Carrier profile · USDOT 48310 · MC-305410 · Updated Aug 20, 2026

Polzer Bros Inc

9 power unitsavg 8.8 yrRegional · 4 statesDURAND, WI100/100

CARRIER ACTIVEMC-305410 ACTIVERATED SATISFACTORYHAZMAT

Observed fleet · trailing 24 mo daily

9Power units

4 observed · MCS-150

—Trailers seen

None observed · 24 mo

8.8Avg age (yr)

2009–2024 · vPIC

Call dispatch(715) 672-5933 Email dispatchpolzkarl@hotmail.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 · 0

Nothing flagged.

In good standing · 4

Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 52 yearsOperating authority has been on file since 1974.No reported crashesNo DOT-reportable crashes are on this carrier's record.

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$1M in force

FMCSA L&I

Vehicle OOS · 24-mo0.0%

Crashes · fatal

Clean · 24 mo

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$1M in force

FMCSA L&I

Vehicle OOS · 24-mo0.0%

Crashes · fatal

Clean · 24 mo

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

Fleet typeIdentity

Small fleet

9 power units. Brokers price each fleet type apart.

Fleet age vs peersTypical

8.8 yr

Model years 2009–2024 · peer benchmark unavailable.

Identity stabilityStable

52 yr unchanged

Same registration since 1974 — no chameleon / reincarnation signal.

Safety

5 inspections · 24 mo

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

Vehicle OOS 0.0%24-mo cumulative

050%

Driver OOS 0.0%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 1 vehicle and 5 driver inspections over 24 months.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

4 inspections in the charted months · busiest month Aug '26 · 2

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.

Thin coverage

Under-inspected

Expected

Well-monitored

Heavily inspected

≈0.3 / unit·yr

thin signalabundant signal

Few roadside inspections for a 9-unit fleet — the out-of-service and violation signals above rest on a small sample, so weight them cautiously. Thin coverage on a young authority is itself a flag.

Registered power units: 9
Inspections · 24 mo: 5
Annualized: ≈3 / yr
Coverage: ≈0.3 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 Driving3 · 0 OOS
395.8 Record of duty status (log / ELD) not current or missingHOS Compliance2 · 0 OOS

Explore full safety record — inspections, BASICs, crashes

Authority & Insurance

Can they legally + adequately haul your load?

Operating authority· 49 CFR · per type

Operating authority

Common: Active
Contract: None
Broker: None

Insurance & bonds

BIPD / liability$1,000,000 in force

Cargo filing (census)Not recorded per census

Surety bond (census)Not recorded per census

Insurance adequacy· filed BIPD vs the $750K federal floor

$1M in forcegeneral-freight federal minimum

$750K floor

Filed BIPD coverage of $1M meets or exceeds the $750K federal minimum for general freight (49 CFR 387.9). Some commodities (hazmat, larger vehicles) require $1M–$5M — confirm against your load.

Insurance continuity· insurer · policy · lapses

$750K BIPD last filed ’21 · 1 insurer · 0 lapsesContinuous

Employers’96–’21

beyond this history

1996200420122020now

BIPD in force — $1,000,000 · WESTERN NATIONAL MUTUAL INSURANCE CO. · since Jun 2021

All 1 insurer era · dates, limits, renewals

Insurer	Period	Limit	Renewals
EMPLOYERS MUTUAL CASUALTY CO.	Jul 1996 → Jun 2021	$750K	4

Explore full authority & insurance record

Equipment

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 9
Observed power (24 mo): 4
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

8.8 yr

Average age

2024

Newest model yr

2009

Oldest model yr

25.0%

VINs decoded

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

Operations & Lanes

Revealed by inspection density across 4 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusRegional

revealed

States observed

US states

Inspections · 24 mo

WI busiest

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

Home base

DURAND, WI

W6829 US HWY 10

Top corridor

WI 2 · MO 1 · SD 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

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 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: W6829 US HWY 10, DURAND, WI, 54736
Mailing address: PO BOX 99, DURAND, WI, 54736
Operation: Interstate· Hazmat

Contact

Phone: (715) 672-5933
Fax: (715) 672-8761
Email: polzkarl@hotmail.com

Registration

Officer: Karl Polzer
USDOT / docket: 48310 · MC-305410
First registered: Jun 1, 1974
Last MCS-150: Aug 20, 2025 · 30,000 mi (2025)
FMCSA safety rating: Satisfactory · Sep 5, 2002
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

30,000

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

Be the first broker or shipper to rate POLZER BROS INC. Reviews cover performance only — on-time delivery, payment speed, communication — and never affect the Vektor risk score.

Leave a review

Open reviews

Verification summaryAuthority, insurance, safety and identity facts for POLZER BROS INC.

POLZER BROS INC (USDOT 48310) has a Vektor safety score of 100/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed Aug 20, 2026.

The carrier holds active common for-hire operating authority per FMCSA L&I as of Aug 20, 2026.

It has an active BIPD insurance filing with a $1,000,000 limit in force from WESTERN NATIONAL MUTUAL INSURANCE CO. effective Jun 1, 2021 in FMCSA L&I's current snapshot 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 5 roadside inspections in the last 24 months — 1 vehicle-level and 5 driver-level — across 4 states, 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 9 power units and 4 drivers in its most recent MCS-150 filing dated Aug 20, 2025.

It has an FMCSA safety rating of Satisfactory assigned Sep 5, 2002 in the federal record refreshed Aug 20, 2026.

Frequently asked

What is POLZER BROS INC's USDOT number?

POLZER BROS INC's USDOT number is 48310, and its motor carrier number is MC-305410.

Is POLZER BROS INC authorized to operate?

As of Aug 20, 2026, POLZER BROS INC is active in the FMCSA register with common, contract, broker operating authority on file.

What is POLZER BROS INC's safety record?

POLZER BROS INC has a 0.0% vehicle out-of-service rate (national average 22.26%) across 5 roadside inspections, with 0 reportable crashes in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor's computed risk score is 100/100 (tier: clear).

How big is POLZER BROS INC's fleet?

POLZER BROS INC operates 9 power units and 4 drivers per its most recent MCS-150 filing.

Where is POLZER BROS INC based?

POLZER BROS INC is based in DURAND, WI, with roadside inspections recorded across 4 states.

Similar carriers near Durand, WI

Comparable carriers around Durand and across Wisconsin

Chicago Xpress Inc Clear · 94Durand, WI · 9 power units

Eau Galle Enterprise LLC Clear · 100Durand, WI · 9 power units

Bauer Built Transport Inc Clear · 100Durand, WI · 19 power units

J & L Haines Trucking Company Clear · 100Athens, WI · 8 power units

R F Trucking of Dane County LLC Clear · 100Arlington, WI · 8 power units

Delander Trucking Inc Clear · 100Roberts, WI · 8 power units

Pickard Trucking Inc Clear · 100Amery, WI · 8 power units

Vern's Cheese Transport LLC Clear · 100Chilton, WI · 8 power units

More in Wisconsin →Top safety in Wisconsin →Veteran carriers in Wisconsin →

More Wisconsin carriers

Other FMCSA-registered carriers near this one in the directory, by USDOT number.

Wiese Trucking LLCClearLomira · 32 power units Volm Trucking LLCClearAntigo · 34 power units The Vollrath Company LLCSheboygan · 3 power units Platt's Garage IncWisconsin Dells · 6 power units Bakers Supply Co IncClearGreenville · 33 power units J W Perry IncMerrill · 15 power units