About Us

A Leading Manufacturer of EMI Filters & RFI Filters

Custom Suppression is a leading manufacturer of custom EMI & RFI Filters and assemblies. CSI's strength lies in our ability to design and build EMI & RFI Filters that truly meet and/or exceed your needs, from electrical performances, dimensional requirements, on-time delivery, all at competitive prices. Our products include Solder-in Filters, Resin Sealed Filters & Capacitors, Hermetically Sealed Filters & Capacitors, Custom Filtered ConnectorsCustom Filtered D ConnectorsCustom Multi-section EMI/RFI Filter Assembliesas well as Power Line Filters and Commercial Assemblies.