Protoss: Colossi with Thermal Lance Upgrade or High Templar with Storms. Chargelots (Zealots with Charge Upgrade) as meatshield + some stalkers, sentries with Guardian Shield
Terran: Siege Tanks and Vikings. U need the Vikings to give Siege Tanks Vision since they can shoot further than they can actually see
Zerg: e.g. Banelings vs. Marines and Mutas to snipe Tanks. Of course some other stuff as meatshield too