Swift Holdings Corp. filed with U.S. regulators on Thursday to raise up to $700 million in an initial public offering of common stock.

In a filing with the U.S. Securities and Exchange Commission, the transportation services company said that Morgan Stanley, BofA Merrill Lynch and Wells Fargo Securities are underwriting the IPO.

The filing did not reveal how many shares the company planned to sell or their expected price.

The Phoenix, Ariz.-based company intends to list its class A common stock under the symbol "SWFT."