HIRSCHBACH
UnclaimedHIRSCHBACH is a USDOT-registered interstate carrier, 2948 power units, 2556 drivers operation based in Dubuque, IA.
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Live public profile, unclaimed
PORTZEN CONSTRUCTION INC
Interstate carrier in Dubuque, Iowa
- General Freight
- Machinery, Large Objects
- Passengers
- Construction
- Building Materials
Awaiting owner claim
Claim this businessAbout PORTZEN CONSTRUCTION INC
Portzen Construction Inc, USDOT 459139, is based in Dubuque, Iowa, and operates as an interstate carrier. The record lists 75 power units. Cargo includes machinery, large objects, construction materials, and dirt. The carrier does not handle hazardous materials and was registered in 1991.
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Company overview
Awaiting owner confirmation- USDOT number
- 459139
- Operating authority
- MC307464
- Operation type
- Interstate
- Carrier classification
- PRIVATE PROPERTY;AUTHORIZED FOR HIRE
- Power units
- 75
- Trucks / tractors
- 75
- Drivers
- 120
- CDL drivers
- 30
- Hazmat
- No
- Annual mileage reported
- 1,760,000 (2024)
- USDOT registered since
- 1991
- Safety rating
- Not Rated
Built from public registration records.
Public record
Quick record snapshot
MCS-150No filing date
Safety ratingNone listed
AuthorityMC307464
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Compliance checklist
For owner reviewThese items are inferred from the public registration profile. Use them as a review checklist, then confirm live status with official FMCSA systems.
USDOT registration and MCS-150 biennial update
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Driver qualification files
DQ file services
Drug & Alcohol testing and FMCSA Clearinghouse
Clearinghouse services
Hours of service and ELD
ELD & HOS support
Vehicle maintenance files and annual inspections
Fleet safety and maintenance
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Safety and inspection record
Summary of this carrier's public FMCSA roadside inspection and crash record.
20
Roadside inspections, 3 years
0
Crash records on file
Not known
Insurance filings on file
6 Oct 2026
Most recent inspection
Source: FMCSA public records, updated daily. Detailed inspection, crash and insurance records are available with broker access.
Cargo and services
General Freight; Machinery, Large Objects; Passengers; Construction; Building Materials
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