The German Celo GmbH concluded 2006 with a very good result. The member-owned company collectively recorded 19 per cent growth in purchasing volume. Centrally-regulated sales of this cooperative of small/medium-sized building and roofing materials firms grew more or less at the same rate in the fourth year of its existence. The partners of Celo GmbH represent 182 independent specialist dealers with 229 outlets located throughout Germany.