Dynavac (also known as Vacuum Technology Associates) is a company that manufactures vacuum systems for thin film deposition, space simulation, and custom-engineered applications. Its products include inline deposition and optical coating systems, thermal vacuum chambers, environmental test chambers, etc. The company also provides design analysis, fabrication, diagnostic evaluation and repair, thermal vacuum testing, and preventative maintenance services. Dynavac caters to the aerospace coatings, astronomy, electronics, lighting, and optics sectors.