Carrier profile · USDOT 7754 · Updated Jun 13, 2026

UNITED SHELLFISH INC

23 power unitsavg 5.1 yrRegional · 3 statesGRASONVILLE, MD88/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORY

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 1.7%24-mo cumulative
050%nat'l 22.26%
Driver OOS 7.8%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 60 vehicle and 64 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 4.6 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

58 inspections in the charted months · busiest month Oct '25 · 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
1.4 / unit·yr
thin signalabundant signal
Within the expected band for a 23-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
Registered power units
23
Inspections · 24 mo
64
Annualized
32 / yr
Coverage
1.4 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

47%
Unsafe Driving
Vektor peer est.
27%
Hours-of-Service
Vektor peer est.
50%
Driver Fitness
Vektor peer est.
3%
Controlled Substances
Vektor peer est.
29%
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 Driving33 · 0 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance26 · 0 OOS
  • 390.21 USDOT number marking on vehicleUnsafe Driving13 · 0 OOS
  • 396.17 Periodic (annual) inspectionVehicle Maintenance8 · 0 OOS
  • 391.41 No / expired medical certificateDriver Fitness4 · 4 OOS
  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance4 · 1 OOS
  • 393.203 Parts & accessories (vehicle condition)Vehicle Maintenance3 · 0 OOS
  • 393.78 Windshield wipersVehicle Maintenance2 · 0 OOS
  • 393.207 Parts & accessories (vehicle condition)Vehicle Maintenance2 · 2 OOS
  • 392.16 Failure to use seat beltUnsafe Driving2 · 0 OOS

ELD & hours-of-service

No hours-of-service or ELD violations on record across 108 inspections — a clean logging history.

Crash history· 18 total · 3 in 24 mo

18
Total crashes
3
In last 24 mo
0
Fatal
8
Injury
YearCrashesFatalInjuryTow
20262012
20251001
20241010
20232012
20221001
20192002
20163023
20111001
20102012
20021011
20001001
19941011
DateStateFatalitiesInjuriesTow-away
May 6, 2026MD00Yes
Mar 7, 2026MD01Yes
Dec 19, 2025MD00Yes
Mar 21, 2024VA01No
Aug 14, 2023MD01Yes
Jun 29, 2023MD00Yes
Oct 20, 2022DE00Yes
Dec 11, 2019MD00Yes
Jul 19, 2019MD00Yes
Sep 19, 2016MD03Yes
Jun 17, 2016DE01Yes
May 24, 2016MD00Yes
Jul 21, 2011MD00Yes
Aug 23, 2010MD01Yes
Aug 23, 2010MD00Yes
May 28, 2002MD01Yes
Oct 5, 2000VA00Yes
Apr 8, 1994MD02Yes