Fleet typeIdentity
Owner-operator
1 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 637360
VOLCANO ROCK INC
1 power unitsLocal · 1 statesMCARTHUR, CA
CARRIER ACTIVE
Observed fleet · trailing 24 mo daily
1Power units
Self-reported · MCS-150
—Trailers seen
None observed · 24 mo
—Avg age (yr)
Awaiting decode
Click to see how we scored it
Load decision · FMCSA snapshot · 2026-06-13
Limited record
Not enough federal record to assess. Verify authority and insurance directly.
Established 30 years
Watch · 0
Nothing flagged.
In good standing · 1
Operating authority3030 yr active
since 1996Insurance (BIPD)Unknown
FMCSA L&IVehicle OOS · 24mo0.00.0 %
▼ 22.26% nat'lCrashes · fatal00
clean 24 moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersDecoding
—
Awaiting VIN decode
Identity stabilityStable
30 yr unchanged
Same registration since 1996 — no chameleon / reincarnation signal.
AI readFull read
Is VOLCANO ROCK INC safe to work with?
Is VOLCANO ROCK INC safe to load? VOLCANO ROCK INC (USDOT 637360) is an active owner-operator motor carrier based in MCARTHUR, CA, operating 1 power unit and 2 drivers. Operating authority has been active 30 years (past the 24-month broker-confidence threshold). Across 1 roadside inspections, its vehicle out-of-service rate is 0.0% (below the 22.26% national average), with 0 reportable crashes in the last 24 months. FMCSA has not assigned a safety rating. Vektor rates it unrated (50/100). Source: FMCSA SAFER/MCMIS, last updated 2026-06-13.
FMCSA fields + Vektor analysis · updated 2026-06-13
VRVOLCANO ROCK INC 50
01
Safety
1 inspections · 24 mo · vs national benchmarks
Out-of-service rate· trailing 24 months vs national benchmark
Vehicle OOS 0.0% (24-mo)1 veh insp · 24-mo · nat'l 22.26%
050%nat'l 22.26%
Driver OOS 0.0% (24-mo)1 drv insp · 24-mo · nat'l 6.67%
030%nat'l 6.67%
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.
Under-inspected
Expected
Well-monitored
Heavily inspected
≈0.5 / unit·yr
thin signalabundant signal
Roadside-inspection volume is about what you'd expect for a 1-unit fleet — enough signal to read the safety record, though not a heavy sample.
- Registered power units
- 1
- Inspections · 24 mo
- 1
- Annualized
- ≈1 / yr
- Coverage
- ≈0.5 inspections / unit · yr
02
Authority & insurance
Can they legally + adequately haul your load?
Insurance continuity· insurer · policy · lapses
No insurance filing history on record.
03
Equipment & fleet
VIN-decoded · NHTSA vPIC
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 1
- Observed power (24 mo)
- —
- Trailers (towed)
- —
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
04
Operations & lanes
Revealed by inspection density across 1 states · 24 mo
Operating footprint· revealed by roadside-inspection geography
Operating radiusLocal
revealedStates observed11
US statesInspections · 24 mo11
CA busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
MCARTHUR, CA
Top corridor
CA
Density
fewermore
05
Network & fraud
Affiliated entities & reincarnation signals · for review, not a verdict
Shares a registration email domain with other carriers
@frontiernet.net — 3792 carriers: USDOT 2603USDOT 2912USDOT 6180USDOT 22450USDOT 31491USDOT 61440USDOT 65766USDOT 71595
Shares a company officer with other carriers
larry carpenter — 10 carriers: USDOT 495728USDOT 957509USDOT 1010580USDOT 1244956USDOT 1321358USDOT 2391554USDOT 2567199USDOT 2675163
06
Identity & contact
FMCSA census + L&I dossier
Location
- Physical address
- 44534 STATE HWY 299 E, MCARTHUR, CA, 96056
- Mailing address
- P O BOX 71, MCARTHUR, CA, 96056
- Operation
- Intrastate (Non-Hazmat)
Contact
- Phone
- (530) 336-5256
- Web domain
- frontiernet.net
Registration
- Officers
- Larry Carpenter · Calvin Carpenter
- USDOT / docket
- 637360
- First registered
- 04/16/1996
- Last MCS-150
- 08/19/2024 · 7,986 mi (2023)
- FMCSA safety rating
- Not rated
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
07
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.
08
Reviews
Verified broker, shipper & driver reviews — moderated
Performance ratings only — never the Vektor risk score
No verified reviews yet
Be the first broker or shipper to rate VOLCANO ROCK INC. Reviews cover performance only — on-time delivery, payment speed, communication — and never affect the Vektor risk score.
Leave a review09
Frequently asked
What is VOLCANO ROCK INC's USDOT number?
VOLCANO ROCK INC's USDOT number is 637360.
Is VOLCANO ROCK INC authorized to operate?
As of 2026-06-13, VOLCANO ROCK INC is active in the FMCSA register.
What is VOLCANO ROCK INC's safety record?
VOLCANO ROCK INC has a 0.0% vehicle out-of-service rate (national average 22.26%) across 1 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 50/100 (tier: unknown).
How big is VOLCANO ROCK INC's fleet?
VOLCANO ROCK INC operates 1 power unit and 2 drivers per its most recent MCS-150 filing.
Where is VOLCANO ROCK INC based?
VOLCANO ROCK INC is based in MCARTHUR, CA, with roadside inspections recorded across 1 state.