Luminous Co offers SEO services such as directory submissions, article marketing, social bookmarks and more. The website gives useful details about manual directory submissions. The site guides a reader thru the different stages of the service.

GetLinksPro are directory submission company providing manual submission service to free web directories.

Directory Maximizer offers manual submissions to an evolving list of search engine friendly web directories. Affordable pricing, LIVE reporting features & slow submissions are a few of their service highlights.