MarkeTech International - Port Townsend, WA
Manufacturer, Custom Manufacturer
Custom manufacturer of quartz glass. Capabilities include machining, brazing, fabricating, metalizing, lathe work, bending, sawing, inspection, milling, injection molding, surface grinding, welding, drill pressing & press braking.
www.mkt-intl.com/Super_Conductors/RAW_MATER...

Quartz Scientific, Inc. - Vancouver, WA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer of clear fused quartz products including beads, beakers, discs, dishes, flasks, joints, slides, plates, stop cocks, seals, boats, O-rings, jars, fused quartz crucibles, process tubes, bell jars, cylinders & custom designed quartz ware. Capabilities include manufacturing bell jars & cylinders up to 32 in. diameter, resizing clear fused quartz tubes for 300 mm to 400 mm diameter horizontal & vertical process tubes. Quartz available in the form of tubing, rods, ingots, discs, plates & cylinders.