AVL Tracking GPS Solution

I need a complete AVL solution, Fleet Management Software, under the best environments, to manage hundreds of trackers. We need a good structure since the gateway with a good system of queue for all the strings of data thats come in the system, for decoding.. I need a Web based Application and desktop application. User Level with setting permissions (roles, like some features or permission to see some vehicles…) - Google Maps, and others - Geo Fencing, Geo Coding and Reverse Geo Coding - Alerts on events by email -Mainteinance or list of all the services of the car. -alert for renewal services, like a insurance.. .Calculating the odomoter with the gps - Customisable reports, with export to excel … - Ability to use a number of devices with different communications protocols - GPRS and SMS commands Sending of data from device to server -Capacity for change the logo for differents companies. .Easy to install and the mainteinance. -Save histories, and routes. differents type of reports. Drivers, etc etc. Module of fuel sensor. We want to work with experimental GPS Tracking Developers, for long term and long relation, developers must have very good understanding of the product and AVL solutions. We have 10 differents trackers that need to add to the sofware. We need source code for the entire project (Required). Keywords : Geolocation, gps, gprs, mysql, php, ,linux Please send a formal propose with all your offer, this its very important for do the project. We accept more suggestions.