The Bull Ingenierie arm of Groupe Bull has signed a new $4m OEM contract Digital Communications Associates Inc’s Fox Research arm in Dayton, Ohio, for use of Fox’s 10-Net version 4.0 local area networking software to be used with the recently announced Micralnet B local area network: the contract relates in part to reselection of 10-Net in the French Direction Generale des Postes’ post office automation system, the Fox share of this business will be about $1.6m.