HAUG GmbH is the world's largest manufacturer of diagram charts and digital tachograph rolls.

Since 1935 HAUG GmbH manufactures diagram charts in Germany.

Our know-how together with a quality management system certified according to  ISO 9001, homologations by EC and non-EC authorities as well as approvals by the automotive industry assure our customers of highest quality at favourable prices.

Worldwide distribution of HAUG Diagram Charts® is organized through authorized dealers, manufacturers of utility vehicles and tachograph systems as well as wholesalers and associations.


High quality HAUG Diagram Charts® are protected against piracy by reliable product codes by means of which each production lot can be clearly identified and traced back. Boxes have a safety seal guaranteeing original packing and codes for modern cash systems.