All sorts of spaces can benefit greatly from the top-tier services delivered by Greater Flint Janitorial Services. It’s a simple fact that clean environments are healthy environments, and clean environments are exactly what we provide. We’ve been dedicated to cleaning since 1963. With the best equipment and supplies, including innovative 3M green cleaning products, backed up by a rock-solid commitment to old-fashioned hard work, our professional, uniformed staff can bring out the best in even the most well-traveled spaces. We offer complete facilities management for a vast array of clients: offices, factories, medical facilities, retail environments and schools..