American Polarizers, Inc. - Reading, PA
Manufacturer, Custom Manufacturer
Custom manufacturer of optical filters. Anti-glare, contrast enhancement display, infrared, EMI/RFI, instrument, linear phase, neutral density, panel, plastic, circular, linear, polarizing & non-polarized filters are also available in various colors. Optical filters are available with anti-glare surfaces, EMI/RFI shielding, silk screening, anti-reflective (AR) coatings, busbars & adhesive gaskets. Optical filters are suitable for displays, LED, LCD, CRT, plasma, electroluminescent (EL), vacuum fluorescence (VFD), instrumentation & medical equipment applications.
Brand Names: Glare-Bar
www.apioptics.com/contrast-enhancement-disp...

Evaporated Coatings, Inc. - Willow Grove, PA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer a variety of custom filters, heat reflecting films, color separation coatings & long & short wave pass designs manufactured to exact size requirements. These multilayer coatings exhibit sharp transitions, high transmission & blocking of unwanted energy.
www.evaporatedcoatings.com/custom-optical-f...

Specialty Glass Products, Inc. - Willow Grove, PA
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of optical glass & filters used for passing light wavelengths. Non-crystalline filters are available in various sizes, shapes & surface finishes. Glass filters are made from inorganic mixture of chemicals fused by heating with silica, boric or phosphoric oxides. Types of filters include band, long & short pass & neutral density & conversion filters. ISO 9001:2000 compliant.
www.sgpinc.com/filterglass.htm

American Precision Glass Corp. - Duryea, PA
Manufacturer, Custom Manufacturer, Service Company
Fabrication of neutral density & color filter glass. Color glass filters can be individually fabricated to required specifications. Additional coatings, cemented filter combinations, assembling of different color glass, filters & glass materials & thermal tempering. Types of filters include: black- & blue color filter glass with transmission in the ultraviolet range, blue & blue-green color filter glass, green color filter glass, orange color filter glass, red & black color filter glass with transmission in the infrared range, neutral filter glass with balanced blocking in the visible range, colorless filter glass with transmission in the ultraviolet range, heat absorbing filters, blue & brown color shade filters and optical glass filters. Precision specifications such as flatness, surface quality, mechanical tolerances (up to 15m), size dimensions, thickness, coatings and thermal tempering.
www.apgcorp.com/filter.htm

Performance Coatings International Laboratories, LLC - Bangor, PA
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom plastic optical filters. Contrast enhancement filter materials for display readout windows, PMMA infrared filters, PMMA diffusion filters, PMMA LCD filters, PMMA vacuum fluorescent displays (VFD) filters, EMC display filters & PMMA contrast filters are available. Capabilities include spray coating, plastics processing, CNC precision saw cutting, shearing, punching/blanking, CNC routing/drilling, CNC machining, silk screening & assembly. Plastic parts coating services are available. RoHS compliant.
Brand Names: Chromafilters, Solaris
www.pcoatingsintl.com/index.php/product-cat...

Max Levy Autograph, Inc. - Philadelphia, PA
Manufacturer, Custom Manufacturer
EIA grey scale targets/ND filters, reticles, multifunction targets, Ronchi rulings, diffractive optics, clear optical path targets. Available chrome on glass, plastic, etched & filled, high contrast/density formats. UV, VIS, IR, x-ray, metrology applications.

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.

Waco - Norristown, PA
Distributor, Custom Manufacturer, Manufacturers' Rep, Service Company
Manufacturers rep. & stocking distributor of filters including optical, ozone, paint, paint spray booth & panel 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.

Thin Film Labs - Milford, PA
Manufacturer
Manufacturer of optical coatings.

Agere - Allentown, PA
Manufacturer
Optoelectronic Components For Communications Systems, Integrated Circuits

View Thru Technologies, Inc. - Telford, PA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of optical filters for flat panel displays including anti-reflective coatings with hydrophobic overcoatings, abrasion & chemical resistant hard coatings, anti-glare coatings, optical EMI/RFI shielding & IR reflection coatings. Specializing in optical EMI/RFI shielding laminations.

Effective Shielding Company, Inc. - Chester, PA
Distributor, Manufacturer
Distributor Of Adhesives, Air & Optical Filters, Gaskets

Precision Glass Technologies - Sanatoga, PA
Manufacturer, Service Company
Lenses, mirrors, prisms, components

Cergence, Inc. - West Chester, PA
Manufacturer, Custom Manufacturer
Manufacturer of fiber optic assemblies & components, optical filters, lenses, passive & active components & optoelectronic components.

Precision Glass Technologies - Birdsboro, PA
Manufacturer
Manufacturer

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