| 7220 | LIFE | A Horse Of Course, |
| 9567 | LIFE | ABBY WAY FARM, |
| 963 | LIFE | Abernathy, Tres |
| 1009 | LIFE | Abernathy, Jane |
| 1992 | 2018 | Aboody, Elizabeth |
| 16054 | 2018 | Acker, Courtney |
| 9285 | 2018 | Ackley, Danielle |
| 17047 | 2017 | Adams, Paige |
| 6304 | LIFE | Aetek Enterprises, |
| 5910 | LIFE | Agria Stables LLC, |
| 9778 | 2018 | Ahlers, Anna |
| 9642 | 2018 | Aiken, Lisa |
| 201817 | 2018 | Aiken, Gillian |
| 1936 | LIFE | Albertson, Tony |
| 10783 | 2017 | Albright, Olivia |
| 7320 | LIFE | Alden, Winn |
| 9955 | 2018 | Allen, Jane |
| 7142 | 2018 | Allen, Lauren |
| 17066 | 2017 | Alterson, Kayleigh |
| 7805 | 2018 | Amick, Dawson Alexander |
| 9977 | 2018 | Amy, Kayla |
| 9616 | 2017 | Amy, Jaylee Scott |
| 7642 | 2017 | Amy, Elaina Shea |
| 9865 | 2017 | Andersen, Marie |
| 9833 | 2017 | Andersen, Katrine |
| 16033 | 2017 | Anderson, Katie Grey |
| 16116 | 2017 | Anderson, Kristyn |
| 1946 | 2018 | Anderson, Katrine |
| 17070 | 2017 | Anderson, Carter |
| 9408 | 2017 | Angelino, Grace |
| 8882 | 2018 | Anthony, Avery |
| 17132 | 2018 | Antico, Sofia |
| 5570 | LIFE | Apex Equestrian Center, |
| 6368 | LIFE | Applewood Farms, |
| 6684 | LIFE | Aramburo Equestrian, |
| 2778 | LIFE | Arrow Course, Inc., |
| 17228 | 2018 | Asbill, Annie |
| 9855 | 2017 | Ashby, Leigh |
| 9854 | 2017 | Ashby, Erin |
| 9856 | 2017 | Ashby, Morgan |
| 9528 | 2018 | Ashe, Mackenzie |
| 5783 | LIFE | Autry, Vicki |
| 3302 | LIFE | Axle Run Farm, |
