Rainer Zellner

Mayr-Melnhof Holz Holding AG engages in the production and distribution of wood products for the construction industry. The firm operates saw mills and wood-processing plants. Its product portfolio includes sawn timber, glued laminated and cross-laminated timber, three-ply solid timber panels, profiled glulam panels, and glued lamella beams. The company was founded in 1850 and is headquartered in Leoben, Austria.

Constantia Packaging AG manufactures flexible packaging and corrugated cardboard. It produces primary aluminum, semi-finished aluminum products, plastic packaging, corrugated board base paper and corrugated board for the food, beverage, pharmaceutical, automotive and aerospace industries. The company is headquartered in Vienna, Austria.