Licensed contractors in Winthrop Harbor, Illinois
Contractors with an active Illinois license and a business address in Winthrop Harbor (Lake County). Each listing shows what the state has on file.
3active licenses
n/ainsurance not published by this state
10total records
- Arnst Construction
Active Insurance not published by state
- Bnw Contractors INC
Active Insurance not published by state
- Jlh Roofing
Active Insurance not published by state
Last checked against state records on Oct 4, 2026. Contains information from the Illinois Department of Financial and Professional Regulation (IDFPR) Professional Licensing dataset, made available under the Open Database License (ODbL) v1.0: https://opendatacommons.org/licenses/odbl/1-0/. How we get this data.