Carrier profile · USDOT 447632 · Updated Jun 13, 2026

KAMCO BUILDING SUPPLY CORP

36 power unitsavg 6.2 yrRegional · 6 statesCHESTER, PA81/100

AUTHORITY STATUS UNKNOWN

Observed fleet · trailing 24 mo daily

36Power units

27 observed · MCS-150

—Trailers seen

None observed · 24 mo

6.2Avg age (yr)

2001–2025 · vPIC

Call dispatch(610) 364-1086 Email dispatchdbonowski@kamcosupply.com

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Load decision · FMCSA snapshot · Jun 13, 2026

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Operating, but with flags a broker should weigh before tendering freight.

Established 35 yearsVehicle out-of-service rate above average

Watch · 2

Vehicle out-of-service rate above average23.8% vs the 22.26% national average.Fatal crash on record1 crash(es) involving a fatality are on this carrier's record.

In good standing · 1

Established 35 yearsOperating authority has been on file since 1991.

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo23.8%

▲ 22.26% nat'l

Crashes · fatal

5 in 24 mo

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo23.8%

▲ 22.26% nat'l

Crashes · fatal

5 in 24 mo

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

Fleet typeIdentity

Asset-based

36 power units. Brokers price each fleet type apart.

Fleet age vs peersTypical

6.2 yr

Model years 2001–2025 · peer benchmark unavailable.

Identity stabilityStable

35 yr unchanged

Same registration since 1991 — no chameleon / reincarnation signal.

Safety

49 inspections · 24 mo · vs national benchmarks

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

Vehicle OOS 23.8%24-mo cumulative

050%nat'l 22.26%

Driver OOS 6.1%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 21 vehicle and 49 driver inspections over 24 months.

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

30.0% · latest 6-mo window▲ Rising

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending up 22.4 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

49 inspections in the charted months · busiest month Dec '25 · 6

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

≈0.7 / unit·yr

thin signalabundant signal

Roadside-inspection volume is about what you'd expect for a 36-unit fleet — enough signal to read the safety record, though not a heavy sample.

Registered power units: 36
Inspections · 24 mo: 49
Annualized: ≈25 / yr
Coverage: ≈0.7 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 Driving18 · 0 OOS
393.9 Inoperative required lampsVehicle Maintenance7 · 0 OOS
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance6 · 6 OOS
393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance5 · 0 OOS
391.41 No / expired medical certificateDriver Fitness3 · 2 OOS
393.60 Windshield / glazingVehicle Maintenance2 · 0 OOS
396.3 Inspection / repair / maintenance not performedVehicle Maintenance2 · 2 OOS
393.47 Brake actuators / linings / componentsVehicle Maintenance2 · 0 OOS
393.201 Parts & accessories (vehicle condition)Vehicle Maintenance1 · 0 OOS
393.53 Automatic brake adjusters / indicatorsVehicle 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 & fleet

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 36
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

6.2 yr

Average age

2025

Newest model yr

2001

Oldest model yr

33.3%

VINs decoded

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

Operations & lanes

Revealed by inspection density across 6 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusRegional

revealed

States observed

US states

Inspections · 24 mo

PA busiest

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

Home base

CHESTER, PA

1100 TOWNSHIP LINE ROAD

Top corridor

PA 13 · DC 10 · MD 9

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-identity links detected — no reincarnation flag, shared trucks, registration domain, or officer overlap with other carriers.

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Registered and roadside-observed capacity are broadly consistent.

Explore the carrier network & VIN cross-links

Identity & contact

FMCSA census + L&I dossier

Location

Physical address: 1100 TOWNSHIP LINE ROAD, CHESTER, PA, 19013
Operation: Interstate

Contact

Phone: (610) 364-1086
Cell: (610) 872-5000
Fax: (610) 364-0922
Email: dbonowski@kamcosupply.com
Web domain: kamcosupply.com

Registration

Officers: Richard Stief · Charles F Dougherty
USDOT / docket: 447632
First registered: Jun 4, 1991
Last MCS-150: Mar 11, 2025 · 955,373 mi (2024)
FMCSA safety rating: Not rated
D-U-N-S: 151389954

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

955,373

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 KAMCO BUILDING SUPPLY CORP.

KAMCO BUILDING SUPPLY CORP (USDOT 447632) has a Vektor safety score of 81/100 and a Review before loading 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 23.8% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Jun 13, 2026.

The carrier received 49 roadside inspections in the last 24 months — 21 vehicle-level and 49 driver-level — across 6 states, according to FMCSA roadside-inspection data refreshed Jun 13, 2026.

The carrier has 5 reportable crashes in the last 24 months and 1 fatal crash across the full FMCSA crash record available as of Jun 13, 2026.

It reports 36 power units and 36 drivers in its most recent MCS-150 filing dated Mar 11, 2025.

It has no FMCSA-assigned safety rating in the federal record refreshed Jun 13, 2026.

Frequently asked

What is KAMCO BUILDING SUPPLY CORP's USDOT number?

KAMCO BUILDING SUPPLY CORP's USDOT number is 447632.

Is KAMCO BUILDING SUPPLY CORP authorized to operate?

As of Jun 13, 2026, KAMCO BUILDING SUPPLY CORP is active in the FMCSA register.

What is KAMCO BUILDING SUPPLY CORP's safety record?

KAMCO BUILDING SUPPLY CORP has a 23.8% vehicle out-of-service rate (national average 22.26%) across 73 roadside inspections, with 5 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 81/100 (tier: review).