| La Mesa Cardiac Center | La Mesa | California | 91942 | - |
| Long Beach Center for Clinical Research | Long Beach | California | 90807 | - |
| VA Greater Los Angeles Healthcare System | Los Angeles | California | 90073 | - |
| Merced Vein and Vascular Center | Merced | California | 95340 | - |
| University of California Irvine | Orange | California | 92865 | - |
| Covigilant Research, LLC | Riverside | California | 92506 | - |
| University of California | Torrance | California | 90502 | - |
| Orange County Research Center | Tustin | California | 92780 | - |
| Blue Coast Cardiology | Vista | California | 92083 | - |
| South Denver Cardiology Associates, PC | Littleton | Colorado | 80120 | - |
| Integrated Heart Care | Boca Raton | Florida | 33434 | - |
| Morton Plant Mease Health Care | Clearwater | Florida | 33756 | - |
| Nature Coast Clinical Research | Crystal River | Florida | 34429 | - |
| Avail Clinical Research, LLC | DeLand | Florida | 32720 | - |
| Holy Cross Hospital | Fort Lauderdale | Florida | 33308 | - |
| Integrative Research Associates | Fort Lauderdale | Florida | 33312 | - |
| Nature Coast Clinical Research | Inverness | Florida | 34452 | - |
| East Coast Institute for Research, LLC | Jacksonville | Florida | 32216 | - |
| Jacksonville Center for Clinical Research | Jacksonville | Florida | 32216 | - |
| Cardiovascular Research Center of South Florida | Miami | Florida | 33173 | - |
| Peninsula Research, Inc. | Ormond Beach | Florida | 32174 | - |
| Cardiology Consultants, Inc | Pensacola | Florida | 32501 | - |
| Sarasota Memorial Hospital | Sarasota | Florida | 34239 | - |
| Grady Clinical Research Center | Atlanta | Georgia | 30303 | - |
| Augusta University | Augusta | Georgia | 30912 | - |
| Columbus Regional Research Institute | Columbus | Georgia | 31904 | - |
| Cardiovascular Group PC | Lawrenceville | Georgia | 30046 | - |
| Meridian Clinical Research, LLC | Savannah | Georgia | 31406 | - |
| Northwest Heart Clinical Research, LLC | Arlington Heights | Illinois | 60005 | - |
| University of Chicago | Chicago | Illinois | 60637 | - |
| Captain James A. Lovell Federal Health Care Center | North Chicago | Illinois | 60064 | - |
| Rockford Cardiovascular Associates | Rockford | Illinois | 61107 | - |
| Midwest Cardiovascular Research and Education Foundation | Elkhart | Indiana | 46514 | - |
| St. Francis Medical Group-Indiana Heart Physicians, Inc | Indianapolis | Indiana | 46237 | - |
| Reid Hospital | Richmond | Indiana | 47374 | - |
| Beacon Medical Group Clinical Research | South Bend | Indiana | 46601 | - |
| Research Integrity, LLC | Owensboro | Kentucky | 42303 | - |
| Cambridge Medical Trials | Alexandria | Louisiana | 71301 | - |
| Louisiana Heart Center | Covington | Louisiana | 70433 | - |
| Clinical Trials of America, LLC | Monroe | Louisiana | 71201 | - |
| Tulane University Hospital and Clinic | New Orleans | Louisiana | 70112 | - |
| Anne Arundel Medical Center | Annapolis | Maryland | 21401 | - |
| Johns Hopkins University Hospital School of Medicine | Baltimore | Maryland | 21205 | - |
| MedStar Health Research Institute | Baltimore | Maryland | 21237 | - |
| Metropolitan Cardiovascular Consultants | Beltsville | Maryland | 20705 | - |
| Spectrum Clinical Research | Towson | Maryland | 21204 | - |
| Tufts Medical Center | Boston | Massachusetts | 02111 | - |
| East Mountain Medical Associates, PC | Great Barrington | Massachusetts | 01230 | - |
| Alpena General Hospital | Alpena | Michigan | 49707 | - |
| Regions Hospital | Saint Paul | Minnesota | 55101 | - |
| Saint Louis University | St Louis | Missouri | 63110 | - |
| SLHV | St Louis | Missouri | 63136 | - |
| Palm Research Center | Las Vegas | Nevada | 89148 | - |
| Advanced Heart Care, LLC | Bridgewater | New Jersey | 08807 | - |
| Trinity Medical WNY, PC | Cheektowaga | New York | 14227 | - |
| Northwell Health | Great Neck | New York | 11021 | - |
| Mount Sinai School of Medicine | Lake Success | New York | 11041 | - |
| Harlem Cardiology | New York | New York | 10035 | - |
| St. Luke's Roosevelt Hospital | New York | New York | 10025 | - |
| Stony Brook University Medical Center | Stony Brook | New York | 11794 | - |
| Cardiac Care and Vascular Medicine, PLLC | The Bronx | New York | 10469 | - |
| Asheville Cardiology Associates | Asheville | North Carolina | 28803 | - |
| Kernodle Clinic West | Burlington | North Carolina | 27215 | - |
| The University of North Carolina at Chapel Hill | Chapel Hill | North Carolina | 27599-5021 | - |
| Novant Health Heart and Vascular Institute | Charlotte | North Carolina | 28204 | - |
| Duke University Medical Center | Durham | North Carolina | 27609 | - |
| Clinical Research of Gastonia | Gastonia | North Carolina | 28054 | - |
| Clinical Trials of America, Inc | Lenoir | North Carolina | 28645 | - |
| Rama Research LLC | Marion | Ohio | 43302 | - |
| University of Toledo | Toledo | Ohio | 43614 | - |
| South Oklahoma Heart Research Group | Oklahoma City | Oklahoma | 73135 | - |
| Doylestown Health Cardiology | Doylestown | Pennsylvania | 18901 | - |
| York Hospital, WellSpan Health | York | Pennsylvania | 17403 | - |
| AnMed Health Clinical Research | Anderson | South Carolina | 29621 | - |
| Ralph H. Johnson VA Medical Center | Charleston | South Carolina | 29401 | - |
| Palmetto Health | Columbia | South Carolina | 29203 | - |
| William Jennings Bryan Dorn VA Medical Center | Columbia | South Carolina | 29209 | - |
| Clinical Research of Rock Hill | Rock Hill | South Carolina | 29732 | - |
| Palmetto Research Center, LLC | Spartanburg | South Carolina | 29302 | - |
| Methodist University Hospital | Memphis | Tennessee | 38104 | - |
| Baylor Heart and Vascular Hospital | Dallas | Texas | 75226 | - |
| Soltero Cardiovascular Research Center | Dallas | Texas | 75226 | - |
| University of Texas Southwestern Medical Center | Dallas | Texas | 75390-8837 | - |
| University of North Texas Health Science Center | Fort Worth | Texas | 76107 | - |
| The Methodist Hospital | Houston | Texas | 77030 | - |
| The Heart Hospital | Plano | Texas | 75093 | - |
| Alpine Research Organization | Farmington | Utah | 84025 | - |
| Cardiac Health Management Network, P.C. | Chester | Virginia | 23836 | - |
| Hunter Holmes McGuire VA Medical Center | Richmond | Virginia | 23249 | - |
| Roanoke Heart Institute PLC | Roanoke | Virginia | 24014 | - |
| Salem VA Medical Center | Salem | Virginia | 24153 | - |
| Marshfield Clinic | Marshfield | Wisconsin | 54449 | - |