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CMS Energy is a Michigan-based company that has an electric and natural gas utility, Consumers Energy, as its primary business and also owns and operates independent power generation businesses.
Antrim Energy Inc. is a Calgary, AB-based company in the Energy & Utilities sector.
Alcad is a North Haven, CT-based company in the Energy and Utilities sector.
Arion Corporation is a Delano, MN-based company in the Energy and Utilities sector.
Sefton Resources, Inc., a British Virgin Island corporation, is in the principal business of oil and gas production through wholly owned subsidiaries TEG Midcontinent and TEG Transmission. Administrative offices are in London, UK. The company trades only on the London Stock Exchange AIM Market. The trading symbol is SER. The initial public offering occurred on December 8, 2000.