| Date | Year | Venue | City | Notes | Chair | Featured SU |
| 17-Sep | 1950 | Sherman Hotel | Chicago, IL | ATA Regional Convention; members from six states attended | ||
| Jan- Feb | 1950 | National Philatelic Museum | Philadelphia, PA | 200-frame noncompetitive topical stamp exhibition | ||
| March 2-4 | 1951 | Camden, NJ | ATA's Second Topical Exhibition, in conjunction with Sojex | |||
| June 20-22 | 1952 | Fort Stanwix Hotel | Johnstown, PA | Topex, first ATA National Convention & Exhibition | Homer L .Jones | |
| June 19-21 | 1953 | National Philatelic Museum | Philadelphia, PA | Topex, hosted by Museum and Philadelphia ATA Chapter #6 | William M. Wilson | |
| June 18-20 | 1954 | Miami Hotel | Dayton, OH | Topex, hosted by Dayton Philatelic Society | Carl Soendlin | |
| June 17-19 | 1955 | Hotel Orlando | Decatur, IL | Topex, hosted by Decatur Stamp Club | Dessie E. Bodamer | |
| June 15-17 | 1956 | Hotel Tuller | Detroit, MI | Topex, hosted by ATA Greater Detroit Chapter #14 | James C. Gardner | |
| June 14-16 | 1957 | Hamilton Hotel | Chicago, IL | Topex, hosted by ATA Chicagoland Chapter #15 | Joseph A. Hudec | |
| June 13-15 | 1958 | LaFayette Hotel | Little Rock, AR | Topex, hosted by Twin City Stamp Club | O. M. Blackford | |
| June 19-21 | 1959 | Sheraton McAlpin Hotel | New York, NY | Topex, 10th anniversary, hosted by ATA New York Area Chapter #3 and ATA New Jersey Chapter #17; first First Day of Issue ceremony, for the 14 denominations of postage due stamps (Scott J88-J101) | Leonard Helm | |
| June 17-19 | 1960 | Dykman Hotel | Minneapolis, MN | Topex, hosted by ATA Minneapolis Chapter #28 | Levi M. Hall | |
| June 16-18 | 1961 | Johnstown Masonic Temple | Johnstown, PA | Topex, hosted by Johnstown Stamp Club | Homer L. Jones | |
| June 15-17 | 1962 | Antlers Hotel | Colorado Springs, CO | Topex, hosted by Colorado Springs Stamp Club, Air Academy Stamp Association and Kit Carson Stamp Club | John H. Jeffus and | |
| June 13-15 | 1963 | Ramada Inn | Phoenix, AZ | Topex, hosted by Arizona Society of Topical Philatelists (ATA Chapter #13) | Robert E. Ditzler | |
| June 19-21 | 1964 | Walt Whitman Hotel | Camden, NJ | Topex, 15th anniversary, hosted by ATA Philadelphia Chapter #6; June 22 was "ATA Day" at the NY World's Fair | Melvin J. Andrews | |
| June 25-27 | 1965 | Aurora Hotel / Masonic Temple | Aurora, IL | Topex, hosted by ATA Aurora Topical Chapter #40 and Fox Valley Stamp Club | Ashton J. Humiston | |
| June 24-26 | 1966 | Cardinal Spellman Philatelic Museum/ Charter House Motel | Weston, MA | Topex, hosted by Cardinal Spellman Philatelic Museum | Arthur B. Crowell, Jr. | |
| June 23-25 | 1967 | Manger Hotel | Rochester, NY | Topex, hosted by Rochester Philatelic Society | Dorothy Fordham Smith | |
| June 21-23 | 1968 | Sheraton Schroeder Hotel | Milwaukee, WI | Topex, hosted by ATA Wisconsin Chapter #5. Canada Post operated a postal station. | Clarence Beltmann | |
| June 22-29 | 1969 | Sheraton-Chicago Motor Hotel | Chicago, IL | Topex, 20th anniversary, hosted by ATA Chicagoland Chapter #15 | Donald J. van Winter | |
| June 19-21 | 1970 | Paul Sauve Sports Centre | Montreal, QC, Canada | Topex, hosted by the Union Philatelique de Montreal; bilingual sessions | Clarence de Bellefeuille | |
| June 18-20 | 1971 | Onondaga County War Memorial | Syracuse, NY | Topex, hosted by Syracuse Stamp Club | Elsie P. Rose | |
| June 23-25 | 1972 | Falmouth High School | Falmouth, ME | Topex-Maipex, hosted by Maine Philatelic Society | Harold M. Karkos | |
| June 22-24 | 1973 | Denver Hilton Hotel | Denver, CO | Topex-Rompex, hosted by Rocky Mountain Philatelic Exhibition | Bruce Cary | |
