B N Optical is listed in:
 Optical Goods Manufacturers
 Optical Goods Manufacturers in Tyne and Wear
 Optical Goods Manufacturers in Blaydon On Tyne

F K Optical Ltd is listed in:
 Optical Goods Manufacturers
 Optical Goods Manufacturers in Tyne and Wear
 Optical Goods Manufacturers in Washington

Northumbria Optical Coatings Ltd (Boldon Colliery) is listed in:
 Optical Goods Manufacturers
 Optical Goods Manufacturers in Tyne and Wear
 Optical Goods Manufacturers in Boldon Colliery

I Q Optical Lab Ltd is listed in:
 Optical Goods Manufacturers
 Optical Goods Manufacturers in Tyne and Wear
 Optical Goods Manufacturers in Houghton Le Spring