Charles Knight asked to me to list some mobile search engines I have seen on the web :
Yahoo Mobile Search : Yahoo has created a mobile version of its search engine. However, it is not a simple copy. Results are totally differents. Search engine has a new interface and results are not only links.
Google Local : Google local is a mobile search engine which enables to find a service near your geographic position. Interface is minimalist but services are fast. Search results return name of the service, a phone number, address and a small google map.
Ask Mobile : a classical mobile search engine of Ask company. Choose your research type with your mobile phone touch number s(1:web search, 2:directions, 3:images…). Search results are accessible with mobile phone touch numbers too.
Msn mobile : the mobile search engine of Microsoft. Inteface is bigger thant other mobile search because you have a default information start page with Msn news, weather, sports information, money information and entertainment.
Picasa mobile : a mobile image search of Google company. Just write a name and the service returns to you thumbmails results. In results, you can have your favorite pictures.
Nuance : Nuance is a providing of speech and imaging solution for businesses and consumers around the world. Nuance Voice Search is a mobile voice search to use web search, music search and navigation solutions.
M-Spatial : M-Spatial mobile search is a local search, such as Google local. However, results are richer than Google Local (not only a text and small map).
Medio : a mobile search engine of the Medio company, specialized on mobile search and advertising.
Jumptap : a mobile search engine which includes wap sites, web sites and off-portal content.
4info : a mobile search engine specialized in SMS Search and alerts from Sport, Business, Travel and Entertainment fields.
Is their any b2b search engines or only mobile search engines you have in your data?