| June 21-23 | 1974 | Flagship Hotel | Rochester, NY | Ropex-Topex, hosted by Rochester Philatelic Association | John H. Kalbfus | |
| June 27-29 | 1975 | Radisson Cornhusker Hotel | Lincoln, NE | Linpex-Topex, hosted by Lincoln Stamp Club (ATA Chapter #46) | Walter L. Knight | |
| June 4-6 | 1976 | Benjamin Franklin Hotel | Philadelphia, PA | In conjunction with Interphil '76 | ||
| June 17-19 | 1977 | Marriott Hotel | Dallas, TX | Topex, hosted by North Texas Philatelic Association. Theme: Six Flags Over Texas | Sam Wilkinson III | |
| June 23-27 | 1978 | Ocean One Motel | Atlantic City, NJ | Topex, hosted by Seashore Stamp Collectors Club | George Prague | |
| June 22-24 | 1979 | Ridpath Hotel | Spokane, WA | Topex, hosted by Inland Empire Philatelic Society | Al Seeber | |
| June 20-22 | 1980 | Holiday Inn | Portland, ME | Topex, hosted by Maine Philatelic Society | Earle C. Brooks | |
| June 27-28 | 1981 | Palmer House | Chicago, IL | Topex, hosted by ATA Chicagoland Chapter #15; first literature exhibit | Armin Kusswurm | |
| 5-Sep | 1982 | Hunt Valley Inn | Baltimore, MA | ATA Annual Meeting at Balpex (June 25-27 exhibition in Anaheim, Calif., canceled) | ||
| June 17-19 | 1983 | Four Seasons Hotel | San Antonio, TX | Texanex-Topex, hosted by San Antonio Philatelic Association | John Taddy | |
| June 15-17 | 1984 | Hilton Hotel | Lincoln, NE | Linpex-Topex, hosted by Lincoln Stamp Club (ATA Chapter #46) | Kenneth Pruess | |
| June 21-23 | 1985 | Riverside Hotel | Reno, NV | Nevpex-Topex, hosted by Nevada Stamp Study Society | Richard Dreiling | |
| May 30-Jun 1 | 1986 | Ramada O'Hare Hotel | Chicago, IL | In conjunction with Ameripex '86 | ||
| June 26-28 | 1987 | Radisson Hotel | Columbia, SC | Sepex-Topex, hosted by Columbia Philatelic Society, in conjunction with Southeastern Philatelic Exhibition | Harry McDowell | |
| June 17-19 | 1988 | Sheraton Centre | Toronto, ON, Canada | Topex, held in conjunction with the Canadian Stamp Dealers Association | Alan J. Hanks | |
| June 16-18 | 1989 | Ridpath Hotel | Spokane, WA | Topex, hosted by Inland Empire Philatelic Society; first to qualify for the APS World Series of Philately | Albert Seeber | |
| June 1-3 | 1990 | Omni Biltmore Hotel | Providence, RI | Topex-Ripex, hosted by Rhode Island Philatelic Society | Kenneth Woodbury | |
| June 21-23 | 1991 | Radisson Hotel | Aurora, CO | Topex, hosted by Topical Philatelists in Colorado. Theme: A Mile High Philatelic Experience | Donald G. Beuthel | |
| May 29-31 | 1992 | Radisson Suite Hotel | Rosemont, IL | In conjunction with World Columbian Stamp Exposition | ||
| June 25-27 | 1993 | Grand Milwaukee Hotel | Milwaukee, WI | Topex, hosted by Waukesha County Philatelic Society. Theme: Saluting America's Dairy Industry | Robert J. Mather | |
| June 17-19 | 1994 | Holiday Inn Central | Omaha, NE | Topex, hosted by Omaha Philatelic Society: Theme: Tribute to the Plains Indians | Robert C. Loeck | |
| July 7-9 | 1995 | Peppermill Hotel | Reno, NV | Topex-Nevpex, hosted by Nevada Stamp Study Society. | Ruthe Dreiling | |
| July 10-12 | 1996 | Medallion Hotel | Dallas, TX | Topex, hosted by the Southwest Philatelic Foundation, the Wineburgh Philatelic Research Library and 14 north Texas stamp clubs | Larry D. Sall | |
| June 6-8 | 1997 | King George Hotel / San Francisco Convention Center | San Francisco, CA | In conjunction with Pacific '97 | ||
| July 17-19 | 1998 | Fairview Park Marriott Hotel | Falls Church, VA | National Topical Stamp Show (NTSS); first show to be organized exclusively by ATA | David A. Kent | |
