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Contact Us
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For 24-hour EMERGENCY service (e.g., gas leak, nearly out or out of gas), please contact us at 1-800-236-3276.
For non-emergency energy inquiries, please email energyinfo@landmark.coop. Fax employment verifications to 608-492-0421.

 

Contact Us
Email: info@landmark.coop
Phone: 608-251-9010 or 800-236-3276
Fax: 608-839-5144
HQ Address: 1401 Landmark Drive, Cottage Grove, WI 53527
8:00am – 4:30pm Mon-Fri