In 1962 E. L Heymanson & Co. Pty Ltd. established representation for Control Data Corporation Equipment in Australia effective January 1st. Previously Heymanson represented Ramo-Wooldridge and Philco Computer Systems.  E. L Heymanson & Co. Pty Ltd main business was representing Lockheed Corporation. A 160A system shipped to Heymanson's office in Bank House, Bank Place and installed by John Barth from CDC.

The first sale in Australia was a CDC 160A for the PMG - Post Master General Research Laboratories located at 10 Lonsdale Street Melbourne. This later became Telecom Research Laboratories.

Then in 1963 Trevor Robinson established Control Data Australia Pty Ltd - incorporating the computer division of E. L. Heymanson & Co. Pty Ltd. The first CDA office was established at Suite 16, 474 St Kilda Road, Melbourne.

CDA was then awarded contracts for one CDC 3600 and seven CDC 3200 systems to be installed for the Australian Bureau of Census and Statistics and one CDC 3600 and three CDC 3200 systems for CSIRO. This was the largest order for Computer Equipment ever placed by the Australian Government.

From here CDA experienced enormous growth with large systems going to Bureau of Census and Statistics, CSIRO, Australian Taxation Office, RMIT, Monash University etc.

In 1989 CDA was purchased by Miden Pacific which eventually failed.

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