Communication Coil, Inc. - Schiller Park, IL
Manufacturer, Custom Manufacturer
Manufacturer of custom high-pass filters (RF & power), bandpass, lowpass, highpass, notch, non-magnetic (MRI), anti-aliasing, GPS, chokes, coils, inductors, baluns, RF & power transformers for medical, military, airborne, marine, instrumentation, industrial & wireless communications.
www.communicationcoil.com/filter.html

Pasternack Enterprises - Irvine, CA
Manufacturer, Custom Manufacturer
ISO 9001:2008 certified manufacturer of high pass filters, which are part of an in-stock selection totaling over 35,000 unique same-day-ship RF products including custom cable assemblies that are built and shipped the same day.
Brand Names: Pasternack
www.pasternack.com/highpass-filters-categor...

Beltran Technologies, Inc. - Brooklyn, NY
Manufacturer, Custom Manufacturer, Service Company
High pass filters. A complete line of water & air pollution control equipment.
www.beltrantechnologies.com/solutions

Screentek Mfg., Inc. - Randolph, NJ
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of high-pass filters. Other types of filters including exhaust, analog, breather, coaxial, crystal, deionized water, disc, edge, electromagnetic, expanded metal, fume, honeycomb, hydraulic oil, infrared, leaf, liquid, magnetic, nuclear, opacity, pipeline, ozone, pleated, prototype, quartz, respirator, sanitary, sediment, spatial, sterilizing, turbine, vacuum disc & perforated filters are also available. Specifications of high-pass filters include 0.021 in. to 0.051 in. warp size, 0.027 in. to 0.051 in. fill dia., 5 x 5 to 21 x 20 strands/sq. in., 23 to 409 holes/sq. in., 0.00046 to 0.02530 opening size/sq. in. & 18.8 percent to 59 percent open area. Filters are suitable for industrial & commercial applications.
www.screentek.us/productdetails.php?pid=4

Newport Industrial Glass, Inc. - Stanton, CA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Fabricator & distributor of filters: absorption, broadband, contrast enhancement, dichroic, infrared, transmitting. Reflecting, infrared, neutral density, night-vision, photographic, polarizing, band pass, ultraviolet, beamsplitters, aviatics, heat absorption, fiber optics, uranium, reference, dwdm, fluorescence, colored glass.
Brand Names: HOYA, Kopp/Corning, Schott
www.newportglass.com/homefil.htm

Laurel Industries - Highland Park, IL
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of standard & custom infrared filters, ultra-violet filters, long wave pass & short wave pass filters in production & prototype quantities. Filters meet Military Spec. or customer specifications.
www.laurelindustries.com/optics.htm

K.R. Electronics Inc. - Avenel, NJ
Manufacturer
Designers & mfrs. of custom & standard filters DC to 3 GHz. Technical review of specs. & application assistance. Surface mount filters.
www.krfilters.com

Midwest Optical Systems, Inc. (MidOpt) - Palatine, IL
Distributor, Manufacturer, Custom Manufacturer
Manufacturer of mounted optical filters for machine vision applications. Products include color bandpass, long pass, short pass, infrared & UV pass & block, neutral density, polarizing & light balancing filters plus filter kits for testing. Filters are available in sizes from 12 mm to M105, in threaded, anodized, laser-etched aluminum mounts, are non-hydroscopic & withstand cleaning, solvents, heat, humidity & vibration. Custom drilling, edging, shaping & assembly is available.
www.midopt.com/filters.html

Mini-Circuits - Brooklyn, NY
Manufacturer
RF/Microwave Filters. Certified ISO 9001, RoHS & environmental compliance ISO 14001, & aerospace AS 9100 certified.
www.minicircuits.com/products/Filters.shtml

Daniels Filter Service, Inc. - Des Moines, IA
Distributor, Custom Manufacturer
Stocking distributor of high-pass filters including high efficiency filters. Specification of high efficiency filters includes 70 percent to 75 percent, 80 percent to 85 percent & 90 percent to 95 percent efficiency. High efficiency filters are available with dust holding capacity.

