I would recommend trying to get citations and / or links from all kinds of local directories based on your niche. For local rankings, citations are pretty useful as well. It really depends what your niche is to think of other ideas, but local business, schools, libraries etc are all good opportunities worth pursuing depending what kind of business we are talking about.
Also think about local events, sponsorships and donations possibly. I would also recommend the following articles:
http://searchengineland.com/10-unorthodox-ideas-for-local-citations-links-77468
http://www.seomoz.org/blog/google-places-citations-5-tactics-to-earn-links-for-your-local-business