Accurate Fire Protection Systems designs, installs, inspects and maintains fire sprinkler systems for commercial, industrial and residential properties across metropolitan St. Louis and neighbouring Illinois. Its work covers wet, dry, pre-action and ESFR systems, as well as backflow testing, repairs and a 24-hour emergency service. The firm serves sites such as kitchens, freezers, libraries, data centres and facilities that handle flammable materials, and its sprinkler fitters are members of the Local 268 and 669 unions. It holds an Illinois State Fire Marshal Fire Sprinkler Contractor licence (FSC0474).