War by AEG has many, one moment and I'll list them and tell you about them.....
Beast Handler: Every army has beasts, either dogs to track and gaurd, or horses for the calvary. He can help them all.
Brute: Need to recruit the locals for your army? A Brute is great to head up the press gang. Plus they can hold their own in battle by destroying the enimies weapons, shields, and armor.
Elf Treerunner: Elf prestige class that is great in the forest gaining powers to travel through the trees and literally through the trees.
Epic Athlete: Seek physical perfection and the limelight at the same time. They are superior grabblers
Footman: THis is for small races like the goblin. THey learn to work together and use numbers more effectively.
Gutter Fighter: Anothyer small race class, this one specializes in fighting dirty against medium sized or larger humaniods.
Knight Chaplain: This is a knight order that specializes in healing. A very effective combat medic, but they don't lose much of their fighting ability. They aren't pacifists for instance.
Lancer: Pole Arm expert, nice, simple, and really cool
Mercenary Captain: All troops need leaders.....
Rake: Another swashbuckler variant
Sharpshooter: Expert Archer
Shield Bearer: type of body gaurd
Spellbreaker: usually dwarves, trained to battle mages
Wandering Squire: Good with the staff.
Warleader: Another leader prestige class
Warmage: basically what you expect
Wild Rider: think cavilier without discipline
THis whole book is about War, which does involve the military so it may be of some use to you.