Nikkon Holdings is considering going private and is preparing to hold a first round of bidding in early June, according to people familiar with the matter.

Several U.S. investment funds including Bain Capital, Warburg Pincus and Blackstone are expected to take part in the bidding, said the people, who asked not to be identified discussing confidential information.

The Tokyo-based logistics company has selected financial advisers for the privatization process and has also set up a special committee made up of outside directors to consider the matter, according to the people. Nikkon plans to hold a second round of bidding in August, the people said.