X-Ray Optical Systems is one of the leading providers of X-ray optics, excitation systems and petroleum analyzers worldwide. Operational for more than 20 years, it offers products for telecommunications, microelectronics, metal finishing and refining, food, pharmaceutical, cosmetics, agriculture, plastic, rubber, textile, fuel and chemical industries. The company also provides various custom solutions, including engine development and prototyping for thin film analysis, crystalline structure determination and protein crystallography. X-Ray Optical Systems offers X-ray fluorescence, a quantitative and qualitative analytical tool for the elemental analysis of materials. It additionally provides techniques to obtain information about the structure of crystalline materials. The company offers applications for scanning electron microscopy instrumentation. X-Ray Optical Systems is located in East Greenbush, N.Y.