Carrier profile · USDOT 343395 · Updated Jun 13, 2026

ISSC INC

DBA SEAPORT STEEL CO

26 power unitsavg 10.5 yrRegional · 4 statesSEATTLE, WA86/100

AUTHORITY STATUS UNKNOWNRATED 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 60.0%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 — 20 vehicle and 46 driver inspections over 24 months.

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

60.0% · 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 11.1 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

44 inspections in the charted months · busiest month Feb '25 · 5

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

≈0.9 / unit·yr

thin signalabundant signal

Within the expected band for a 26-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.

Registered power units: 26
Inspections · 24 mo: 46
Annualized: ≈23 / yr
Coverage: ≈0.9 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

43%

Unsafe Driving

Vektor peer est.

Hours-of-Service

Vektor peer est.

Driver Fitness

0violations

clean · per-BASIC

Controlled Substances

0violations

clean · per-BASIC

80%

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 Driving21 · 0 OOS
393.45 Brake tubing / hose defectsVehicle Maintenance10 · 0 OOS
393.9 Inoperative required lampsVehicle Maintenance9 · 2 OOS
393.110 Cargo securement — number of tiedownsVehicle Maintenance8 · 8 OOS
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance7 · 7 OOS
393.47 Brake actuators / linings / componentsVehicle Maintenance6 · 0 OOS
393.100 Cargo securement (general)Vehicle Maintenance5 · 5 OOS
395.8 Record of duty status (log / ELD) not current or missingHOS Compliance4 · 0 OOS
393.53 Automatic brake adjusters / indicatorsVehicle Maintenance3 · 0 OOS
393.55 Antilock brake system (ABS)Vehicle Maintenance3 · 0 OOS

ELD & hours-of-service

8 hours-of-service / ELD violations on record · most recent May 28, 2026. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

2ELD device issues

4No log / no ELD

0False logs

2Drove over hours

Trending worse — 100% of ELD violations are in the last 24 months.

Crash history· 9 total · 1 in 24 mo

Total crashes

In last 24 mo

Fatal

Injury

Year	Crashes	Injury	Tow
2026	1	1	1
2023	1	1	1
2019	2	0	2
2018	2	0	2
2015	2	0	2
2013	1	0	1

Date	State	Injuries	Tow-away
May 1, 2026	WA	1	Yes
Jan 11, 2023	WA	1	Yes
Oct 17, 2019	WA	0	Yes
Feb 5, 2019	WA	0	Yes
Dec 20, 2018	WA	0	Yes
Feb 22, 2018	OR	0	Yes
Dec 8, 2015	WA	0	Yes
Nov 13, 2015	WA	0	Yes
Jan 16, 2013	WA	0	Yes