The former Integrys Energy Group and its operating companies were recently acquired and now do business as WEC Energy Group. Suppliers and individuals seeking employment may use the links below to find information about working with Michigan Gas Utilities, Minnesota Energy Resources, North Shore Gas, Peoples Gas, Wisconsin Public Service and Trillium CNG.

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By Phone

  • Media Hotline:


Please see information for supplier representatives on this website.

By Mail

  • General Inquiries:
    Integrys Energy Group, Inc.
    200 East Randolph Street
    Chicago, IL 60601

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