| 126 | 2007 | August 9-12 | St. Louis, Missouri | 126th Proceedings |
| 127 | 2008 | August 7-10 | Peabody, Massachusetts | 127th Proceedings |
| 128 | 2009 | August 13-16 | Louisville, Kentucky | 128th Proceedings |
| 129 | 2010 | August 12-15 | Overland Park, Kansas | 129th Proceedings |
| 130 | 2011 | August 11-14 | Reston, Virginia | 130th Proceedings |
| 131 | 2012 | August 9-12 | Los Angeles, California | 131st Proceedings |
| 132 | 2013 | August 9-12 | Brookfield, Wisconsin | 132nd Proceedings |
| 133 | 2014 | August 14-17 | Marietta, Georgia | 133rd Proceedings |
| 134 | 2015 | August 19-23 | Richmond, Virginia | 134th Proceedings |
| 135 | 2016 | August 11-14 | Springfield, Illinois | 135th Proceedings |
| 136 | 2017 | August 10-13 | Lansing, Michigan | 136th Proceedings |
| 137 | 2018 | August 9-12 | Framingham, Massachusetts | 137th Proceedings |
| 138 | 2019 | August 8-11 | Independance, Ohio | 138th Proceedings |
| 139 | 2020 | October 24 | Virtual (Atlanta, Georgia) | 139th Proceedings |
| 140 | 2021 | August 5-7 | St. Louis, Missouri | 140th Proceedings |
| 141 | 2022 | August 11-13 | Grand Rapids, Michigan | 141st Proceedings |
| 142 | 2023 | August 3-5 | Nashua, New Hampshire | 142nd Proceedings |
| 143 | 2024 | | | |
| 144 | 2025 | | | |
| 145 | 2026 | | | |
| 146 | 2027 | | | |
| 147 | 2028 | | | |
| 148 | 2029 | | | |
| 149 | 2030 | | | |
| 150 | 2031 | | | |
