CMS Energy headquarters details
- Street address
- One Energy Plaza
- City
- Jackson
- State / region
- Michigan
- ZIP / postal code
- 49201
- Country
- United States
- Phone
- +1 517 788 0550
- Founded
- 1886
- Stock
- NYSE: CMS
- linkedin.com/company/cm-energy
Location map
Open in Google MapsAll CMS Energy office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Jackson HQ | Michigan | United States | Headquarters |
Showing the headquarters of 33 recorded locations. See every location in GraphIQ →
About CMS Energy
CMS Energy (NYSE: CMS) is headquartered in Jackson, Michigan, United States. Founded in 1886, the company has 33 recorded locations across 4+ countries and employs approximately 9,500 people worldwide.
Where is CMS Energy's main office?
CMS Energy's main headquarters office is located at One Energy Plaza, Jackson, Michigan 49201, United States. This is the company's primary corporate address.
CMS Energy regional offices
Beyond its headquarters in Jackson, CMS Energy has recorded locations in United States, China, Thailand and United Kingdom.
CMS Energy contact information
The main switchboard for CMS Energy headquarters can be reached at +1 517 788 0550. Official website: cmsenergy.com/home/default.aspx.
What does CMS Energy do?
CMS Energy Corporation is an energy company. The Company, through its subsidiaries, provides electricity and natural gas to its customers. CMS Energy also invests in and operates non-utility power generation plants in the United States and abroad.
CMS Energy competitors & similar companies
Frequently asked questions
Where is CMS Energy headquarters?
CMS Energy's headquarters is located at One Energy Plaza, Jackson, Michigan 49201, United States.
How many offices does CMS Energy have?
GraphIQ records 33 locations for CMS Energy across 4+ countries, as of October 2026.
What is CMS Energy's corporate address?
The corporate headquarters address is One Energy Plaza, Jackson, Michigan 49201, United States.
When was CMS Energy founded?
CMS Energy was founded in 1886 and employs approximately 9,500 people.
What is CMS Energy's phone number?
The main phone number for CMS Energy headquarters is +1 517 788 0550.
How many employees does CMS Energy have?
CMS Energy has approximately 9,500 employees (GraphIQ estimate, 2026).
Is CMS Energy a public company?
Yes. CMS Energy is publicly traded on NYSE under the ticker CMS.