Yankee Glass Blowers Inc.
Scientific Glassblowing of Pyrex, quartz. Produce glass to metal seals such as Kovar. Fabricate and repair scientific apparatus.
http://www.yankeeglassblower.com/

Okandan Glass
Okandan Cam San. Ve Tic. A.S.
http://www.okandanglass.com/

Hot Glass Audio
Hot Glass Audio is your #1 name in tube amplifier rebuilds - repairs - modifications.
http://hotglassaudio.com

Dlubak Glass Company
Processor and recycler of TV monitors, CRT tube glass, computer monitors, windshields and windows.
http://www.dlubak.com

Custom Glass Corporation
Custom Glass Corporation offers Custom Fabricated Glass, Specialty Glass, Bent Glass, Bulletproof Glass, Silk Screened Glass, Security Glass, Transportation Glass, Bullet Resistant Glass, Safety Glass, and much more
http://www.customglass.com

NGF Canada Ltd
Manufacturer of specialised glass fibre, rubberized glass cord and glass flake. Owned by NGF (Europe), part of NSG (Japan). E-glass, K-glass and U-glass
http://www.ngfcanada.com

Moores Glassworks Ltd
Manufacturers of specialist glass components including vacuum viewports, hollow cathode lamp bodies, photomultiplier envelopes, multi-pin bases, glass to metal seals, and cathode ray tube envelopes
http://www.moores-glass.co.uk

Lowinger GmbH
Entwicklung von Maschinen für die wärmetechnische Verarbeitung von Röhrenglas... Glaserzeugnisse für Labor, Pharmazie... Bau von Einzel-/Serienteilen, Baugruppen, komplette Maschinen...
http://www.loewinger.de/

Dr. Tube
Dr.Tube. The specialist in the repair and modification of tube amps. Sale of tubes and components.
http://www.drtube.com/

Nippon Glass Fiber
“ú–{”Ɏqƒgƒbƒvƒy[ƒWB‘‹ƒKƒ‰ƒX‚ð‚¨’T‚µ‚Ì•û‚âAŒš’zEÝŒvŽmŒü‚¯‚ÌŒš’z—pƒKƒ‰ƒXAŽ©“®ŽÔ—pƒKƒ‰ƒXAî•ñ“dŽqAƒKƒ‰ƒX‘@ˆÛAƒoƒCƒIŠÖ˜A‹@ŠíAd‹à‘®‹z’…ÜE•s—n‰»ÜAƒNƒŠƒXƒ^ƒ‹ƒKƒ‰ƒX‚̐»•iî•ñB“ŠŽ‘‰Æî•ñAƒvƒŒƒXƒŠƒŠ[ƒXACSREŠÂ‹«Šˆ“®AÌ—pî•ñ‚È‚Ç‚ðŒfÚB
http://www.nsg.co.jp/