A&B Process Systems Corp., a Marathon County manufacturer of process systems for the beverage and food industries, has agreed to be purchased by Chicago-based JBT Corp. for $102 million. A&B of Stratford, southwest of Wausau, specializes in the design, production and installation of liquid food production systems. Its acquisition adds to JBT's liquid foods portfolio and expands the company product and service offerings. A&B also brings a large field service operation that will join JBT's installation...