Chesapeake Energy

Chesapeake Energy is an American oil and gas company headquartered in Oklahoma City. It is the second largest natural gas producer in the United States.Chesapeake Energy was co-founded by Aubrey McLendon and Tom Ward L. in 1989. Initially, the company had 10 employees and an initial inve…

Read More

National Oil Well Hua Gao

National Oilwell Varco (NOV) is an American multinational company headquartered in Greater Sharpton, Houston, Texas. The company’s common stock is listed on the New York Stock Exchange under the trading code ‘NOV’.National Oilwell Varco is the world’s leading supplier of oil and gas dril…

Read More

Xylem Inc.

Xylem Inc. is a large U.S. water technology supplier that enables customers worldwide to transport, treat, test, and use water effectively in utility, residential, commercial, agricultural and industrial environments.Xylem Inc. operates in more than 150 countries. Xylem emerged from ITT’…

Read More

Carl Pine Company

Calpine is an American power company that uses natural gas and geothermal resources to generate electricity, headquartered in Houston, Texas. It is a Fortune 500 company whose stock is listed on the New York Stock Exchange under the symbol CPN.Calpine has put into production or is buildi…

Read More