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National Biological Corporation maker of phototherapy products for skin disease such as psoriasis and vitiligo. http://www.natbiocorp.com/
Solarc Systems manufactures and sells UVA and UVB Ultraviolet phototherapy equipment for the treatment of Psoriasis and other skin disorders such as Vitiligo. http://www.solarcsystems.com/
The Daavlin Company Makes phototherapy products both for in-home and professional use. http://www.daavlin.com/