Didi Chuxing, a Beijing-based rideshare provider similar to Uber Technologies Inc. (NYSE: UBER), filed to go public in the US by offering American depository shares, according to a filing with the US Securities and Exchange Commission. Didi Chuxing operates in 4,000 cities in 15 countries, including countries in Asia and Latin America as well as Russia and Australia but not in the US. CNBC reported the IPO could be one of the largest of this year.

Didi Chuxing’s drivers, as at other ride-sharing firms, are treated as independent contractors. Among risk factors listed in its prospectus, the company noted its business would be “adversely affected if drivers were classified as employees, workers or quasi-employees.”

The company has more than 493 million annual active users, according to the filing. Revenue as measured in Chinese currency fell 8.4% in 2020 after rising 14.4% in 2019.

2020 revenue in US dollars was $21.65 billion; net loss was $1.66 billion. In Didi Chuxing’s first-quarter revenue was $6.43 billion and net loss was $825.0 million.

Didi Chuxing acquired Uber China in 2016 and launched operations in Brazil and Mexico in 2018.

The precise name of the company on the SEC prospectus is Xiaoju Kuaizhi Inc.