Ing. L. Vyrtych
Production and selling of industrial, indoor, discharge and emergency light fittings. Testing laboratory for light fittings.
http://www.vyrtych.com

Light Metal Age
Magazine devoted to the primary production and semi-fabrication of light metals including aluminum, magnesium, titanium, beryllium alloys, and other non-ferrous metals.
http://www.lightmetalage.com/

Velocity of Light
Light source (macrosource) is a set of elementary sources which have different velocities in relation to inertial frame of the macrosource. Elementary light which is emitted by an elementary source has a strictly fixed speed c in relation to that elementary source in the moment of emission. Hereby follows that the macrosource is emitting lights that have different speeds in relation to its own inertial frame. Elementary light detector can only detect the light that in relation to it has speed c. Just that kind of light is detectable in the inertial frame of the elementary detector. The constancy of speed of light is only related to the detectable light and it is exclusivly the consequence of the strict detectors selectivity. Change of relative velocity between the light source and the detector can`t effect the detectors selectivity therefore the light speed that we detect in the inertial detectors frame is always the same. But every time another light is detectable depending on that relative velocity.
http://www.beotel.yu/~svetlost/

Ningbo Value FlashLight
Manufacturer and exporter of flashlight, book light, bicycle light, emergency light, head light and camping lantern.
http://www.led-flashlite.com

West Coast Sound and Light (WCSL)
A mid-sized sound and light production company based in Modesto, California. Services the sound and lighting needs of the west coast region and provides tour support nationwide.
http://www.wcsl.org/

New Theory of Light and Introduction to Aumic Waves
A new theory on the nature of light which puts forward interesting explanations for the nature of light, electric and magnetic fields and the reason for the speed of light being constant.
http://www.geocities.com/natureoflight/

Shenzhen MengXun Electronics Co Ltd
Product range includes safety light, bicycle front light, flashing bell, automatic control light, and automatic control braking light.
http://www.wyongli.com/

Hall Productions
Hall Productions maker of custom wood light box, mail inspection light boxes, mailroom equipment, light table, light tables, wood gifts, bench, furniture and other wood products.
http://www.hallpro.com

Pumy Industrial
Hong Kong Manufacturer and Supplier of Solar Series, Low Voltage Series, Decorative Series, Festive Series, Other Series
http://www.pumy.com

Light Unlimited
Lighting design and production services for the conference and events industries.
http://www.atuh64.dsl.pipex.com