The company that bought the Twinkie, HoHo and Ding Dong brands out of bankruptcy is gearing up to reopen plants and hire workers, but it won't be using union labor.

Hostess Brands LLC—Metropoulos & Co. and Apollo Global Management LLC's new incarnation of the baking company that liquidated in Chapter 11—is reopening four bakeries in the next eight to 10 weeks, aiming to get Twinkie-deprived consumers the classic snack cake starting in July.

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