You should create a list of targets. So where do you get the information?

Various databases can assist you when you are working the job market. The most effective and one that can shortcut the arduous task of determining the appropriate targets is the Dunn & Bradstreet list of 40,000 companies in Australia.
http://www.abnsearch.com.au/search.asp.

There are various other websites that you may use to research the companies if you have a lot of time.  These are listed below, some you will have to pay for, others you can easily log onto their website.

Copy and paste any interesting company names, addresses and executive names onto an excel spreadsheet to save you a lot of time. The alternative is to manually list down these details on a note pad.

Below are some favourites for you:
www.comfind.com - A global business directory
www.fortune500.com - Company information
www.idealist.org - 20,000 global non-profit and community organisations
www.asx.com - Australian Stock Exchange
www.nyse.com - NY Stock Exchange
www.ftse.com- London Stock Exchange
www.dax.com- German Stock Exchange