McDanel Optical Technologies (formally Rayotek Scientific, LLC)

Glass, Ceramics and Concrete ManufacturingCalifornia, United States11-50 Employees

McDanel Optical Technologies, which operates from San Diego, California, is a company that originated as Rayotek Scientific, LLC in 1992 and has evolved into a full-service engineering and manufacturing firm. The business focuses on the design and manufacture of precision glass, sapphire, fused quartz, and fused silica products, serving scientific and commercial applications. Its services span from concept through engineering design to final production, emphasizing customized solutions for complex optical and material requirements. The firm is ISO 9001:2008 certified and maintains a structured quality management system with rigorous inspections of all incoming and outgoing products, underscoring its commitment to quality control.

In its current context, the company operates within the glass, ceramics, and concrete manufacturing sector and supports customers who require high-precision, specialty materials. The organization positions itself as a full-service facility capable of translating customer needs from initial concept to final manufacture, addressing both research-driven and commercial priorities. A notable development is the acquisition of Rayotek by McDanel Advanced Ceramic Technologies, LLC, announced in March 2024, reflecting a strategic consolidation within the industry.

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