Edmund Optics - Barrington, NJ
Distributor, Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified worldwide manufacturer & distributor of standard & custom long wave pass filters. Filters include cold mirrors, dichroic laser beam combiners, dichroic plate beam splitters, thin film UV filters, infrared filters & laser line long pass filters. Laser line dichroic plate beam splitters, long pass glass color filters, mounted edge filters, mounted glass UV filters, mounted IR filters, optical cast IR long pass filters & UV long pass filters are also available.
www.edmundoptics.com/optics/optical-filters...

Evaporated Coatings, Inc. - Willow Grove, PA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer a complete assortment of LWP designs for glass, plastic & fiberoptic components. Filters are available for specific angle of incidence, index medium, wavelength region & substrate size.
www.evaporatedcoatings.com/custom-optical-f...

Janos Technology - Keene, NH
Manufacturer, Custom Manufacturer, Service Company
Six Sigma & Lean manufacturing capable manufacturer of standard & custom long wave pass filters. Specifications include 25.4 mm dia., ± 0.25 mm tolerance & 1 mm thickness. Capabilities include optical design & engineering, diamond turning, optical coating, precision testing & metrology, double sided polishing, fabrication & automated polishing. Meet MIL-I-45208 standards. Products are available with 1 year warranty.
www.janostech.com/products_and_services/cat...

Communication Coil, Inc. - Schiller Park, IL
Manufacturer, Custom Manufacturer
Manufacturer of custom long wave filters, 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

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.
laurelindustries.com/optics.htm#Surplus

Reynard Corp. - San Clemente, CA
Manufacturer, Custom Manufacturer
Manufacturer & supplier of neutral density, short wave, long wave & color filters. 0-5 density. BK-7, fused silica, zinc selenide, circular variable neutral density filters. 80-50 scratch & dig. Less than 3 arc minutes parallelism. Outside diameter: 25.00-200.00.

Metavac - Holtsville, NY
Manufacturer, Custom Manufacturer, Service Company
Custom polarized, long wave pass & colored filters for contrast enhancement & sunlight readability iIn sophisticated military & Commercial Applications. optical filters for industrial, medical & scientific applications in either glass or plastic.

Grainger Industrial Supply - Locations
Distributor
Distributor of a wide variety of filters. Filters are available for many applications including fleet & vehicle maintenance, HVACR, pneumatics, plumbing, safety, motors, cleaning, hydraulics, test instruments & many more. Services include 24-hour emergency order response services, inventory management services, safety services, repair and replacement programs, hazardous recycling services and storage/material handling equipment services. 1 year warranty.

Corion Corp. - Franklin, MA
Manufacturer
Optical Filters & Coatings

Spectrogon U.S., Inc. - Parsippany, NJ
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified custom manufacturer of long wave pass filters. Specifications of long wave pass filters include 25.4 mm to 25.6 mm dia., plus/minus 20 nanometers to plus/minus 250 nanometers cut-on tolerance & 70 percent to 80 percent transmission. Meets MIL-F-48616 Spec.

Andover Corp. - Salem, NH
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2000, AS 9100B & AS9104A certified. Manufacturer of visible & NIR long wave pass filters. Edge filters are available with 4 mm maximum thickness, 90% minimum clear aperture, +0.0 mm/-0.5 mm size tolerance, +/-10 nanometers cut-on & cut-off tolerance, 3 arc/minute parallelism, -50 degrees C to +100 degrees C operating temperature & short wave transmission less than 425 nanometers & 0.9X long wave pass rejection. ITAR registered.

Omega Optical Inc. - Brattleboro, VT
Manufacturer
Manufacturer of precision optical filters for instrumentation & research.

Spectro Film - Billerica, MA
Manufacturer
ISO 9002 certified manufacturer of vacuum deposition equipment. Includes sputtered filters, long pass filters, short pass filters, oxide coatings, AR coatings, hard coatings, & hot & cold mirrors. Serves research & industrial markets.

Masline Electronics, Inc. - Rochester, NY
Distributor, Custom Manufacturer
ISO 9001:2000 certified distributor of passive & electromechanical components including infrared filters, ultraviolet (UV) filters, back light UV passing filters, light emitting diode (LED) filters, long wave pass filters, & short wave pass filters. Features include applications exceeding 100 amps. Services include JIT delivery, project specified sorting, inspection & testing, packaging, & 24 hour emergency service. Industries served include automotive & telecommunication.
Brand Names: Curtis Industries, Delta, Electrocube, FerriShield, Power Dynamics, Schaffner, Schurter

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

Dontech, Inc. - Doylestown, PA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of EMI/RFI optical filters/windows, anti-glare/anti-reflective contrast enhancement panels for computer displays, enclosures & structural applications. Abrasion & chemical resistant coatings. Narrow band pass & polarizing filters. Complete assemblies, bezels, frames & gasket.

National Polarizers, Inc. - Hempstead, NY
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer Of Electro-Optic Devices, Glass, Optical Filters

Litton Electro-Optical Systems/Applied Optics Center - Dallas, TX
Manufacturer
Custom Optical Components, Advanced Dielectric Coatings, Assemblies

Gentex Corp., Filtron Div. - Carbondale, PA
Manufacturer
Absorbtive Filters & Resins For Ultraviolet Visible & Near Infrared