Founded in Cleveland in 1969 and now based in Salem, Ohio, John Krizay Inc. fabricates precision quartz and alumina products, including the cores used in aerospace and industrial gas-turbine applications. The company has spent more than five decades refining custom tubing, rod, and core fabrication for customers in more than 20 countries. Its quality system is certified to ISO 9001:2015.
ISO 9001:2015
Industrial Quartz CorporationOpened in 1968 as a small-bore quartz tubing and rod maker for the aerospace investment-casting industry, Industrial Quartz Corporation now produces custom fused-quartz products in Mentor, Ohio. The family-owned company is best known for its quartz redraw capabilities, combining more than 50 years of experience with precision machining and fabrication for customer-specified designs. Its quality system documents production processes and material traceability while monitoring in-process and final dimensions.MENTOR, OH
INSACO IncSince 1947, Quakertown-based INSACO has precision-machined and polished technical ceramics, sapphire, glass, and quartz for demanding applications. Founded as Industrial Sapphire Specialties making phonograph needles, the company later produced sapphire cover plates for the first Telstar satellite and now works from a plant spanning more than 50,000 square feet. INSACO measures and documents parts to tolerances sometimes reaching millionths of an inch, with experience ranging from prototypes to automated production.QUAKERTOWN, PA
QQEQQE manufactures fabricated high-purity quartz products, with a history in Ohio that began in 1969 when General Electric contracted the company, then known as Behm Glass, to cut its first fused-quartz ingot. The company supplies machined quartz parts to semiconductor and other high-tech industries and reports operating two manufacturing locations in the United States.DAYTON, OH
K&K Precision, IncFounded in 1991 as a small job shop in Lebanon, Ohio, family-owned and -operated K&K Precision now provides custom precision machining and manufacturing from its Mason facility. The company employs more than 55 Ohioans, supports aerospace and defense work through ISO 9001:2015 certification and ITAR registration, and offers 24-hour manufacturing by request. Its planned expansion will increase the plant from 28,000 to 60,000 square feet by 2027.MASON, OH