Carrier profile · USDOT 7754 · Updated Jun 13, 2026

United Shellfish Inc

23 power unitsavg 4.9 yrRegional · 3 statesGRASONVILLE, MD88/100

AUTHORITY STATUS UNKNOWNRATED SATISFACTORY

Observed fleet · trailing 24 mo daily

23Power units

27 observed · MCS-150

—Trailers seen

None observed · 24 mo

4.9Avg age (yr)

2017–2025 · vPIC

Call dispatch(410) 827-8171 Email dispatchmzador@unitedshellfish.com

Click to see how we scored it

Load decision · FMCSA snapshot · Jun 13, 2026

Clear to load

Active authority and a clean federal record. No blocking issues found.

Watch · 2

Driver out-of-service rate above average8.5% vs the 6.7% national average.Multiple injury crashes8 crashes involving injuries are on record.

In good standing · 1

Established 52 yearsOperating authority has been on file since 1974.

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo1.8%

▼ 22.26% nat'l

Crashes · fatal

3 in 24 mo

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo1.8%

▼ 22.26% nat'l

Crashes · fatal

3 in 24 mo

Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots

Fleet typeIdentity

Small fleet

23 power units. Brokers price each fleet type apart.

Fleet age vs peersNewer

4.9 yr

Model years 2017–2025 · peer benchmark unavailable.

Identity stabilityStable

52 yr unchanged

Same registration since 1974 — no chameleon / reincarnation signal.

Safety

59 inspections · 24 mo · vs national benchmarks

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 1.8%24-mo cumulative

050%nat'l 22.26%

Driver OOS 8.5%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 56 vehicle and 59 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 7.9 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

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

≈1.3 / 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: 59
Annualized: ≈30 / yr
Coverage: ≈1.3 inspections / unit · yr

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

Explore full safety record — inspections, BASICs, crashes

Authority & Insurance

Can they legally + adequately haul your load?

Insurance continuity· insurer · policy · lapses

No insurance filing history on record.

This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here. Request a certificate of insurance to confirm active coverage before tendering.

Explore full authority & insurance record

Equipment

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 23
Observed power (24 mo): 27
Trailers (towed): 0

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Fleet age· model years · decoded VINs

4.9 yr

Average age

2025

Newest model yr

2017

Oldest model yr

59.3%

VINs decoded

Explore full fleet — VIN roster, equipment mix, age distribution

Operations & Lanes

Revealed by inspection density across 3 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusRegional

revealed

States observed

US states

Inspections · 24 mo

MD busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base

GRASONVILLE, MD

407 N KENT NARROWS WAY

Top corridor

MD 56 · DE 2 · DC 1

Density

fewermore

Shade = roadside inspections, last 24 mo.

See the full operating map — state density, top lanes

Network & Fraud

Affiliated entities & reincarnation signals · for review, not a verdict

Last 12 months: 1 truck also ran under 1 other carrier

VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 16130Some overlap is legitimate (leased or sold equipment); review alongside the other signals.

Show all-time history (10 trucks · 10 carriers)

Across all inspections on record: USDOT 1108943 USDOT 2796070 USDOT 2922178 USDOT 16130 USDOT 1076134 USDOT 3026196 USDOT 362875 USDOT 4097980

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Shared w/ other carriers

Registered and roadside-observed capacity are broadly consistent.

Explore the carrier network & VIN cross-links

Identity & Federal

FMCSA census + L&I dossier

Location

Physical address: 407 N KENT NARROWS WAY, GRASONVILLE, MD, 21638
Operation: Interstate

Contact

Phone: (410) 827-8171
Fax: (410) 827-7436
Email: mzador@unitedshellfish.com
Web domain: unitedshellfish.com

Registration

Officers: Mark Zador · Alexis Pappas
USDOT / docket: 7754
First registered: Jun 1, 1974
Last MCS-150: Jun 17, 2025 · 1,550,000 mi (2024)
FMCSA safety rating: Satisfactory · Aug 20, 1991
D-U-N-S: 22603096

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

1,550,000

Annual mileage

Open the full identity & federal record

Federal activity

Daily-captured FMCSA licensing & insurance changes — monitored by Vektor

Federal record activity· monitored daily by Vektor

No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.

Open the full federal-record activity feed

Reviews

Verified broker, shipper & driver reviews — moderated

Performance ratings only — never the Vektor risk score

No verified reviews yet

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Verification summaryAuthority, insurance, safety and identity facts for UNITED SHELLFISH INC.

UNITED SHELLFISH INC (USDOT 7754) has a Vektor safety score of 88/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed Jun 13, 2026.

The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available as of Jun 13, 2026.

It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Jun 13, 2026.

Its vehicle out-of-service rate was 1.8% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Jun 13, 2026.

The carrier received 59 roadside inspections in the last 24 months — 56 vehicle-level and 59 driver-level — across 3 states, according to FMCSA roadside-inspection data refreshed Jun 13, 2026.

The carrier has 3 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Jun 13, 2026.

It reports 23 power units and 23 drivers in its most recent MCS-150 filing dated Jun 17, 2025.

It has an FMCSA safety rating of Satisfactory assigned Aug 20, 1991 in the federal record refreshed Jun 13, 2026.

Frequently asked

What is UNITED SHELLFISH INC's USDOT number?

UNITED SHELLFISH INC's USDOT number is 7754.

Is UNITED SHELLFISH INC authorized to operate?

As of Jun 13, 2026, UNITED SHELLFISH INC is active in the FMCSA register.

What is UNITED SHELLFISH INC's safety record?

UNITED SHELLFISH INC has a 1.8% vehicle out-of-service rate (national average 22.26%) across 109 roadside inspections, with 3 reportable crashes in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor's computed risk score is 88/100 (tier: clear).

How big is UNITED SHELLFISH INC's fleet?

UNITED SHELLFISH INC operates 23 power units and 23 drivers per its most recent MCS-150 filing.

Where is UNITED SHELLFISH INC based?

UNITED SHELLFISH INC is based in GRASONVILLE, MD, with roadside inspections recorded across 3 states.

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