267023 - Liquid crystal devices lasers (except laser diodes) other optical instruments and devices not elsewh - 80 Manufacturers List

2670231000 - Telescopic sighting instruments for weapons; periscopes; telescopes etc. - 21 Manufacturer
2670233000 - Lasers (except laser diodes machines and devices containing lasers) - 21 Manufacturer
2670239000 - Other optical instruments and apparatus not elsewhere classified HS 90 (Optical photograph - 28 Manufacturer