Founded in 1960, Service-Tech Corp. provides indoor air quality and industrial cleaning services. Franchisees clean and sanitize; apply anti-microbial coating to prevent mold, mildew and bacteria growth; inspect; and change and clean filters in heating, ventilating and air condition systems. The company also cleans interior exhaust systems, industrial ovens, light fixtures, roof ventilators and fans, and performs additional specialty cleaning services for different industries.