There is a hot topics thread posted at the top of the forum with a link to discussion on how to get a map listing. It sounds like you are referring to: https://www.google.com/local/add/login
I see is not available for all countries. When you attempt to create your business you have to pick your country from a list and mine is not there. However I saw dozens of sites added in my country. I have no idea how they did and my impression is they didn't themselves.
[edited by: tedster at 6:49 pm (utc) on June 1, 2009]
