4j Supply Co INC

REGISTERED

All Other Specialty Trade Contractors · New Vienna, IA

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4j Supply Co INC is currently registered as a construction contractor with the State of Iowa under registration number C148394, first issued 2026-08-19 and current through 2027-10-02. Iowa registration confirms compliance with state labor law — it is not a license, and the State does not assess skill.

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State registration

Registration number: C148394
Status: Registered
Issued / last renewed: 2026-08-19
Expires: 2027-10-02
Primary trade: All Other Specialty Trade Contractors
County: Dubuque County
Owner of record: Joseph Lehman
Issuing authority: DIAL

Sourced from the Active Iowa Construction Contractor Registrations (Iowa Code ch. 91C), last updated 2026-09-14. Verify this registration with the State of Iowa. How to check a registration yourself.

What 4j Supply Co INC is registered to do

The State classifies 4j Supply Co INC as all other specialty trade contractors. That classification comes from the registration itself, not from us — it describes the work the business registered to perform, and it is not an assessment of skill or a limit on what they may quote for.

Since this year

on the State's register (since 2026) — not a measure of experience

1,787

registered all other specialty trade contractors in Iowa, this business among them

All 1,787 registered all other specialty trade contractors in Iowa →Contractors in Dubuque County →

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Registered in New Vienna, Iowa — Dubuque County. The marker shows the city, not a street address.

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