Yes
Apr 12, 2000	NJ	0	1	Yes
Feb 15, 2000	NJ	0	1	Yes