Anyone see Slab homes in Northwest Indiana? Issues? Common?

[Darren Day]

Anyone in the greater Northwest Indiana Region see many houses built on slabs?  Slab common in the area?  Any defects? Anyone know builders that do Slab in the area?  Lake County, Porter County, Merrillville, Hobart, Gary, Valparaiso, LaPorte, Michigan City, Munster, highland, griffith, crown point, Chesterton, Schererville, Hammond, 

Thanks!