Northern Industrial Hygiene, Inc. (NIH) provides the highest quality asbestos, lead-based paint, indoor air quality, industrial hygiene, environmental, and laboratory services available in the states of Montana, Washington, Wyoming and Idaho. NIH staff includes Professional Engineers, Environmental Scientist, Industrial Hygienists, trained and accredited technicians, CADD Drafters, Laboratory analyst, and support staff. Our offices are located in Billings, and Helena, Montana and Burien, Washington, a suburb of Seattle.