Dewhit Facility Services has 35 years of experience delivering exceptional janitorial, specialty cleaning, related support an ... d general maintenance services to a wide range of industries and organizations. DeWhit is dedicated to quality, customer service, and satisfaction at every level. Exceptional facility support is our standard. As the only minority owned ISO-certified janitorial service provider in the Carolinas, we are uniquely positioned to offer the best in commercial and industrial cleaning and facility services while maximizing quality, safety, technical, and regulatory compliance considerations. DeWhit holds ISO 9001:2015, ISSA CIMS-GB, CVMSDC, MBE, and HUB certifications. We provide services for pharma, biotech, manufacturing, automotive, aviation, communications, construction, education, government, property management, research and development, FDA, GMP, GLP regulated facilities, and a host of other related industries, agencies, and organizations. read more