Logicon Inc., a subsidiary of Northrop Grumman Corp. in Los Angeles, is adding seven new vendors to the Integrated Computer Aided Software Engineering program known as I-CASE. The program provides federal agencies with a vehicle to buy operational, developmental, re-engineering, maintenance, and program-management software, as well as hardware and services at prices that are less than GSA rates. The new vendors are Informix, Computer Associates, Netscape, Datametrics, InfoTel, New Dimensions Software, and MB Solutions. - J.K.