International Polarizer, Inc.
International Polarizer
http://www.intl-polarizer.com

Intelmac
Manufacturer of in-line optical fiber polarizers, depolarizers and power monitors.
http://www.intelmac.com

Reflex Analytical Corporation
Fabricates lenses, windows, polarizers, prisms and rods.
http://www.reflexusa.com/

American Polarizers Inc.
American Polarizers - Circular & linear polarizer manufacturer including linear & circular polarizers, contrast enhancement display filters, polarmotion animated displays & motion signs, aircraft cabin windows, sunglasses & 3-D glasses.
http://www.apioptics.com/

Microtech Instruments, Inc.
Offers polarizers and lenses for far-infrared, terahertz and sub-millimeter waves.
http://www.mtinstruments.com

Bolder Vision Optik
Polarization control components. Products include waveplates, polarizers and liquid crystal components.
http://www.boldervision.com

Codixx AG
CODIXX - Manufacturer of NIR IR UV VIS polarizers polarisers - polarizing filter for infrared, ultraviolet and visible spectra range - dichroic structured polarising filters - patterned polarizer dichroic polarizer with high transmittance and contrast
http://www.codixx.de/index.en.html

ISP Optics
ISP Optics is a manufacturer of infrared optical components including windows,lenses,domes,prisms,polarizers,waveplates fiber optics made from Barium Fluoride BaF2,Calcium Fluoride CaF2,Cadmium Telluride CdTe, Crystal Quartz,Caesium Iodide CsI,Fused Silica,Gallium Arsenide GaAs,Germanium Ge,Potassium Bromide KBr,Potassium Chloride KCl,KRS-5,Lithium Fluoride LiF,Magnesium Fluoride MgF2,Sodium Chloride NaCl,Sapphire,Zinc Selenide ZnSe,Zinc Sulfide Cleartran ZnS, optical glass.
http://www.ispoptics.com

Precision Photonics Corp
Precision Photonics is a leading supplier of precision laser optics. We are known for our high-precision metrology, quality components, and responsive technical support.
http://www.precisionphotonics.com

Solaris Optics S.A.
Manufacturer of precision optics including flats, prisms, mirrors, splitters, polarizers, and objectives. Also manufactures EO optics including Pockels cells. Poland.
http://www.solarisoptics.com.pl/en/index.html