The Shannon S. Martin Company, founded in 1995, provides Commercial Janitorial Service and Construction Clean-Up for a variet ... y of industries: medical offices, data centers, schools, municipalities, professional offices, restaurants, parks and recreation facilities. Proud members of the ISSA - The Worldwide Cleaning Industry Association, National Association of Women in Construction, Arizona Small Business Administration, and the Better Business Bureau. WBE, DBE, and SBE certified. read more