Quality Filters, Inc. - Ann Arbor, MI
Manufacturer, Custom Manufacturer
Custom manufacturer & fabricating of high-pass, horizontal, hydraulic, hydraulic oil, indoor air quality & industrial varieties. Installation & removal available. Filter components specializing in wire cloth & perforated metal parts. Custom fabricated screens, strainers & filters in a variety of materials.

Tte - Los Angeles, CA
Manufacturer
Manufacturer Of Electronic Components

Waco Filters - Jacksonville, FL
Distributor, Custom Manufacturer, Manufacturers' Rep, Service Company
Manufacturers rep. & stocking distributor of filters including high-pressure, high temperature, high-pass & horizontal filters. Other products include activated carbon filters, air intake filters, air oil separators, desiccant filters, dust collection filters, gas turbine intake filters, HEPA filters, in line filters, paint spray filters, particulate filters, & ULPA filters. Filter components including bags, cartridges, coalescers, molecular sieves, radical fin, silencers are available.

Anatech Electronics - Garfield, NJ
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified custom manufacturer of high-pass filters. Types of highpass filters include surface mount PC & lumped components highpass custom filters. Highpass filters are available with frequency ranging from 500 kHz to 15,000,000 kHz & 500 W power.

Numatics, Inc. - Highland, MI
Manufacturer, Custom Manufacturer
ISO 9001 certified manufacturer of pneumatic air preparation products including: compressed gas filtration, regulators, lubrication & separation components. For the industrial, instrumentation & medical markets. CAD models available online in 85 native CAD formats.

Espey Manufacturing & Electronics Corp. - Saratoga Springs, NY
Manufacturer, Custom Manufacturer, Service Company
Manufacturer Of Printed Circuit Boards, Controls, Assemblies, Switches; Plating, Environmental Testing Service

Frequency Devices, Inc. - Ottawa, IL
Manufacturer
Fixed Frequency, Resistive Tunable, Range Switch Programmable

Custom Power Systems, Inc. - Ronkonkoma, NY
Manufacturer, Custom Manufacturer
Manufacturer & Designer Of EMI/RFI Filters & Coils; Powerline Filters, Single & Three Phase Electronic Filters For Noise Elimination. Military Spec. Filter Specialists, ISO-9001 Compliant, Chassis Or PCB Mounting Types

Arra, Inc. - Bay Shore, NY
Manufacturer, Custom Manufacturer
Manufacturer of high-pass filters, coaxial & waveguide microwave components. Filters for band pass, low pass, 90dB rejections, high power tunable & special designs. Couplers, attenuators, hybrids, dividers, shifters, termination, switches & customized assemblies are space-qualified.

Krohn-Hite Corp. - Avon, MA
Manufacturer
Electronic Oscillators, Filters, Amplifiers

Fil-Coil Filters - Central Islip, NY
Manufacturer, Custom Manufacturer
Manufacturer of EMI/RFI Filters, Military Spec. EMI/RFI filters, electronic medical electronic filters, electromagnetic & electrical filters, signal process & power line filters, RFI filters, telecommunications filters, delay lines, analog & digital & surface mount delay lines.

Portage Specialty Products - Portage, MI
Distributor, Manufacturer, Custom Manufacturer
Distributor of high-pass water flow filters available in 1/4 in. & 3/8 in. NPT male & female connections. Length for filters range from 6.25 in. to 10 in.
Brand Names: John Guest

Integrated Microwave Corp. - San Diego, CA
Manufacturer
Manufacturer of custom ceramic filters, diplexers, resonators & IF/RF/Microwave filters for wireless, commercial & military applications.

Quinstar Technology, Inc. - Torrance, CA
Manufacturer
Manufacturer of millimeter wave products.

Mini-Circuits Distribution Center - Branson, MO
Manufacturer
RF/Microwave Filters, 300+ models ready to ship (coaxial, surface mount & plug in) and hundreds more custom items from DC-15 GHz. High-pass, low-pass, band-pass, or band-stop, our wide range of materials and methods will meet your needs. Low passband VSWR and insertion loss across the board, with high attenuation in the rejection band. All models characterized with detailed data & performance curves. Certified ISO 9001, RHoS & environmental compliance ISO 14001, & aerospace AS 9100 certified.