Carrier profile · USDOT 94649 · Updated Jul 18, 2026

DRILLERS SERVICE LLC

DBA DSI

90 power unitsavg 4.4 yrMulti-region · 14 statesHICKORY, NC88/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORY
Verified linksheadwaterco.comLinkedInFacebookFMCSA 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 14.6%24-mo cumulative
050%nat'l 22.26%
Driver OOS 1.3%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 82 vehicle and 151 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

146 inspections in the charted months · busiest month Dec '25 · 11

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
≈0.8 / unit·yr
thin signalabundant signal
Within the expected band for a 90-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
Registered power units
90
Inspections · 24 mo
151
Annualized
≈76 / yr
Coverage
≈0.8 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

28%
Unsafe Driving
Vektor peer est.
3%
Hours-of-Service
Vektor peer est.
25%
Driver Fitness
Vektor peer est.
Controlled Substances
0violations
clean · per-BASIC
24%
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 Driving32 · 0 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance21 · 3 OOS
  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance13 · 12 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance10 · 8 OOS
  • 390.21 USDOT number marking on vehicleUnsafe Driving9 · 0 OOS
  • 396.17 Periodic (annual) inspectionVehicle Maintenance8 · 0 OOS
  • 393.110 Cargo securement — number of tiedownsVehicle Maintenance6 · 6 OOS
  • 393.45 Brake tubing / hose defectsVehicle Maintenance5 · 0 OOS
  • 393.104 Cargo securement — tiedownsVehicle Maintenance5 · 1 OOS
  • 393.207 Parts & accessories (vehicle condition)Vehicle Maintenance5 · 5 OOS

ELD & hours-of-service

3 hours-of-service / ELD violations on record · most recent Mar 18, 2025. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

2ELD device issues
1No log / no ELD
0False logs
0Drove over hours

0 ELD violations in the last 24 months.

Crash history· 22 total · 4 in 24 mo

22
Total crashes
4
In last 24 mo
2
Fatal
11
Injury
YearCrashesFatalInjuryTow
20254113
20241001
20232012
20203003
20191001
20182012
20161001
20131011
20121011
20081111
20021011
20001010
19981011
19971011
19961011
DateStateFatalitiesInjuriesTow-away
Sep 18, 2025GA00Yes
Feb 10, 2025FL01No
Feb 6, 2025FL10Yes
Jan 29, 2025VA00Yes
Jan 5, 2024FL00Yes
Mar 24, 2023NC00Yes
Mar 7, 2023NC01Yes
Oct 6, 2020GA00Yes
Mar 11, 2020FL00Yes
Jan 29, 2020FL00Yes
Oct 31, 2019NC00Yes
Aug 2, 2018GA01Yes
Jul 10, 2018FL00Yes
Nov 8, 2016VA00Yes
Apr 19, 2013FL01Yes
Jul 3, 2012WV01Yes
Apr 18, 2008TX11Yes
Oct 8, 2002TN01Yes
Oct 2, 2000GA01No
Feb 18, 1998NC02Yes
Sep 28, 1997NC01Yes
Sep 16, 1996GA02Yes