All Coilcraft 109 Phoenix Contact 68 Vacuumschmelze 43 EPCOS / TDK 43 Altech 34 Littelfuse 27 ICE Components 24 Murata Power Solutions 22 Hammond Manufacturing 14 Wurth Elektronik 4 BI Technologies / TT Electronics 4 KEMET 4 Triad Magnetics 3 API Technologies - Spectrum Control 3 Omron Automation and Safety 2 Vishay / Dale 1