Air Techniques International
Appliances, Electrical, and Electronics ManufacturingMaryland, United States11-50 Employees
Air Techniques International designs and manufactures equipment that measures and detects airborne particulate hazards and contaminants. Its products are used in industries such as biosafety, cleanroom certification, flat sheet media, pharmaceutical production, and military applications. ATI operates as a division of Hamilton Associates, Inc., a family-owned Baltimore-area manufacturing firm established in 1951. Based in Owings Mills, Maryland, ATI serves customers around the world with air characterization technologies. In 2026, ATI launched the 2J Aerosol Photometer and expanded its international footprint with the acquisition of OptiCal Sciences Ltd in Letchworth Garden City, UK, strengthening its presence. These developments reflect ATI's ongoing focus on specialized test equipment for HEPA filters and protective masks, supporting industries such as biosafety and pharmaceutical production.