| Owner | Count | 1.
| Arzobispado de San Juan, San Juan, Puerto Rico | 9 | 2.
| Asa Packer Mansion, Jim Thorpe, Pennsylvania | 3 | 3.
| Asa Packer Park, Jim Thorpe, Pennsylvania | 1 | 4.
| Asay, John A., Mr & Mrs, Lake Pine, New Jersey | 3 | 5.
| Asbel, Joseph, Mr & Mrs, Richland, Michigan | 1 | 6.
| Asbill, Virginia Watson, Ridge Spring, South Carolina | 1 | 7.
| Asbury College, Wilmore, Kentucky | 1 | 8.
| Asbury, Loren, Ramona, Oklahoma | 1 | 9.
| Ascalon, Eric & Tanya, Berlin, New Jersey | 1 | 10.
| Ascension Manor, Philadelphia, Pennsylvania | 1 |
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