Calpine

Calpine is one of the most successful companies in the Energy sector. As of the year 2018, it generated revenues of $8,752 million (30.30% year-over-year change). Reported profit was of ($339.00) million. The current CEO John B. Hill III (President, Chief Executive Officer & Director) currently manages more than 2,290 employees. The company's headquarters is located in Houston, TX. Yes, Calpine is a Fortune 1000 company. Its current rank is top 336 US company. It has been on the list for 17 years.