A family-owned Michigan contractor trading since 1958, covering evaluation, engineering design, fabrication, installation and inspection of sprinkler, special hazard and detection systems on complex industrial work — aircraft hangars, power generation and mining among them. Its engineers sit on the NFPA 409, 415, 72, 850, 120 and 122 technical committees, and the firm is an active NFSA member with offices in Nevada and North Carolina alongside the Michigan base.