The gross operating revenue for 1,039 A-share listed companies last year came to 9.28 trillion yuan – an increase of 35.05 percent from a year ago, China Securities Journal reported Tuesday.

Net profits for those 1,039 listed companies surged to 885.55 billion yuan, increasing 36.89 percent since last year, according to the report.

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PetroChina, the country's largest producer of fuel, was the most profitable company last year. In 2010, the company brought in 139.87 billion yuan. China Construction Bank ranked second best with 134.84 billion yuan profit. Bank of China, Sinopec and China Shenhua rounded out the top-five list.

The financial services, extractive and chemical industries were the most profitable in 2010. The average profit for companies in those industries was more than 800 million yuan, Securities Daily reported.

The newspaper also reported that the financial services industry became the most profitable industry. Net profits among 12 financial services companies totaled 314.34 billion yuan. The average earnings for companies in that industry jumped to 26.19 billion yuan, which was much higher than that of other industries.