ACO Group global family enterprise Annual Building Drainage Conference ACO Thormannhalle, Rendsburg, Germany ACO Group strong and global family Enterprise ACO has a presence in over 40 countries, with a total of 29 production sites on four continents and a workforce of 3,900 people. This global network helps us ensure that we always see the markets from close up, through the eyes of our customers, and can serve both global and local companies. As a family enterprise, ACO can develop and implement long term strategies like HygieneFirst without bending to external pressure. Our success proves us right. Thanks to internationalization and diversification we can balance out large fluctuations in local construction sector markets and stabilize our expansion course. ACO stands for professional drainage, efficient cleaning and the controlled discharge or reuse of water. ACO is the future of drainage.