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Carrier profile · USDOT 430235 · Updated 06/13/2026

PLUMBERS SUPPLY COMPANY

DBA PSC DISTRIBUTION

8 power unitsavg 3.3 yrLocal · 1 statesIOWA CITY, IA

CARRIER ACTIVE

Observed fleet · trailing 24 mo daily

8Power units

3 observed · MCS-150

—Trailers seen

None observed · 24 mo

3.3Avg age (yr)

2021–2024 · vPIC

Call dispatch(319) 338-3601 Email dispatchtom@pscia.com

Click to see how we scored it

Load decision · FMCSA snapshot · 2026-06-13

Clear to load

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

Established 36 yearsVehicle out-of-service rate well above average

Watch · 1

Vehicle out-of-service rate well above average40.0% of vehicle inspections were placed out of service vs the 22.3% national average.

In good standing · 1

Established 36 yearsOperating authority has been on file since 1990.

Operating authority

yr active

since 1990

Insurance (BIPD)Unknown

FMCSA L&I

Vehicle OOS · 24mo

40.0

▲ 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

8 power units. Brokers price each fleet type apart.

Fleet age vs peersNewer

3.3 yr

Model years 2021–2024 · peer benchmark computing.

Identity stabilityStable

35 yr unchanged

Same registration since 1990 — no chameleon / reincarnation signal.

AI readLocal operator, 35-yr authority, 40% vehicle OOS — clear to load.Full read

Is PLUMBERS SUPPLY COMPANY safe to load? PLUMBERS SUPPLY COMPANY (USDOT 430235) is an active small-fleet motor carrier based in IOWA CITY, IA, operating 8 power units and 10 drivers. Operating authority has been active 35 years (past the 24-month broker-confidence threshold). Across 11 roadside inspections, its vehicle out-of-service rate over the last 24 months is 40.0% (above the 22.26% national average), with 0 reportable crashes in the last 24 months. FMCSA has not assigned a safety rating. Vektor rates it clear to load (86/100), with the leading concern: vehicle out-of-service rate well above average. Source: FMCSA SAFER/MCMIS, last updated 2026-06-13.

FMCSA fields + Vektor analysis · updated 2026-06-13

PSPLUMBERS SUPPLY COMPANY 86

Safety

11 inspections · 24 mo · vs national benchmarks

Out-of-service rate· trailing 24 months vs national benchmark

Vehicle OOS 40.0% (24-mo)5 veh insp · 24-mo · nat'l 22.26%

050%nat'l 22.26%

Driver OOS 0.0% (24-mo)7 drv insp · 24-mo · nat'l 6.67%

030%nat'l 6.67%

OOS trajectory· trailing 6-mo vehicle-OOS rate vs national

28.6% now▼ Improving

Trailing rate down 13.1 pts across the window — latest above the 22.26% national benchmark.

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 8-unit fleet — enough signal to read the safety record, though not a heavy sample.

Registered power units: 8
Inspections · 24 mo: 7
Annualized: ≈4 / 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
393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance4
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance2 · 2 OOS
393.9 Inoperative required lampsVehicle Maintenance2
392.8 Driving of commercial motor vehiclesUnsafe Driving2
396.9 Inspection of motor vehicles in operationVehicle Maintenance2
393.53 Automatic brake adjusters / indicatorsVehicle Maintenance1
392.7 Driving of commercial motor vehiclesUnsafe Driving1
392.82 Using a hand-held mobile phoneUnsafe Driving1
393.47 Brake actuators / linings / componentsVehicle Maintenance1

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.

Explore full authority & insurance record

Equipment & fleet

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 8
Observed power (24 mo): 3
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

3.3 yr

Average age

2024

Newest model yr

2021

Oldest model yr

33%

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

IA busiest

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

Home base

IOWA CITY, IA

72 COMMERCIAL DRIVE

Top corridor

IA 7

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 (1 truck · 2 carriers)

Across all inspections on record: USDOT 1381636 USDOT 3460473

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 & contact

FMCSA census + L&I dossier

Location

Physical address: 72 COMMERCIAL DRIVE, IOWA CITY, IA, 52246-5723
Mailing address: P O BOX 1270, IOWA CITY, IA, 52244-1270
Operation: Intrastate (Non-Hazmat)

Contact

Phone: (319) 338-3601
Fax: (319) 337-7937
Email: tom@pscia.com
Web domain: pscia.com

Registration

Officers: Thomas Balmer · Jennie Wunderlich
USDOT / docket: 430235
First registered: 12/05/1990
Last MCS-150: 03/19/2025 · 85,000 mi (2024)
FMCSA safety rating: Not rated
D-U-N-S: 7858152

Fleet (self-reported · MCS-150)

Power units

Drivers

—CDL drivers

85,000

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

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Frequently asked

What is PLUMBERS SUPPLY COMPANY's USDOT number?

PLUMBERS SUPPLY COMPANY's USDOT number is 430235.

Is PLUMBERS SUPPLY COMPANY authorized to operate?

As of 2026-06-13, PLUMBERS SUPPLY COMPANY is active in the FMCSA register.

What is PLUMBERS SUPPLY COMPANY's safety record?

PLUMBERS SUPPLY COMPANY has a 40.0% vehicle out-of-service rate (national average 22.26%) across 11 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 86/100 (tier: clear).

How big is PLUMBERS SUPPLY COMPANY's fleet?

PLUMBERS SUPPLY COMPANY operates 8 power units and 10 drivers per its most recent MCS-150 filing.

Where is PLUMBERS SUPPLY COMPANY based?

PLUMBERS SUPPLY COMPANY is based in IOWA CITY, IA, with roadside inspections recorded across 1 state.

Contact & documents

Call dispatch3193383601 Email dispatchtom@pscia.comCarrier packetDownload / print · free

USDOT: 430235
Officer: THOMAS BALMER
Address: 72 COMMERCIAL DRIVE
IOWA CITY, IA, 52246-5723

At a glance

Vehicle OOS 40%

vs 22.26% national — above benchmark.

No crashes in 24 months

Clean recent crash record.

Leave a reviewVerified · moderated

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Frequently asked

What is PLUMBERS SUPPLY COMPANY's USDOT number?

Is PLUMBERS SUPPLY COMPANY authorized to operate?

What is PLUMBERS SUPPLY COMPANY's safety record?

How big is PLUMBERS SUPPLY COMPANY's fleet?

Where is PLUMBERS SUPPLY COMPANY based?

Safety

Authority & insurance

Equipment & fleet

Operations & lanes

Network & fraud

Identity & contact

Federal activity

Reviews