| Item |
Nation |
Signing City/State |
Category |
Signing Date |
| 1 |
United States |
Jackson City , Mississppi State |
Sister City |
1983.4.11 |
| 2 |
United States |
East Orange City, New Jersey State |
Sister City |
1985.8.22 |
| 3 |
United States |
Juneau City, Alaska State |
Sister City |
1988.6.7 |
| 4 |
United States |
Murray City, Utah State |
Sister City |
1988.6.9 |
| 5 |
Republic of the Philippines |
Province of Bulacan |
Sister City |
1991.8.13 |
| 6 |
United States |
Syracuse City, New York State |
Sister City |
1995.11.16 |
| 7 |
United States |
Martinsburg City, West Virginia State |
Sister City |
1999.6.14 |
| 8 |
Republic of China |
Hsinchu City |
Sister City |
2002.10.9 |
| 9 |
Republic of China |
Miaoli Country |
Sister City |
2010.1.14 |
| 10 |
Japan |
Onomichi City , Hiroshima Prefecture |
Friendship City |
2016.12.22 |