Donald M. Redfern

Insulectro supplies electronic equipment for fabricate printed circuit boards and other electronic interconnect systems. Its material includes copper-clad laminates, prepregs, dry film photo-resist, PCB chemistry, backup and entry materials, copper and aluminum foils, PCB specialty tapes, precision drills, routers, and lamination assist materials. The company was founded in 1964 and is headquartered in Lake Forest, CA.

Redfern Partners LLC (Redfern Partners) is a private equity firm founded in 2004. The firm is headquartered in Lake Forest, California.

Tri-Star Laminates, Inc. designs, develops and manufactures precision quality composite solutions used in fabrication of printed circuit boards, ballistic protections and contract toll pressing. The firm’s products used in the production of PCBs that go into wireless, telecommunication and Internet infrastructure hardware, medical device, military and aerospace equipment. The company was founded in 1969 and is headquartered in Lake Forest, CA.