CleanOffice / PorterPlus+ is a full-service commercial janitorial service-provider that supports the entire DC Metro region. ... Over our 19 year history we developed internal service offerings to effectively support commercial, multi-family, retail and special use clients across the metro area. CleanOffice has established itself as a leader in green cleaning by completing its GreenSeal GS-42 certification in 2009. In addition, CleanOffice's GreenZone program was recognized by the Washington Business Journal in 2010 as a finalist in it's Green Business Awards Program. Our new service program, PorterPlus, focuses on providing a wide-variety of Porter Services and Special Project Capabilities to the following work environments. High Rise Condo Garden Condo Garden Apartments Retail/Strip Centers Data Centers Churches/Schools Automotive Secure Facilities Industrial Parks / Flex Space read more