I'm a jungle main and I play a lot of tanks and bruisers, 
with the two assassins in my pool being 
and 
.
I was looking for suggestions of champions to try based on my play style. I like to be the frontline that just wont die and I like to tank towers for my team after winning a team fight so that we can push without minions. Any suggestions would be appreciated.
These champions are either bruisers or tanks and have similar play styles to the ones you listed. All of them have CC and at least Maokai, Volibear and Malphite are all naturally tanky without much health built. I don't play much jungle myself, but if I was you I'd check these guys out.
do you only play jungle?
Farm your ult, with the update to it it is even better you can farm jung monsters or lane creeps with it and the cd is reduced with a successful ult. Because of the hp from it. 
then stack hp tank items and some ap items, you will be the God of cc tanks.
You're a tank main and you haven't played 
? She has the highest winrate of all tank junglers and has so much damage for a tank+tons of CC
