LCR Electronics, Inc. - Design, development and manufacturing of custom and standard EMI filters. Custom Suppression, Inc. - Custom manufacturer of miniature RFI filters and filtered connectors with suppression and transient devices. Murata Electronics North America - Produces a.o. feedthrough and SAW filters. Curtis Industries - Full line manufacturer of RFI filters - general purpose, high performance switching power supply, medical UL2601, 3 phase, power entry modules. OKY R&D Co., Ltd. - Manufacturer of EMI/EMC filters, choke coil and inverter surge filters. Genisco Filter Corp. - A custom solutions manufacturer for a variety of electromagnetic and radiofrequency interference problems. ITF Co.,Ltd. - Manufacturer of high-performance surface acoustic wave (SAW)components. Application areas include base stations, repeaters, terminals, HDTV and SAW resonators. KR Electronics - Designs and manufactures precision filters from dc to 3 GHz. TTE - Produces bandpass filter, rf filter, and high pass filters. Oceangrove Developments Limited - Produce RFI suppression capacitors, chokes and filter systems. AEF Solutions - Filtered connector solutions for electro magnetic interference including lightning and transient suppression. Spectrum Control Inc. - Manufactures aline of EMI/RFI filters, power products and EMC testing services including capacitors, discrete filters, filtered arrays, ferrite inductors, patch antenna elements and gaskets and shielding. Pole Zero Corporation - Manufactures digitally tuned RF filters, notch filters, preselectors and low noise amplifiers.