Hermetic Solutions Group (HSG) is a supplier of hermetic packaging solutions. It offers hermetic packages, connectors, headers, lids, windows, thermal management materials, vacuum and laser products, etc. The company also provides machining, cleanroom area simulation, prototyping, and laser-based manufacturing, laser welding and cutting, and other services. Hermetic Solutions Group caters to the defense, aerospace, energy, industrial, medical, and optical networking markets.