Carrier profile · USDOT 3891996 · Updated Aug 20, 2026

Rock Werks LLC

13 power unitsavg 9.4 yrLocal · 1 statesCASA GRANDE, AZ92/100

AUTHORITY STATUS UNKNOWN

Observed fleet · trailing 24 mo daily

13Power units

5 observed · MCS-150

2Trailers seen

Decoded · vPIC

9.4Avg age (yr)

2007–2021 · vPIC

Call dispatch(480) 440-7608 Email dispatchmark@rock-werks.com

Click to see how we scored it

Load decision · FMCSA snapshot · Aug 20, 2026

Clear to load

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

Watch · 1

MCS-150 census data outdatedThe biennial MCS-150 update is 4.3 years old; fleet/mileage figures may be unreliable.

In good standing · 2

Out-of-service rates below national averageBoth vehicle and driver OOS rates beat the national benchmark across 16 inspections.No reported crashesNo DOT-reportable crashes are on this carrier's record.

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo0.0%

▼ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo0.0%

▼ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

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

Fleet typeIdentity

Small fleet

13 power units. Brokers price each fleet type apart.

Fleet age vs peersTypical

9.4 yr

Model years 2007–2021 · peer benchmark unavailable.

Identity stabilityStable

4 yr unchanged

Same registration since 2022 — no chameleon / reincarnation signal.

Safety

10 inspections · 24 mo · vs national benchmarks

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

Vehicle OOS 0.0%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 — 9 vehicle and 10 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

8 inspections in the charted months · busiest month Jul '26 · 3

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

≈0.4 / unit·yr

thin signalabundant signal

Roadside-inspection volume is about what you'd expect for a 13-unit fleet — enough signal to read the safety record, though not a heavy sample.

Registered power units: 13
Inspections · 24 mo: 10
Annualized: ≈5 / yr
Coverage: ≈0.4 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 Driving9 · 0 OOS
390.21 USDOT number marking on vehicleUnsafe Driving3 · 0 OOS
393.78 Windshield wipersVehicle Maintenance2 · 0 OOS
393.9 Inoperative required lampsVehicle Maintenance2 · 0 OOS
396.17 Periodic (annual) inspectionVehicle Maintenance1 · 0 OOS
396.3 Inspection / repair / maintenance not performedVehicle Maintenance1 · 0 OOS
383.23 Operating without a valid CDLDriver Fitness1 · 1 OOS
396.9 Inspection of motor vehicles in operationVehicle Maintenance1 · 0 OOS
393.3 Parts & accessories (vehicle condition)Vehicle Maintenance1 · 0 OOS
393.30 Parts & accessories (vehicle condition)Vehicle Maintenance1 · 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): 13
Observed power (24 mo): 5
Trailers (towed): 2

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

Fleet age· model years · decoded VINs

9.4 yr

Average age

2021

Newest model yr

2007

Oldest model yr

71.4%

VINs decoded

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

Operations & Lanes

Revealed by inspection density across 1 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal

revealed

States observed

US states

Inspections · 24 mo

AZ busiest

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

Home base

CASA GRANDE, AZ

2150 N PINAL AVE

Top corridor

AZ 10

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

No shared-VIN flow in the last 12 months

None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.

Show all-time history (3 trucks · 2 carriers)

Across all inspections on record: USDOT 3052916 USDOT 3431166

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Shared w/ other carriers

Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.

Explore the carrier network & VIN cross-links

Identity & Federal

FMCSA census + L&I dossier

Location

Physical address: 2150 N PINAL AVE, CASA GRANDE, AZ, 85122-6208
Operation: Intrastate (Non-Hazmat)

Contact

Phone: (480) 440-7608
Email: mark@rock-werks.com
Web domain: rock-werks.com

Registration

Officer: Mark Pass
USDOT / docket: 3891996
First registered: May 28, 2022
Last MCS-150: May 28, 2022 · 0 mi
FMCSA safety rating: Not rated
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

—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

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Verification summaryAuthority, insurance, safety and identity facts for ROCK WERKS LLC.

ROCK WERKS LLC (USDOT 3891996) has a Vektor safety score of 92/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed Aug 20, 2026.

The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available as of Aug 20, 2026.

It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Aug 20, 2026.

Its vehicle out-of-service rate was 0.0% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Aug 20, 2026.

The carrier received 10 roadside inspections in the last 24 months — 9 vehicle-level and 10 driver-level — across 1 state, according to FMCSA roadside-inspection data refreshed Aug 20, 2026.

The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Aug 20, 2026.

It reports 13 power units and 8 drivers in its most recent MCS-150 filing dated May 28, 2022.

It has no FMCSA-assigned safety rating in the federal record refreshed Aug 20, 2026.

Frequently asked

What is ROCK WERKS LLC's USDOT number?

ROCK WERKS LLC's USDOT number is 3891996.

Is ROCK WERKS LLC authorized to operate?

As of Aug 20, 2026, ROCK WERKS LLC is active in the FMCSA register.

What is ROCK WERKS LLC's safety record?

ROCK WERKS LLC has a 0.0% vehicle out-of-service rate (national average 22.26%) across 16 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 92/100 (tier: clear).

How big is ROCK WERKS LLC's fleet?

ROCK WERKS LLC operates 13 power units and 8 drivers per its most recent MCS-150 filing.

Where is ROCK WERKS LLC based?

ROCK WERKS LLC is based in CASA GRANDE, AZ, with roadside inspections recorded across 1 state.

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