Michigan Concrete Repair, Michigan's Premier Concrete Raising, Slab Jacking, and Mud Jacking Company. With over 20 years of concrete lifting experience in MI, Kent Concrete Raisings’ special process lifts and levels broken and uneven concrete to restoring integrity to sidewalks, driveways, patios, and porches, saving you up to 1/2 the cost of replacement. Don't delay! Let Kent repair your uneven concrete today!