Home - BRIDGEPORT MAGNETICS GROUP Toroid, Toroidal, Transformers, Cores, Transformer Components, Utility Industry, Utility Industry Products, Electric Vehicle, EV, Charging Station, EV Charging Station, Inductors, Chokes, Flat Wire, Insulated Foil Tape, Tape, Foil, Winding Machines, Winding Equipment, Test Equipment, Medical Industry Products, Medical Industry, Bridgeport Magnetics Group Bridgeport Magnetics Group, Inc. is a privately held corporation located in Shelton, Connecticut. Founder Ulrik Poulsen and partner Sandu Pescaru are known in the industry as leaders in the development of superior and economical products.