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CMS ENERGY CORP

Electric & Other Services Combined

SEC reporting entityCIK 0000811156CMSCMSACMSCCMSDCMS-PC

Source: SEC EDGAR submissions · Retrieved Sep 19, 2026 · Report a correction or privacy concern

Company identity

Legal name
CMS ENERGY CORP
Incorporation jurisdiction
Michigan
Business address locality
JACKSON, MI
Industry classification
4931 — Electric & Other Services Combined
Exchange(s)
NYSE, NYSE, NYSE, NYSE, NYSE
State registration status
Not verified from the state registry

Published identifiers

SEC Central Index Key (CIK)
0000811156
Federal EIN, as reported to the SEC
38-2726431
State registration number
Not collected — consult the official registry
Legal Entity Identifier (LEI)
Not collected

An EIN displayed here is not an IRS validation. Learn what each identifier means.

Recent public filings

Financial statements may be included in these filings. This profile does not calculate revenue, profit or a credit score.