Rubicon Technology 

Rubicon Technology, Inc. produces monocrystalline sapphire for a broad spectrum of optical and industrial applications, serving clients across North America, Asia, and other international markets. The company provides a range of optical and industrial-grade sapphire materials in various forms and dimensions, including sheets, rods, tubes, cores, ingots, and prisms. These offerings cater to diverse industries such as defense and aerospace, specialized lighting, scientific instrumentation, sensing and detection technologies, semiconductor fabrication equipment, electronic substrates, medical devices, and laser systems. Rubicon Technology's clientele encompasses defense subcontractors, industrial manufacturers, material fabricators, and resellers. Established in 2001, the company's operations are based in Bensenville, Illinois.