Distributor C.H. Robinson, Eden Prairie, Minn.; fresh-cut processor-shipper Apio Inc., Guadalupe, Calif.; and fresh-cut formulations manufacturer NatureSeal Inc., Westport, Conn., are among the companies that recently agreed to participate in the Salad Bar in Every School campaign, said Lorelei DiSogra, vice president of nutrition and health for the United Fresh Produce Association, Washington, D.C.

The United Fresh Foundation Center for Nutrition and Health administers the program.