Yes, all of the "bull bars" that I have seen bolt in to the place where the tow hooks mount.
Fwiw: I build a bumper with a grill guard. I had my sister back up into it at 15mph and it didn't do anything. Then the next day I hit a 175lb wild boar with it going 65mph. Threw off my aliment a bit but the bumper and the jeep is fine. I have less than a hundred in my bumper. I weld but you should be able to get a fabricator to make you one for around $500 (us) or so.
Sent with the power of children's screams!!