Everything's an open and shut case for Henry Technologies, manufacturer of valves and accessories for refrigeration, air conditioning, and other industrial applications. Henry Technologies makes products that control the flow of liquids and gases -- including liquid indicators, strainers, and valves -- through its Henry Valve Division. Henry's AC&R Components division produces compressor protective devices, including accumulators, oil level regulators, and oil separators. The company also makes heat transfer products and pressure vessels through its branded Chil-Con division (Canada). Henry has manufacturing locations in Canada, Scotland, and the US.