Made in the USA
Made in the USA 
724.523.5567
Borosilicate Glass Manufacturer of Lenses, Reflectors, Refractors
IF YOU CAN DESIGN IT, WE CAN PRODUCE IT.

JSG Awarded Manufacturer of the Year
by Pittsburgh Business Times

 

Get more information on the Pittsburgh Business Times Manufacturer of the Year page.

 

 

 

 

 

 

 

 

 

 

 

 

 

   

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