Knauf Digital | 7,586 followers on LinkedIn. The Knauf Group today is one of the leading companies in the building materials industry: 300 plants, 41,500 employees, and annual sales of 15,4 billion Euro. The basis for the success of the family-run Company founded in 1932 are our values of Menschlichkeit, Partnership, Commitment, and Entrepreneurship. Knauf sets the benchmark for gypsum-based products and systems, for energy-efficient insulation materials as well as for market development and customer orientation.