The process of house leveling typically involves lifting the foundation using hydraulic jacks
http://foundation-repair-killeen-and-house-leveling-near-memhhr1715.trexgame.net/the-role-of-under-slab-plumbing-in-maintaining-a-stable-foundation
The process of house leveling typically involves lifting the foundation using hydraulic jacks and inserting shims or piers for proper support