| Angell Animal Medical Center | 3 year | Katherine Hogan | Approved |
| Atlantic Coast Veterinary Specialists | 3 year | George Kramer | Approved |
| Atlantic Veterinary College, UPEI | 3 year | Etienne Côté | Approved |
| Auburn University | 3 year | Randolph Winter | Approved |
| BluePearl Sarasota | 2 year | Jennifer Mulz | Approved |
| BluePearl Veterinary Partners-Tampa | 3 year | Alan Spier | Approved |
| Bristol Veterinary Specialists | 3 year | Kieran Borgeat | Approved |
| Cardiology RTC Test Application | 1 year | Finn Ruehrdanz | Approved |
| Colorado State University | 3 year | Brian Scansen | Approved |
| Cornell University | 3 year | Romain Pariaut | Approved |
| CVCA Cardiac Care for Pets | 3 year | Sarah Lehman Holdt | Approved |
| CVCA Cardiac Care for Pets - Colorado | 3 year | Julia Shih | Approved |
| Desert Veterinary Medical Specialists | 3 year | Whit Church | Approved |
| Iowa State University College of Veterinary Medicine | 3 year | Kristen Poplawski | Approved |
| Langford Vets, University of Bristol | 4 year | Jessie Rose Payne | Approved |
| LMU University Munich | 4 year | Gerhard Wess | Approved |
| Louisiana State University School of Veterinary Medicine | 3 year | Henry Green | Approved |
| MedVet Columbus | 3 year | Thaibinh Nguyenba | Approved |
| MedVet Medical & Cancer Center for Pets (Cincinnati) | 3 year | Maggie Schuckman | Approved |
| Metropolitan Veterinary Hospital | 3 year | Lora Hitchcock | Approved |
| Michigan State University | 3 year | Nicholas Olivier | Approved |
| North Carolina State University | 3 year | Bruce Keene | Approved |
| Oregon State University, CVM | 3 year | Katherine Scollan | Approved |
| PetVet Care Centers | 2 year | Gianninne Bedoya Nader | Approved |
| Pittsburgh Veterinary Cardiology | 3 year | Eva Sikorska | Approved |
| Pulse Veterinary Specialists & Emergency | 3 year | Kimberley Hawkes | Approved |
| Purdue University | 3 year | Daniel Hogan | Approved |
| Red Bank Veterinary Hospital | 3 year | Katie Pesce | Approved |
| Sawgrass Veterinary Cardiology | 3 year | Dewey Carpenter | Approved |
| Texas A&M University | 3 year | Sonya Gordon | Approved |
| The Animal Medical Center | 3 year | Philip Fox | Approved |
| The Heart Vet, PLLC | 3 year | Eva Oxford | Approved |
| The Ohio State University | 3 year | Jaylyn Rhinehart | Approved |
| The Royal Veterinary College, University of London | 3 year | Virginia Luis Fuentes | Approved |
| Thrive North Scottsdale | 3 year | Matthew Miller | Approved |
| Tufts University Cummings School of Veterinary Medicine | 3 year | John Rush | Approved |
| University of California, Davis | 3 year | Allison Gagnon | Approved |
| University of California, Davis | 4 year | Allison Gagnon | Approved |
| University of Florida | 3 year | Michael Aherne | Approved |
| University of Georgia | 3 year | Amanda Coleman | Approved |
| University of Guelph | 3 year | Sonja Fonfara | Approved |
| University of Guelph | 4 year | Sonja Fonfara | Approved |
| University of Illinois | 3 year | Ryan Fries | Approved |
| University of Minnesota | 3 year | Allison Masters | Approved |
| University of Missouri | 3 year | Kelly Wiggen | Approved |
| University of Pennsylvania | 3 year | Marc Kraus | Approved |
| University of Tennessee | 3 year | Jonathan Abbott | Approved |
| University of Wisconsin | 3 year | Sonja Tjostheim | Approved |
| VCA West Los Angeles Animal Hospital | 3 year | Kirstie Barrett | Approved |
| Veterinary Cardiologists Australia | 3 year | Fiona Meyers | Approved |
| Virginia-Maryland College of Veterinary Medicine | 3 year | Sunshine Lahmers | Approved |
| Virginia-Maryland College of Veterinary Medicine | 6 year | Sunshine Lahmers | Approved |
| VRCC Cardiology | 3 year | Pamela Lee | Approved |
| Washington State University | 3 year | Ryan Baumwart | Approved |
