U.S.-based freight logistics provider Flexport Inc is in discussions to secure around $500 million in funding round.

The round will be conducted by Japanese technology to telecommunications company SoftBank Group Corp. Other backers including DST Global, Wells Fargo, and S.F. Express could also join the round.

Flexport, which has $225 million in revenue annually, could be valued around $3 billion.

The company said that it has scored nearly $305 million in funding over five rounds.