I started off looking for SFR deals locally and given my experience, my full time business demands (running a green directory publishing company) and disinterest in being either a rehabber or a landlord, I finally gave up after several years of not pulling the trigger.  

Here's our directory of Online Property Management Software.Check them out to see which would be the best fit for you or ask here about specific ones (there are probably threads about them already, though).

Joel -We've got a directory of tools to let your tenantspay rent online.

You can always click on the network tab, you will find a HML directory! 

If you aren't getting answers there, find out who the director is and get him/her on the phone or send an e-mail.  

Check the membership directory and go down the list.

From the state by state directory:"The foreclosure notice must be recorded with the county prior to the time the first notice of foreclosure is published.

Notice too, they have a directory of lawyers and accountants to the left on the page.Since you are really selling a business with a real estate component, you might also check some hotel trade groups for a recommendation.

BiggerPockets maintains a directory of clubs.

You can start by going to www.narpm.org and search their directory of managers.