Master-Bilt, manufacturer of commercial refrigeration systems, announces its association with two new rep groups, Finn Marketing, Tampa, and 4 Star Representatives, Pennsauken, N.J. Finn Marketing will represent Master-Bilt in Florida. 4 Star Representatives, formerly known as Bachovin-Healy Group, will cover an expanded mid-Atlantic area, with the addition of two new team members in Harrisburg and Allentown, Pa. www.master-bilt.com