![]() McDanel Optical Technologies McDanel Optical Technologies (also known as Rayotek Scientific) is a company that designs, engineers, and manufactures 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 1982 | Founding Date 1992 | Founding Date 1994 | Founding Date 1975 |
Type | Type Subsidiary | Type Subsidiary | Type Subsidiary | Type Private |
Tags | ||||
Locations | 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 34 | Employees 23 | Employees 553 | Employees 1185% increase |
Operating ⚠ | ||||
Product Categories | Product Categories 6 (Aug, 2020) | Product Categories 2 (Jun, 2024) | Product Categories N/A | Product Categories 3 (Nov, 2022) |

McDanel Optical Technologies (also known as Rayotek Scientific) is a company that designs, engineers, and manufactures products made from sapphire, glass, fused quartz, and fused silica.
View company
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