Ahern Fire Protection offers a range of fire protection services, such as the installation of fire sprinklers, detection systems and fire extinguishers. Additionally, it offers a full range of kitchen hood suppression services. Ahern Fire Protection specializes in heat and smoke detection and suppression with foam water, dry chemical and water mist systems. It is affiliated with the Fire Suppression Systems Association, the National Association of Fire Equipment Distributors and the National Fire Sprinkler Association. Ahern Fire Protection is a division of J. F. Ahern, one of the leading mechanical and fire protection contractors in the United States. J. F. Ahern is a privately held company, headquartered in Fond du Lac, Wis., and has offices throughout the Midwest, including a branch in St. Louis.