I would recommend you consult with local mechanics and dealer service managers. Nearly all repair garages utilize the software you are looking for and surely they can point you in the right direction.
Yes fleet software is a great way to organize your own fleet of ships you may own. I suggest using www.fleetmatrics.com it shows great fleet options you may have.
You can find more information on GPS fleet management software on the following site: http://www.gpsfleetsolutions.com/. They have great software.
Information concerning the maintenance of specific software can be found within or upon the software itself. Often, such information comes in the form of wordpad doc.
Although Telogis is only one company of many that sells fleet tracking software, this page they host gives an excellent overview of the types of features good fleet-tracking software offers and how it can benefit your business: http://www.telogis.com/solutions/fleet/
There are many, many companies that provide this kind of software, among other things that may help you. Try www.mtcpro.com, www.tatems.com, www.agilefleet.com, and www.managerplus.com.
Telogis has good information on their fleet tracking software here: http://www.telogis.com/solutions/fleet/ GPS Fleet solutions is also an affordable service: http://www.gpsfleetsolutions.com/
You can find plenty of information on fleet truck sales at GMC. You can also find fleet truck deals online at sites such as auto auction or fleet chrysler.
I could not find free MAC fleet software, You usually have to pay for those programs.
one find info about fleet management software by doing to engineering itself or ask a neighbor who does it or the internet that provide the sites for it to be fixed.
One can find helpful information about IT maintenance from IBM's official website. There one will find information on IT maintenance for different network devices.
You can find trucks from any manufacturer. But, if you want fleet trucks, you just have to purchase the proper software, and you install it into any truck.
To look further into information about fleet tracking, you could check out several websites online. You should be able to find a variety of information about fleet tracking from different types to advantages, etc. Try www.geotab.com