Three of the top 10 U.S. companies in the Fortune 500 listing for 2015 are directly involved in natural gas and oil production — No. 2 ExxonMobil Corp., No. 3 Chevron Corp. and No. 7 Phillips 66 — and two more are big contributors to the domestic energy sector, No. 4 Berkshire Hathaway and No. 8 General Electric.

WalMart Stores was No. 1 for the second year in a row in both the U.S. and global listings (see Daily GPI, July 8, 2014). For the United States, Apple was fifth, General Motors sixth, Ford Motor Co. ninth, with CVS Health rounding out the top 10. Companies are ranked by total revenues for their respective fiscal years and include companies that are incorporated/operate in the United States and file financial statements with a government agency. This U.S. listing accounts for a total of $12.5 trillion in revenues, $945 billion in profits, $17 trillion in market value and 26.8 million people employed worldwide.

The top 100 U.S. energy firms included San Antonio-based refiner Valero Energy, 13; Marathon Petroleum, 25; ConocoPhillips, 51; Energy Transfer Equity Partners, 53; Enterprise Products Partners, 59; Plains GP Holdings, 67; Tesoro, 77; and Halliburton Co., 96.

Independents also on this year’s listing were Occidental Petroleum Corp., 115; Freeport-McMoRan Inc., 137, Hess Corp., 141; Chesapeake Energy Corp., 142; Devon Energy Corp., 152; Anadarko Petroleum Corp., 162; EOG Resources Inc., 167; Apache Corp., 218; Marathon Oil Corp., 227; Murphy Oil Corp., 360; and newcomer Pioneer Natural Resources Co., 496. Also new to the list are Tulsa-based NGL Energy Partners at No. 299 and AGL Resources at 465.

U.S. pipeline operators making the ranking this year also included Kinder Morgan Inc., 193; Oneok; 237; Targa Resources, 329; Buckeye Partners, 406; and Spectra Energy, 449. Oilfield service providers included Halliburton’s merger partner Baker Hughes Inc., 119; National Oilwell Varco, 127; Cameron International, 275; and FMC Technologies, 357.

Among the domestic utilities that made the list are Exelon Corp., 111; Duke Energy, 116; Southern Co., 163; AES, 178; PG&E Corp., 182; NextEra Energy, 183; American Electric Power, 184; FirstEnergy Corp., 206; Edison International, 226; and Consolidated Edison, 236.