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Private company

Wisconsin Public Service Corporation

Logo: Radar781, CC0, via Wikimedia Commons4

American energy company

Wisconsin Public Service Corporation, commonly known as WPS, is a utility company headquartered in Green Bay, Wisconsin. The company serves more than 450,000 electric customers and more than 333,000 natural gas customers in 27 counties in eastern, northeastern northern, and central Wisconsin, and a small portion of Michigan's Upper Peninsula.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

  • HeadquartersGreen Bay1
  • Websitewww.wisconsinpublicservice.com
  • Legal formBusiness Corporation3
  • LEI549300BJRHJVYNUMQZ303
  • StatusActive3
  • LEI statusLapsed (not renewed)3
  • Registered addressC/O CORPORATE CREATIONS NETWORK INC., 54914-9106 Appleton, United States3
  • Registered withCorporation Section (Division of Corporate & Consumer Services, Department of Financial Institutions), 1W033503

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Wisconsin Public Service Corporation, commonly known as WPS, is a utility company headquartered in Green Bay, Wisconsin. The company serves more than 450,000 electric customers and more than 333,000 natural gas customers in 27 counties in eastern, northeastern northern, and central Wisconsin, and a small portion of Michigan's Upper Peninsula.2

Corporate structure

Wisconsin Public Service Corporation is part of a group headed by WEC Energy Group. 48 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

  • WEC Energy Group Madison, Wisconsin, United States
    • INTEGRYS HOLDING, INC. Milwaukee, Wisconsin, United States
      • Wisconsin Public Service Corporation Milwaukee, Wisconsin, United States
      • MICHIGAN GAS UTILITIES CORPORATION Subsidiary · Wilmington, Delaware, United States
      • MINNESOTA ENERGY RESOURCES CORPORATION Subsidiary · Wilmington, Delaware, United States
      • NORTH SHORE GAS COMPANY Subsidiary · Milwaukee, Wisconsin, United States
      • THE PEOPLES GAS LIGHT AND COKE COMPANY Subsidiary · Milwaukee, Wisconsin, United States
    • We Energies Milwaukee, Wisconsin, United States
    • American Transmission Company LLC Subsidiary · Wisconsin, United States
    • ATC Development Manager, Inc. Subsidiary · Delaware, United States
    • ATC Holdco LLC Subsidiary · Delaware, United States
    • ATC Holding LLC Subsidiary · Wisconsin, United States
    • ATC Management Inc. Subsidiary · Wisconsin, United States
    • BGS Kimball Gas Storage, LLC Subsidiary · Delaware, United States
    • Bishop Hill Energy III Holdings LLC Subsidiary · Delaware, United States
    • Blooming Grove Wind Energy Center Holdings LLC Subsidiary · Delaware, United States
    • Bluewater Gas Storage, LLC Subsidiary · Delaware, United States
    • Bluewater Natural Gas Holding, LLC Subsidiary · Delaware, United States
    • Coyote Ridge Wind, LLC Subsidiary · Oregon, United States
    • Delilah Solar Holdings LLC Subsidiary · Delaware, United States
    • Elm Road Generating Station Supercritical, LLC Subsidiary · Wisconsin, United States
    • Elm Road Services, LLC Subsidiary · Wisconsin, United States
    • HSE3 Holdings LLC Subsidiary · Delaware, United States
    • Jayhawk Wind, LLC Subsidiary · Delaware, United States
    • Maple Flats Holding LLC Subsidiary · Delaware, United States
    • Michigan Gas Utilities Corporation Subsidiary · Delaware, United States
    • Minnesota Energy Resources Corporation Subsidiary · Delaware, United States
    • North Shore Gas Company Subsidiary · Illinois, United States
    • Peoples Energy, LLC Subsidiary · Delaware, United States
    • Port Washington Generating Station, LLC Subsidiary · Wisconsin, United States
    • Samson OpCo Holdings LLC Subsidiary · Delaware, United States
    • and 17 more

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company (GLEIF)

Ultimate parent

Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Timeline

  1. Nov 13, 2018Parent Directly consolidated by INTEGRYS HOLDING, INC.3
  2. Jul 27, 1883Founded Wisconsin Public Service Corporation is founded3

Sources

The numbers on this page point here. Each one links to the record it came from.

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