CHARLOTTE, N.C.–(BUSINESS WIRE)–Environmental Service Systems (ESS), a premier janitorial and facilities maintenance company, announced that it has been named a Corporate Plus® member by the National Minority Supplier Development Council (NMSDC). https://www.businesswire.com/news/home/20201109005849/en/Environmental-Service-Systems-Recognized-as-a-Corporate-Plus%C2%AE-Member-by-National-Minority-Supplier-Development-Council-NMSDC As the country’s leading organization for minority business development and supplier diversity, NMSDC recognizes businesses for their capacity for nationwide contracts, provides them…