Vegetarian Restaurants - HappyCow.net has created VegiMaps for every US state.
Top High Schools - Virender Ajmani maps out Newsweek's Top 100 high schools.
Warranty Service Dealers - WarrantyMap.com maps out places to get service for your warranty by zip code. Includes a push to call Skype button that dials an 800 number! [via]
Pricing for hospital procedures - Healthia.com search results mapped by zip code and distance you're willing to travel. [via]
House Values and Sold Homes - Wikibroker.com Google Maps their database.
Real Estate - Emongoo.com lets you filter your search across the US.
Movers - Movescope lets you post your move details and receive bids. [via]