Carrier profile · USDOT 57505 · MC-121221 · Updated Jun 13, 2026

Robert Nako Enterprises Inc

DBA YAMKO TRUCK LINES

7 power unitsavg 7 yrLocal · 2 statesLONG BEACH, CA88/100
CARRIER ACTIVEMC-121221 ACTIVERATED SATISFACTORY
Verified linksyamkotrucklines.comFMCSA 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 0.0%24-mo cumulative
050%nat'l 22.26%
Driver OOS 16.7%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 5 vehicle and 6 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

6 inspections in the charted months · busiest month Dec '25 · 2

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.

Expected band
Under-inspected
Expected
Well-monitored
Heavily inspected
≈0.4 / unit·yr
thin signalabundant signal
Roadside-inspection volume is about what you'd expect for a 7-unit fleet — enough signal to read the safety record, though not a heavy sample.
Registered power units
7
Inspections · 24 mo
6
Annualized
≈3 / yr
Coverage
≈0.4 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

Unsafe Driving
0violations
clean · per-BASIC
Hours-of-Service
0violations
clean · per-BASIC
77%
Driver Fitness
Vektor peer est.
Controlled Substances
0violations
clean · per-BASIC
Vehicle Maintenance
2.09measure
SMS · per-BASIC

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.

  • 383.23 Operating without a valid CDLDriver Fitness1 · 1 OOS
  • 390.21 USDOT number marking on vehicleUnsafe Driving1 · 0 OOS
  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving1 · 0 OOS
  • 393.78 Windshield wipersVehicle Maintenance1 · 0 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance1 · 0 OOS
  • 395.24 ELD — record edits / dataHOS Compliance1 · 0 OOS
  • 395.30 ELD — use / data transferHOS Compliance1 · 0 OOS

ELD & hours-of-service

2 hours-of-service / ELD violations on record · most recent Feb 29, 2024. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

2ELD device issues
0No log / no ELD
0False logs
0Drove over hours

0 ELD violations in the last 24 months.

Crash history· 21 total · 0 in 24 mo

21
Total crashes
0
In last 24 mo
1
Fatal
14
Injury
YearCrashesFatalInjuryTow
20221011
20182012
20171011
20153013
20142122
20134024
20121011
20111001
20102012
20082022
20071011
20031011
DateStateFatalitiesInjuriesTow-away
Jul 25, 2022CA02Yes
Jul 16, 2018CA00Yes
Jul 10, 2018CA01Yes
Jun 10, 2017CA01Yes
Nov 13, 2015CA01Yes
Sep 14, 2015CA00Yes
Jun 25, 2015CA00Yes
Nov 18, 2014CA01Yes
Nov 17, 2014CA11Yes
Dec 27, 2013CA01Yes
Oct 25, 2013CA01Yes
Jul 31, 2013CA00Yes
Mar 18, 2013CA00Yes
Jan 16, 2012CA01Yes
Jul 19, 2011CA00Yes
Dec 27, 2010CA01Yes
Aug 20, 2010CA00Yes
Dec 15, 2008CA01Yes
Jan 17, 2008CA01Yes
May 11, 2007CA03Yes
Oct 24, 2003CA03Yes