Organic salad producer Earthbound Farm, San Juan Bautistsa, Calif., is exploring a sale of the company, according to sources. Investors include private equity firm Kainos Capital, and Barclays has been hired to sell the company in a deal that could be worth $600-700 million, according to several sources.

The sale process is in the early stages, the sources said. The company has roughly $75 million in annual earnings before interest, taxes, depreciation and amortization (EBITDA), the sources say.

Earthbound Farm and Kainos Capital could not be reached for comment. Barclays declined to comment.

Earthbound Farm was named one of Refrigerated & Frozen Foods’ Ones to Watch in 2013.