Williamson County
- Marion, Veterans Administration Medical Center, Old State Route 13 West (HABS IL-1155)
- Marion, Veterans Administration Medical Center, Building No. 1, Old State Route 13 West (HABS IL-1155-A)
- Marion, Veterans Administration Medical Center, Building No. 2, Old State Route 13 West (HABS IL-1155-B)
- Marion, Veterans Administration Medical Center, Building No. 8, Old State Route 13 West (HABS IL-1155-C)
- Marion, Veterans Administration Medical Center, Building No. 13, Old State Route 13 West (HABS IL-1155-D)
- Marion, Veterans Administration Medical Center, Building No. 14, Old State Route 13 West (HABS IL-1155-E)
- Marion, Veterans Administration Medical Center, Building No. 15, Old State Route 13 West (HABS IL-1155-F)