Koch companies entered the pulp industry in 2004, acquiring two mills and other assets from Georgia-Pacific Corp. In 2005, Koch Industries completed its $21 billion acquisition of Georgia-Pacific, which was the largest acquisition of a publicly traded company by a private firm in U.S. history. More than 75 Georgia-Pacific sites are certified under the U.S. OSHA Voluntary Protection Programs. Georgia-Pacific LLC, based in Atlanta, and its subsidiaries, have approximately 300 manufacturing facilities across North America, South America and Europe, ranging from large pulp, paper and tissue operations to gypsum plants, box plants and building products operations, and more than 40,000 employees worldwide. Georgia-Pacific’s familiar consumer brands in North America include Quilted Northern®, Angel Soft®, Brawny®, Sparkle® , Soft 'n Gentle®, Mardi Gras®, Vanity Fair®, and the Dixie® brand of tabletop products. The company’s leading European brands include Lotus®, Colhogar®, Delica®, Tenderly® and the Demak'Up® brand of facial cleansing products. The company also markets paper towel, napkin and soap dispensing systems used in commerical settings. Georgia-Pacific is the largest manufacturer of plywood in the U.S. The company’s packaging business is one of the country's largest suppliers of corrugated containers to manufacturers, and includes cellulose, bleached board and kraft operations. The building products businesses have long been among the nation’s leading suppliers to lumber and building materials dealers and large do-it-yourself warehouse retailers.