Custom Suppression, Inc. Custom manufacturer of miniature RFI filters and filtered connectors with suppression and transient devices. http://www.customsuppression.com

Communications & Energy Corporation Manufactures and sells microwave filters for wireless television, cable television, low-power television, and personal communications service. http://www.cefilter.com/

LG SAW Filters Develops user-specified IF SAW filter in a very short term. http://lgsaw.lgcit.com/

Murata Electronics North America Produces a.o. feedthrough and SAW filters. http://www.murata.com/

Sanyo Video Components Specifications for SAW filters, dielectric filters, SAW resonators, duplexers. http://www.sanyovideo.com/

Curtis Industries Full line manufacturer of RFI filters - general purpose, high performance switching power supply, medical UL544, 3 phase, power entry modules. http://curtisind.com

Vortex Technologies, Inc. Supplier of isolators, control surge protectors, and EMI\RFI filters. http://www.vortextek.com/

OKY R&D Co., Ltd. Manufacturer of EMI/EMC filters, choke coil and inverter surge filters. http://www.oky.co.kr/

Arcotronics EMI EMC RFI filters and interference reduction engineering solutions. http://www.arcotronics.net

Genisco Filter Corp. A custom solutions manufacturer for a variety of electromagnetic and radiofrequency interference problems. http://www.genisco.com

ITF Co.,Ltd. Manufacturer of high-performance surface acoustic wave (SAW)components. Application areas include base stations, repeaters, terminals, HDTV and SAW resonators. http://www.itf.co.kr

Pole Zero Corporation Manufactures digitally tuned RF filters, notch filters, preselectors and low noise amplifiers. http://www.polezero.com

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. http://www.spectrumcontrol.com

Jiaxing Acoustic Electric Industrial Company Manufacturer of saw devices, including SAW filters, resonators and duplexers. http://www.sawseek.com/

Colby Instruments, Inc. Manufacturer of precision programmable delay lines and phase shifters. Both mechanical and electronic solutions are offered with resolutions down to 0.25 ps, and bandwidth from dc to 18 ghz (dc to 40 gb/s nrz). http://www.colby-inc.com/

Anatech Electronics, Inc. Manufacturer of a wide range of RF and Microwave filters for commercial, industrial, wireless and military applications. http://www.ana-tech.com

EMC Filter Solutions A manufacturing company, specialising in producing emc, rfi, emi filters for the telecomm, industrial, defence and medical electronics industry. http://www.emcfiltersolutions.com

K-COM Manufacture products for attenuation of radio frequency interference (RFI) used by amateur (ham), short wave and Citizen Band (CB) radio operators . Includes product specifications, technical documentation, and FAQs. http://www.k-comfilters.com/

KR Electronics Designs and manufactures precision filters from dc to 3 GHz. http://www.krfilters.com

AEF Solutions Filtered connector solutions for electro magnetic interference including lightning and transient suppression. http://www.aefsolutions.com/