Carrier profile · USDOT 1905971 · MC-699110 · Updated Jul 18, 2026

EXTREME MATERIALS INC

DBA KNIGHTS TRUCKING

38 power unitsavg 5 yrLocal · 2 statesSUMMERVILLE, SC80/100
CARRIER ACTIVEMC-699110 ACTIVE

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 43.8%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 — 16 vehicle and 99 driver inspections over 24 months.

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

25.0% · 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 15.3 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

95 inspections in the charted months · busiest month Nov '24 · 8

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 38-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
Registered power units
38
Inspections · 24 mo
99
Annualized
50 / yr
Coverage
1.3 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

9%
Unsafe Driving
Vektor peer est.
Hours-of-Service
0violations
clean · per-BASIC
Driver Fitness
0violations
clean · per-BASIC
Controlled Substances
0violations
clean · per-BASIC
66%
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 Driving122 · 0 OOS
  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance9 · 9 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance9 · 1 OOS
  • 393.78 Windshield wipersVehicle Maintenance7 · 0 OOS
  • 396.17 Periodic (annual) inspectionVehicle Maintenance5 · 0 OOS
  • 393.60 Windshield / glazingVehicle Maintenance4 · 0 OOS
  • 393.100 Cargo securement (general)Vehicle Maintenance4 · 4 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance1 · 0 OOS
  • 393.11 Required lamps/reflectors missingVehicle Maintenance1 · 0 OOS
  • 393.203 Parts & accessories (vehicle condition)Vehicle Maintenance1 · 0 OOS

ELD & hours-of-service

No hours-of-service or ELD violations on record across 153 inspections — a clean logging history.

Crash history· 23 total · 3 in 24 mo

23
Total crashes
3
In last 24 mo
0
Fatal
10
Injury
YearCrashesFatalInjuryTow
20261011
20251001
20241001
20233003
20222012
20212012
20202012
20193023
20173003
20152012
20141011
20101010
20091010
DateStateFatalitiesInjuriesTow-away
Feb 6, 2026SC01Yes
Jun 26, 2025SC00Yes
Aug 19, 2024SC00Yes
Oct 19, 2023GA00Yes
May 15, 2023SC00Yes
Jan 9, 2023SC00Yes
Apr 22, 2022SC00Yes
Feb 18, 2022SC01Yes
Apr 23, 2021SC02Yes
Mar 2, 2021SC00Yes
Jun 12, 2020SC00Yes
Feb 12, 2020SC01Yes
Jun 3, 2019SC02Yes
Mar 13, 2019SC00Yes
Feb 4, 2019SC01Yes
Sep 19, 2017SC00Yes
Jun 14, 2017SC00Yes
Feb 10, 2017SC00Yes
Oct 26, 2015SC03Yes
Aug 5, 2015SC00Yes
Nov 1, 2014SC01Yes
Oct 19, 2010SC01No
Mar 12, 2009SC01No