Headquarters
SEMCO ENERGY, Inc.
P.O. Box 5004
Port Huron, MI 48060
Telephone Number: 866-473-6261
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Home page: www.semcoenergy.com
SEMCO ENERGY Gas Company
Customer Service
Customer Service Representatives are available to take your call from 7:30 a.m. - 6:00 p.m. Monday through Friday.
Telephone Number: 1-800-624-2019
For Stock Transfer and Shareholder Services: |
National City Bank
Corporate Trust Operations
Locator 5352
P.O. Box 92301
Cleveland, OH 44193-0900
Telephone Number: 800-622-6757
Fax Number: 216-257-8508
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Online Access: www.ncstockaccess.com
For Courier deliveries:
National City Bank
Corporate Trust Operations
Locator 5352
3rd Floor - North Annex
4100 West 150th Street
Cleveland, OH 44135-1385
Unethical Activity Reporting (The Network)
If you have a concern regarding unethical activity in the workplace and are
uncomfortable contacting the appropriate supervisory personnel, please contact
The network, an independent organization operating 24 hours a day, 7 days a
week. You may remain anonymous.
Telephone Number: 1-877-888-0002
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