I need to know the number of companies in Australia that have the
following number of  PC's/ Desk tops


100 -250 PC's/ Desk tops
251- 500 PC's/ Desk tops
501 -1000 PC's/ Desk tops
1001 plus PC's/ Desk tops 

I am not tottally married to these band and if you can provide similar
bands  that give me  good indication

I will also would like the names of the companies with which have over
500 pc and am happy to negotiate an extra payment fot these.

Dear Mr. broberts41-ga

I was able to locate a related information in 

Australian Bureau of Statistics
http://www.abs.gov.au

Search the website with the keyword: PC

Look for the document title:
Business Use of Information Technology, Preliminary, Australia

I couldn't provide you the link because, I think the server use a cookie.

And to have the complete statistics, you'll have to subscribe to this web services.

Google keyword:
pc australia +in number

hope that helps a bit,
ivles-ga