Rubicon Technology Rubicon Technology is a company that manufactures monocrystalline sapphire products. | ![]() Rayotek Scientific Rayotek Scientific is a company that specializes in the design, engineering, and manufacture of products made from sapphire, glass, fused quartz, and fused silica. | ![]() GT Advanced Technologies GT Advanced Technologies (GTAT) is a company that produces crystal materials for advanced semiconductors, high energy lasers as well as aerospace and defense. | Tawakol Metal Industries Tawakol Metal Industries (توكل للصناعات المعدنية) is a manufacturer of ductile and grey cast iron products. | ||
Founding Date | Founding Date 2001 | Founding Date 1982 | Founding Date 1992 | Founding Date 1994 | Founding Date 1975 |
Type | Type Public | Type Subsidiary | Type Subsidiary | Type Subsidiary | Type Private |
Tags | |||||
Locations | Locations Bensenville, US HQ | Locations Burlington, US HQ Buffalo, US Murrieta, US | Locations San Diego, US HQ | Locations Hudson, US HQ Shanghai, CN Hong Kong, HK Taiwan, TW Missoula, US Salem, US | Locations Cairo, EG HQ |
Employees | Employees 375% decrease | Employees 34 | Employees 23 | Employees 553 | Employees 1185% increase |
Operating ⚠ | |||||
Product Categories | Product Categories N/A | Product Categories 6 (Aug, 2020) | Product Categories 2 (Jun, 2024) | Product Categories N/A | Product Categories 3 (Nov, 2022) |
Funding | |||||
Total funding raised | Total funding raised $ 25.5m | Total funding raised N/A | Total funding raised N/A | Total funding raised $ 83.6m | Total funding raised N/A |

Rayotek Scientific is a company that specializes in the design, engineering, and manufacture of products made from sapphire, glass, fused quartz, and fused silica.
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GT Advanced Technologies (GTAT) is a company that produces crystal materials for advanced semiconductors, high energy lasers as well as aerospace and defense.
View companyTawakol Metal Industries (توكل للصناعات المعدنية) is a manufacturer of ductile and grey cast iron products.
View company