| July 30-Aug 1 | 1999 | Grand Milwaukee Hotel | Milwaukee, WI | 50th Anniversary of ATA | Robert J. Mather / Dorothy C. Smith | |
| June 16-18 | 2000 | Buffalo Convention Center / Hyatt Regency Buffalo | Buffalo, NY | David A. Kent | ||
| June 22-24 | 2001 | Sheraton Mesa Hotel and Convention Center | Mesa, AZ | Paul E. Tyler | ||
| June 21-23 | 2002 | Orlando Expo Convention Center / Orlando Marriott Downtown Hotel | Orlando, FL | Paul E. Tyler | ||
| June 27-29 | 2003 | Holiday Inn Hotel and Conference Center | Denver, CO | Robert J. Mather | ||
| June 11-13 | 2004 | Holiday Inn Select Memphis Airport | Memphis, TN | Ray E. Cartier | ||
| June 17-19 | 2005 | Four Points Sheraton | Milwaukee, WI | Robert J. Mather | ||
| May 27-Jun 3 | 2006 | Washington Convention Center | Washington, D.C. | In conjunction with Washington 2006 | ||
| June 15-17 | 2007 | Sheraton Grand Airport Hotel | Irving, TX | NTSS Theme: a western theme | Ray E. Cartier | |
| June 13-15 | 2008 | Monarch Hotel and Conference Center | Portland (Clackamas), OR | NTSS Theme: Discovery and Exploration | Robert J. Mather | |
| June 12-14 | 2009 | Dayton Convention Center / Crowne Plaza Dayton Hotel | Dayton, OH | NTSS Theme: Birthplace of Aviation | Robert J. Mather | |
| June 25-27 | 2010 | Crowne Plaza Denver Airport Hotel | Denver, CO | NTSS Theme: Pony Express | Robert J. Mather | |
| June 24-26 | 2011 | Sheraton Milwaukee Brookfield Hotel | Milwaukee, WI | NTSS Theme: Are You Wisconscious? | Robert J. Mather | SOSSI (Scouts on Stamps) |
| June 22-24 | 2012 | Lancaster Host Resort and Conference Center | Lancaster, PA | NTSS Theme: Lancaster: More than you Think | Robert J. Mather | Medical Subjects Unit |
| May 17-19 | 2013 | Rochester Main Street Armory/Quality Inn Airport | Rochester, NY | Joint show and exhibition with CANEJ approval, Ropex-NTSS | Thomas Fortunato / Jack André Denys | Casey Jones (Railroad) |
| June 27-29 | 2014 | Renaissance St. Louis Airport Hotel | St. Louis, MO | NTSS Theme: Gateway to Topicals | Gary G. Hendren | Americana |
| Jul 31-Aug 2 | 2015 | Monarch Hotel and Conference Center | Portland (Clackamas), OR | NTSS Theme: Trail to Topicals | Orlie Trier / Jack Congrove | Biology |
| May 28-Jun 4 | 2016 | Jacob Javits Convention Center | New York, NY | In conjunction with World Stamp Show-NY 2016 | ||
| June 23-25 | 2017 | Crowne Plaza Milwaukee Airport Hotel | Milwaukee, WI | NTSS Theme: Brewing up Topicals | John Hamman | |
| August 9-12 | 2018 | Greater Columbus Convention Center | Columbus, OH | In conjunction with APS: Here Be Dragons | John Hamman | Penguins |
| August 1-4 | 2019 | CHI Health Center | Omaha, NE | In conjunction with APS: Working Dogs | John Hamman | Cats |
| August 21-26 | 2020 | Cancelled due to Covid-19 pandemic | Held programs online via Zoom | Christmas | ||
| August 12-15 | 2021 | Rosemont Convention Center | Rosemont, IL | Great American Stamp Show: Come and Play with ATA | Bill DeWitt | Rotary |
| August 25-28 | 2022 | SAFE Credit Union Convention Center | Sacramento, CA | Great American Stamp Show: Panning for Topical Gold | Bill DeWitt | Astronomy / Armenica |
| August 10-13 | 2023 | Huntington Convention Center of Cleveland | Cleveland, OH | Great American Stamp Show: Guide to Topical Collecting (new database) | John Hamman | ESPER |
| August 15-18 | 2024 | Connetcticut Convention Center, Hall AB | Hartford, CT | Great American Stamp Show: 75th Anniversary of ATA | John Hamman | N/A |
| August 14-17 | 2025 | Renaissance Schaumburg Convention Center | Schaumburg, IL | Great American Stamp Show: | ||
| May 23-30 | 2026 | Boston, MA | World Stamp Show: Boston 2026 |