Listed Alphabetically | Date of Signature |
| Active Angel Investors | December 26, 2006 |
| Alliance of Angels | February 5, 2025 |
| Angel Forum – Vancouver | June 4, 2010 |
| Angel Investor Forum | May 26, 2010 |
| Ariel Savannah Angel Partners | June 8, 2010 |
| Atacama Ventures Fund II, LLC | October 30, 2023 |
| Beacon Angels, LLC | November 6, 2006 |
| Boston Harbor Angels | November 6, 2006 |
| Boynton Angels | May 7, 2008 |
| Blue Angels (a/k/a SeaAhead, Inc.) | March 18, 2020 |
| Central Texas Angel Network | June 14, 2024 |
| Chemical Angel Network | May 23, 2023 |
| Cherrystone Angel Group | March 8, 2007 |
| Desert Angels | May 18, 2010 |
| eCoast Angels | July 11, 2022 |
| EOS Advisory LLP (UK) | February 20, 2021 |
| Fort Point Angels | March 25, 2013 |
| Frontier Angels | October 28, 2022 |
| Golden Seeds | November 6, 2006 |
| Granite State Angels | September 9, 2008 |
| HBS Alumni Angels Chicago | November 14, 2024 |
| Hub Angel Investment Group, LLC | July 24, 2012 |
| Investors’ Circle | February 9, 2025 |
| Keiretsu Forum Northwest & Rockies | October 10, 2023 |
| Landmark Angels, Inc. | June 10, 2009 |
| Launch Capital | February 19, 2010 |
| Launchpad Venture Group | January 9, 2007 |
| Maine Angels | July 6, 2011 |
| Mass. Technology Development Corp. | March 9, 2011 |
| Mid-Atlantic Bio Angels | May 30, 2012 |
| New World Angels, Inc. | May 25, 2010 |
| North Country Angels | September 9, 2008 |
| North Texas Angel Network | August 19, 2009 |
| Race Point Capital Group, LLC | June 2, 2010 |
| RiverValley Investors | January 9, 2007 |
| Robin Hood Ventures | April 15, 2010 |
| Rockies Venture Club (RVC) | April 18, 2025 |
| Rogue Venture Partners | April 27, 2022 |
| Sand Hill Angels XX, LLC | September 7, 2023 |
| Saratoga Venture Group LLC | September 4, 2020 |
| SideCar Angels I, LLC | September 26, 2012 |
| Sierra Angels | June 10, 2024 |
| StartUpNV | June 10, 2024 |
| SWAN Impact Network | October 14, 2025 |
| TBD Angels LLC | January 24, 2022 |
| TiE-Angels Boston | July 24, 2012 |
| Vancouver Angel Forum | June 4, 2010 |
| Valero Capital Partners II | August 4, 2016 |
| Walnut Ventures | January 23, 2020 |
| Veterinary Angel Network for Entrepreneurs (VANE) | January 17, 2023 |
| Wisconsin Investment Partners | June 2, 2009 |
| Women’s Capital Connection | May 12, 2010 |
| X-Squared Angels | January 10, 2013 |