If you are runing a data recovery business, to make your website popular on the web, there are some important things to do, such as adding your website to related website directories. Here is a list of data recovery related directories:
Dmoz.org Directory
http://www.dmoz.org/Computers/Hardware/Storage/Data_Recovery/
Submit for free (Recommended)
Yahoo Directory
https://business.yahoo.com/category/Business_to_Business/Computers/Services/Data_Recovery
Yahoo directory is now linked to yahoo business. (Recommended)
Botw Directory
http://botw.org/top/Computers/Hardware/Data_Storage/Data_Recovery/
Submit for $299 one-time fee (Recommended)
JoeAnt.com Directory
http://www.joeant.com/DIR/cat/14573/Data_Recovery
Submit for $39.99 one-time fee
Ezilon Directory (United States Directory)
http://search.ezilon.com/united_states/computers/data_recovery/index.shtml
Whatuseek.com Directory
http://dir.whatuseek.com/Computers/Hardware/Storage/Data_Recovery
Alivedirectory.com Directory
http://www.alivedirectory.com/Computer/Hardware/Data_Recovery/
Some of the website directoris are free and others are not, the Dmoz, Yahoo and Botw diretory are recommend directories.