Cullinet Software Inc and Cadam Inc have signed for joint computer-integrated manufacturing marketing and development of their respective manufacturing products: the two are committed to create an interface that will allow Cadam attribute data to be exchanged with the Bill of Materials Module of the Cullinet Manufacturing System; the initial product is now being designed and a shipment date will be announced in mid-1988; Cadam Inc is a wholly-owned subsidiary of Lockheed Corp.