National Directory
There are two options for adding your site to this very good directory. First, you can let them spider your site which is very easy. The second option is to go to the category you want to add you site to and then submit. In the second process your site is reviewed and then validated.

Nerd World
A complex form is used for adding sites. Nerdworld uses the standard bait of giving you better service if you add a link to them on your own site. The problem is that they require it on your homepage. We rarely recommend that this be done with minor engines. We suggest that you submit and see what happens.

The Net 1
This is a very positive search engine that you should be listed in. There are pay options as well as free options. Pay options will get you a hgiher ranking which is very important.

NetBreach
Family safe surfing is the rule here. To add you site simply select a category and enter it. The Add Link form is located within the categories. This is a good effort and justifies adding a link to it.

Net Buster
A newer search engine that is just starting to develop. They are requiring some level of payment either through a flat fee or a bid system. We always recommend that you ensure that traffic counts are strong before you decide to go this route.

Net Quantum
This is a good search engine that has much promise. Searches are good and the posting of sites is quick. Find the right category and then submit from within that area.

Net Search
Spider-based search engine that is very basic in design but has a very good database of sites. Submissions are as simply as adding your URL and email. Posts are done fairly quickly.