Armstrong International is a fifth-generation family-owned manufacturer of thermal utility equipment and intelligent system solutions. Founded in 1900 and headquartered in Three Rivers, Michigan, the company's product range spans steam traps (including the inverted bucket design it pioneered in 1911), industrial high-temperature heat pumps, direct steam humidifiers, digital water temperature control valves (The Brain® DRV series), and VERIS Accelabar® flow meters.

Beyond hardware, Armstrong delivers the SAGE® thermal utility monitoring platform—a cloud-based system providing real-time visibility into steam trap health and overall thermal system performance. The SAGE® steam trap management methodology is recognized by the United Nations Framework Convention on Climate Change (UNFCCC) for carbon credit trading under the Kyoto Protocol. With manufacturing facilities in the USA, Belgium, Canada, China, and Japan, Armstrong serves industries where thermal efficiency and reliability are critical, including hydrocarbon refining, food and beverage production, pharmaceutical manufacturing, and healthcare facilities.