BBB Accredited Business Profile

Constellation Energy Services, Inc.

Constellation Energy Services, Inc.

(312) 681-1866

Constellation Energy Services, Inc.

23 years in business
20 N. Wacker Drive
Suite 2100
Chicago, IL 60606-3002
Fax Numbers
  • (312) 681-1996
  • (920) 272-4170
Additional Email Addresses
  • commissioncomplaints@integrysenergy.com
  • valuesupportteam@integrysenergy.com
  • chicago@integrysenergy.com
  • MRSolana@IntegrysEnergy.com
  • gobannon@integrysenergy.com
  • vst@integrysenergyservices.com
BBB File Opened: 07/21/1994
Business Started: 07/21/1994
Business Started Locally: 07/21/1994
Business Incorporated: 04/24/1998 in WI
Type of Entity
Corporation
Business Management
  • Ms. Glenda O'Bannon, Call Center Operations Coordinator
Contact Information
  • Customer Service: Ms. Carrie Cramer, Manager
Business Category
  • Natural Gas Companies
  • NAICS: Natural Gas Distribution
  • Electric Companies

Additional Information
  • Related Companies- Peoples Energy Corporation is the parent for this wholly owned subsidiary. Peoples Gas is also a wholly owned subsidiary of Peoples Energy Corporation and is a utility company which supplies gas. Peoples Energy Services, Peoples En...
  • Related Companies- Peoples Energy Corporation is the parent for this wholly owned subsidiary. Peoples Gas is also a wholly owned subsidiary of Peoples Energy Corporation and is a utility company which supplies gas. Peoples Energy Services, Peoples Energy, and Peoples Gas are each separate companies.

Service Area
We service the following area(s): City of Chicago - Downtown
Alternate Business Names
  • Integrys Energy Services, Inc.
  • Integrys Energy Services

Constellation Energy Services, Inc.

Constellation Energy Services, Inc.

BBB ACCREDITATION SINCE 07/01/2011