Elk River Optical Goods Manufacturers 18936 York St NW Tadson Inc. is your source for Custom Glass Parts and Industrial Optical Components. We service the Electronic, Machine Vision, Lottery, Parimutual Betting and Instrument Window Industries. Elk River MN Optical Goods Manufacturers Tadson Inc www.tadson.com Instrument windows Pattern Substrates Screen Printing on Glass Reticle Blanks Filter Glass Colored Filter Glass Mirrors Prisims Beam Splitters Instrument Wedges Aircraft Instrument Gages Glass Tubing Pyrex Fused Quartz Soda Lime BK-7 Instrument windows Pattern Substrates Screen Printing on Glass Reticle Blanks Filter Glass Colored Filter Glass Mirrors Prisims Beam Splitters Instrument Wedges Aircraft Instrument Gages Glass Tubing Pyrex Fused Quartz Soda Lime BK-7 Business Reviews Tadson Inc Testimonials