Polzer Bros INC

USDOT 48310 · MC305410 · Durand, WI
USDOT ActiveCommon authorityHazmatSafety: Satisfactory
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Company snapshot
Legal name
Polzer Bros INC
USDOT number
48310
MC docket
MC305410
Physical address
W6829 US Hwy 10, Durand, WI, 54736
Power units
9
Drivers
4
Operation
Interstate
Operating radius
Interstate 100+ mi
Cargo
General Freight, Motor Vehicles, Driveaway/Towaway, Other
Operation class
Authorized For-Hire
Last MCS-150 filing
Aug 20, 2025
Operating authority (as of 5/2026)
Common authority
Active
Broker authority
Not held
Authority granted
Jun 1, 1974
MCSIP step
0
Insurance on file
Insurer (writing paper)
Western National Mutual Insurance CO.
Filing form
BMC-91X
Coverage amount
$1,000,000
BI/PD on file
$1,000,000
Estimated renewal window
Q2 2027

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Safety record
FMCSA safety rating
Satisfactory
Roadside inspections (24 mo)
5
Out-of-service inspections
0
Inspections with violations
5
BASICs with acute/critical violations
0
SMS population
Interstate
Common questions

Is Polzer Bros INC insured?

Yes. Polzer Bros INC (USDOT 48310) has active BI/PD liability insurance on file with FMCSA, currently written by Western National Mutual Insurance CO., with $1,000,000 in coverage on the filing.

What insurance company does Polzer Bros INC use?

Polzer Bros INC's current BI/PD filing is written by Western National Mutual Insurance CO.. Insurer changes show up in the daily-refreshed federal filing record.

What is Polzer Bros INC's MC number?

Polzer Bros INC's FMCSA docket is MC305410, paired with USDOT 48310.

Is Polzer Bros INC safe to work with?

Polzer Bros INC's FMCSA safety rating is Satisfactory, with 5 roadside inspections in the last 24 months, 0 of the five public BASICs carrying an acute or critical violation from an FMCSA investigation. The full inspection-level record is on this page.

When does Polzer Bros INC's insurance renew?

Based on its filing history, Polzer Bros INC's BI/PD policy is estimated to renew in Q2 2027. The exact estimated X-date, with alerts when it changes, is in Market Tracker. Unlock USDOT 48310’s exact X-date →

How many trucks does Polzer Bros INC operate?

Polzer Bros INC reports 9 power units and 4 drivers in its latest MCS-150 census filing.

Source: FMCSA census, Licensing & Insurance (L&I) and SMS publications, mirrored and refreshed daily. Record last synced Sep 15, 2026. Native Base is not affiliated with FMCSA; always confirm against the live federal record before binding.

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