I believe that you have already known the importance of submitting your web site to the search engine. For the same reasons, you should submit your business blog to the Blog Search Engines as well. Below are about 50 blog search engines I collected.
2RSS.com Authors' Blogs Blawg Blog Flux Blog Rankings Blog Search Engine BlogCatalog Blogdigger blogdir.com Bloggernity BlogHop Blogpulse BlogStreet Blogz Blurt it! Boing Boing Chordata Contents Matter Emarketingblogs.com Feed24 Feeds4all.com feedsfarm.com Genecast GetBlogs Globe of Blogs IceRocket Library Weblogs LS Blogs LS Blogs News Feeds Directories NewzAlert.com NYC Bloggers Photoblogs.org Photoblogs.org Ping-o-matic PLAZOO Podcast Alley Podcast Pickle Postami Blog Directory RDF Ticker Read A Blog RSS Network RSSfeeds.com SciencePORT Syndic8 Technorati The Open Directory Project The Truth Laid Bear The Weblog Review We Blog A Lot Wil's Domain Yahoo! Directory Yentra