Compare Ameren Services versus CMS Energy Corporation for CEO Rating, Overall Culture Score, Brand Ranking, and other ratings.
Results were generated by 24 employees and customers of Ameren Services.

Ameren Services
Ameren Services's brand is ranked #- in the list of Global Top 1000 Brands, as rated by customers of Ameren Services. Their current valuation is $16.86B.

CMS Energy Corporation
CMS Energy Corporation's brand is ranked #- in the list of Global Top 1000 Brands, as rated by customers of CMS Energy Corporation. Their current market cap is $17.70B.
| 41% | Promoters |
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| 24% | Passive |
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| 35% | Detractors |
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Net Promoter Score
Winner by 6
| 0% | Promoters |
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| 0% | Passive |
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| 0% | Detractors |
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