Apollo Computer Inc has a $3.5m 18-month contract to supply Northern Telecom Ltd with Series 3500 and Series 4500 workstations for computer-aided software engineering work at its Raleigh, North Carolina base; and in another bit of business in North Carolina, this time at Cary, Apollo is to supply 140 workstations to SAS Institute Inc, which plans to use them to build one of the largest workstation-based software development networks in the world; they will join 240 Apollo stations already being used to develop the SAS System; the value of the pact was not disclosed.