Cleaning Topic: Learn About (os1) – 9/10/2019 Cleaning Industry Reps To Gather For Symposium CERTIFIED SUCCESS – June 2018 Cleaning Accreditation Boosts Professional Growth – June 2018 Getting Ahead Of Cleaning Business Competition – April 2011 Third-Party Green Certifications Lead To New Opportunities An overview of LEED AP, GS-42, CIMS-GB and (OS1) certifications CERTIFICATION – July 2008 Certifications For BSCs Elevating The Industry Third-party cleaning certifications growing in popularity among BSCs