Almost 20% of the top 100 companies ranked on the latest Fortune Global 500 list are major oil and natural gas producers, with some familiar U.S.-based names among the leaders.
The annual ranking of the world's largest corporations by revenue, issued on Wednesday, once again placed Walmart Stores at No. 1. Walmart has claimed the top spot 10 times since 1995. Oil and gas producers claimed six of the top 10 spots.
At No. 2 is China's Sinopec Group, followed by No. 3 and 4, Royal Dutch Shell plc and China National Petroleum. ExxonMobil Corp. rounds out the Top 5, followed by BP plc in sixth place. Also making the under-20 list are France's Total SA at 11 and Chevron Corp. at 12.
"It was a topsy-turvy year," said Fortune editors. "Collectively, the 500 biggest companies in the world ranked by revenue set a new record in 2014 by generating $31.2 trillion in sales, a gain of 0.5% over 2013. But total profit for the Global 500 fell nearly 15% to $1.7 trillion.
"One major reason for the plunge was lower crude prices, which hit the oil and gas industry hard. Then there was the Fannie and Freddie factor: In 2013, U.S. mortgage giants Fannie Mae and Freddie Mac surged to a combined $133 billion in profit. That figure dropped out to just $22 billion in 2014."
Banking was the industry with the most number of companies on the list at 55, followed by oil and gas operators with 38 and automakers/parts suppliers with 34.
Other oil and gas producers making the top 50 list are Phillips 66 at No. 23, while Russia's OAO Gazprom is 26th, Brazil's Petrobras is at 28, and San Antonio's Valero Energy is ranked at No. 35. Venezuela's state-owned PDVSA is ranked 39th, followed at No. 43 by Russia's OAO Lukoil. Mexico's Petroleos Mexicanos, or Pemex, is ranked 47th.
Also making the top 100 are Russia's OAO Rosneft at 51, South Korea's SK Holdings at 57 and Malaysia's Petronas at 68. No. 72 is China National Offshore Oil, with France's GDF Suez at No. 73 and Norway's Statoil ASA at No. 75. Rounding out the top 100 are Marathon Petroleum at No. 83, Japan's JX Holdings at No. 92 followed by Thailand's PTT at No. 93.
Other companies in the top 10 that weren't producers making the list are China's State Grid at No. 7, followed in order by Germany's Volkswagen, Japan's Toyota Motor and Swiss-based Glencore.
U.S. companies overall claimed the most spots on this year's list with 128, followed by 98 Chinese companies and 54 from Japan. China added three new companies from last year, while the United States maintained its total and Japan lost three. For the first time ever, a Chinese company led all companies in profits, with Industrial & Commercial Bank of China's $44.8 billion outpacing Apple's $39.5 billion. The United States, China and Japan account for 56% of the Global 500.
The world's 500 largest companies last year generated $31.2 trillion in revenues and $1.7 trillion in profits, with the ranking setting an all-time record for sales. Together, this year's Fortune Global 500 employ 65 million people worldwide and are represented by 36 countries.