There are so many websites on the internet that it is hard not to find ways to build inbound links. Within your local community, there are always business groups, local directories and chambers of commerce to get a start with both in-person network and link building. From there, if you are a service provider of products you can look toward your suppliers or distributors for links to your websites.
Link: How Do SEO Companies Build Backlinks? We asked 28 of them.