Carrier profile · USDOT 344755 · Updated Jun 13, 2026

Armstrong Contractors LLC

14 power unitsavg 10 yrLocal · 1 statesCOLUMBIA, SC80/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT

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 37.5%24-mo cumulative
050%nat'l 22.26%
Driver OOS 2.8%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 8 vehicle and 36 driver inspections over 24 months.

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

33.3% · 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 14.3 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

35 inspections in the charted months · busiest month Jan '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
1.3 / unit·yr
thin signalabundant signal
Within the expected band for a 14-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
Registered power units
14
Inspections · 24 mo
36
Annualized
18 / 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
47%
Driver Fitness
Vektor peer est.
Controlled Substances
0violations
clean · per-BASIC
61%
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 Driving25 · 0 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance8 · 2 OOS
  • 396.17 Periodic (annual) inspectionVehicle Maintenance8 · 0 OOS
  • 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance7 · 0 OOS
  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance3 · 3 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance2 · 0 OOS
  • 383.23 Operating without a valid CDLDriver Fitness1 · 1 OOS
  • 393.203 Parts & accessories (vehicle condition)Vehicle Maintenance1 · 0 OOS
  • 393.78 Windshield wipersVehicle Maintenance1 · 0 OOS
  • 393.11 Required lamps/reflectors missingVehicle Maintenance1 · 0 OOS

ELD & hours-of-service

No hours-of-service or ELD violations on record across 51 inspections — a clean logging history.

Crash history· 14 total · 2 in 24 mo

14
Total crashes
2
In last 24 mo
0
Fatal
7
Injury
YearCrashesFatalInjuryTow
20262012
20241010
20221001
20201010
20181001
20111010
20091001
20071011
20051001
20041010
20031001
20011011
19971001
DateStateFatalitiesInjuriesTow-away
Feb 24, 2026SC00Yes
Feb 13, 2026SC01Yes
Feb 21, 2024SC01No
Mar 29, 2022SC00Yes
Feb 7, 2020SC01No
Sep 10, 2018SC00Yes
Apr 8, 2011SC02No
Feb 4, 2009SC00Yes
Jan 15, 2007SC01Yes
Mar 4, 2005SC00Yes
Apr 21, 2004SC01No
Sep 17, 2003SC00Yes
Dec 3, 2001SC01Yes
Sep 3, 1997SC00Yes