Carrier profile · USDOT 616092 · Updated Jun 13, 2026

DENMAN SERVICES INC

DBA DENMAN LINEN SERVICES

9 power unitsavg 4.3 yrLocal · 1 statesQUINCY, IL82/100
AUTHORITY STATUS UNKNOWN
Verified linksdenserv.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 9.1%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 5 vehicle and 11 driver inspections over 24 months.

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

0.0% · 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 27.9 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

9 inspections in the charted months · busiest month Jun '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
≈0.6 / unit·yr
thin signalabundant signal
Roadside-inspection volume is about what you'd expect for a 9-unit fleet — enough signal to read the safety record, though not a heavy sample.
Registered power units
9
Inspections · 24 mo
11
Annualized
≈6 / yr
Coverage
≈0.6 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

Unsafe Driving
0violations
clean · per-BASIC
35%
Hours-of-Service
Vektor peer est.
2%
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.

  • 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance3 · 0 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance3 · 0 OOS
  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving2 · 0 OOS
  • 396.17 Periodic (annual) inspectionVehicle Maintenance2 · 0 OOS
  • 393.201 Parts & accessories (vehicle condition)Vehicle Maintenance1 · 1 OOS
  • 393.45 Brake tubing / hose defectsVehicle Maintenance1 · 1 OOS
  • 393.78 Windshield wipersVehicle Maintenance1 · 0 OOS
  • 395.22 ELD — provider/registration/malfunctionHOS Compliance1 · 0 OOS
  • 395.24 ELD — record edits / dataHOS Compliance1 · 0 OOS
  • 395.30 ELD — use / data transferHOS Compliance1 · 0 OOS

ELD & hours-of-service

4 hours-of-service / ELD violations on record · most recent Jun 3, 2026. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

3ELD device issues
0No log / no ELD
0False logs
0Drove over hours

1 ELD violation in the last 24 months.

Crash history· 11 total · 1 in 24 mo

11
Total crashes
1
In last 24 mo
1
Fatal
3
Injury
YearCrashesFatalInjuryTow
20251001
20212022
20201001
20192002
20182012
20122002
20081101
DateStateFatalitiesInjuriesTow-away
Jan 31, 2025IL00Yes
Jun 1, 2021IL06Yes
Jan 12, 2021IL01Yes
Nov 17, 2020IL00Yes
Dec 3, 2019IL00Yes
Sep 11, 2019IL00Yes
Nov 21, 2018IL01Yes
Jul 14, 2018IL00Yes
Dec 20, 2012IL00Yes
Dec 20, 2012IL00Yes
Jun 3, 2008MO10Yes