The John Krizay Company has been serving the aerospace industry for over 50 years.

Many of our aerospace customers require special configurations to initiate a new concept. They know they can rely on our company for a short turnaround time on prototypes, and that we’re happy to produce small quantities of any product.

We work hand-in-hand with our customers to ensure all requirements are met so they can move ahead with their project.



  • Cores in quartz rod and tube
  • Cores in alumina rod and tube
  • Core supports


  • Primarily for precision-cooling air passages in turbine blades used in the hot section of the jet engine.


  • Global Fortune 500 companies who are leading producers of turbine blades, valves and structural supports for turbine engines.