haven't fiddled with this in forever but i had a need recently to find all the 'ingles' supermarkets. so i simply went out to the company site and got an address list. manually cleaned it up a little bit with some fancy search and replace and then had a tsv basically.
went out to google maps to see what i needed. obviously not an address list. found that it wanted kml or georss or something. quick search turned up this great page at http://www.batchgeocode.com/ which will allow you to put in a simple tsv (or | delim'd) set of data with...