The STM Systems Corp subsidiary of International Semi-Tech Microelectronics Inc in Markham, Ontario has consolidated its position as the leading information technology services company in Canada with signing of final closing documents for the purchase of Manitoba Data Services from the Government of Manitoba in a deal put at over $150m; as well as paying $18.3m for the shares, terms call for STM Systems to establish STM Investments (Manitoba) Ltd with initial funding of $1m to invest in small Manitoba information technology companies; and $220m-a-year STM will also construct a Systems Integration Centre of from 80,000 and 100,000 square feet in the Winnipeg area.