CMS Energy is one of the most successful companies in the Energy sector. As of the year 2018, it generated revenues of $6,583 million (2.90% year-over-year change). Reported profit was of $460.00 million. The current CEO Patricia K. Poppe (President, Chief Executive Officer & Director) currently manages more than 7,887 employees. The company's headquarters is located in Jackson, MI. Yes, CMS Energy is a Fortune 1000 company. Its current rank is top 429 US company. It has been on the list for 24 years.