| Pinnacle Research Group, LLC | Anniston | Alabama | 36207 | - |
| University of Alabama at Birmingham | Birmingham | Alabama | 35249 | - |
| Heart Center Research, LLC | Huntsville | Alabama | 35801 | - |
| University of California San Francisco | Fresno | California | 93701 | - |
| La Mesa Cardiac Center | La Mesa | California | 91942 | - |
| Purushotham, Akther & Roshan Kotha, MD Inc. | 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 | - |
| Valley Clinical Trials, Inc. | Northridge | California | 91325 | - |
| University of California Irvine | Orange | California | 92865 | - |
| Covigilant Research, LLC | Riverside | California | 92506 | - |
| University of California San Francisco | San Francisco | California | 94143 | - |
| 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 | - |
| Southeast Clinical Research, LLC | Chiefland | Florida | 32626 | - |
| Morton Plant Mease Health Care | Clearwater | Florida | 33756 | - |
| Accel Research Sites | DeLand | Florida | 32720 | - |
| 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 | - |
| Elite Clinical Research | Miami | Florida | 33144 | - |
| Orlando Health Inc. | Orlando | Florida | 32806 | - |
| Peninsula Research, Inc. | Ormond Beach | Florida | 32174 | - |
| Clearwater Cardiovascular Consultants | Safety Harbor | Florida | 34695 | - |
| Sarasota Memorial Hospital | Sarasota | Florida | 34239 | - |
| Advent Health Medical Group | Tampa | Florida | 33613 | - |
| University of South Florida | Tampa | Florida | 33606 | - |
| Grady Clinical Research Center | Atlanta | Georgia | 30303 | - |
| Columbus Regional Research Institute | Columbus | Georgia | 31904 | - |
| Cardiovascular Group PC | Lawrenceville | Georgia | 30046 | - |
| Meridian Clinical Research, LLC | Savannah | Georgia | 31406 | - |
| Atlanta Heart Specialists, LLC | Tucker | Georgia | 30084 | - |
| Northwest Heart Clinical Research, LLC | Arlington Heights | Illinois | 60005 | - |
| Mount Sinai Hospital | Chicago | Illinois | 60608 | - |
| Advocate Health and Hospitals Corporation | Naperville | Illinois | 60540 | - |
| 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 | - |
| Iowa Heart Center | Des Moines | Iowa | 50314 | - |
| Norton Heart Specialists | Louisville | Kentucky | 40202 | - |
| Research Integrity, LLC | Owensboro | Kentucky | 42303 | - |
| Grace Research, LLC | Bossier City | Louisiana | 71111 | - |
| Clinical Trials of America, LLC | Monroe | Louisiana | 71201 | - |
| LSU Health Sciences Center | New Orleans | Louisiana | 70112 | - |
| Maine Research Associates | Lewiston | Maine | 04240 | - |
| Anne Arundel Medical Center | Annapolis | Maryland | 21401 | - |
| Maryland Cardiovascular Specialists | Baltimore | Maryland | 21229 | - |
| MedStar Health Research Institute | Baltimore | Maryland | 21237 | - |
| Metropolitan Cardiovascular Consultants | Beltsville | Maryland | 20705 | - |
| MD Medical Research | Oxon Hill | Maryland | 20745 | - |
| Massachusetts General Hospital | Boston | Massachusetts | 02114 | - |
| Tufts Medical Center | Boston | Massachusetts | 02111 | - |
| East Mountain Medical Associates, PC | Great Barrington | Massachusetts | 01230 | - |
| Alpena General Hospital | Alpena | Michigan | 49707 | - |
| McLaren Northern Michigan Hospital | Petoskey | Michigan | 49770 | - |
| Regions Hospital | Saint Paul | Minnesota | 55101 | - |
| Jackson Heart Clinic, P.A. | Jackson | Mississippi | 39216 | - |
| Saint Luke's Hospital of Kansas City | Kansas City | Missouri | 64111 | - |
| Saint Louis University | St Louis | Missouri | 63110 | - |
| St. Louis Center for Clinical Research | St Louis | Missouri | 63128 | - |
| St. Louis Heart and Vascular, P.C. | St Louis | Missouri | 63136 | - |
| Deaconess Billings Clinic Research Center | Billings | Montana | 59101 | - |
| Bozeman Health Clinical Research | Bozeman | Montana | 59718 | - |
| Nebraska Heart Institute | Grand Island | Nebraska | 68803 | - |
| CHI Health Midlands | Papillion | Nebraska | 68046 | - |
| Healthcare Partners LLC | Las Vegas | Nevada | 89109 | - |
| Palm Research Center | Las Vegas | Nevada | 89128 | - |
| Advanced Heart Care, LLC | Bridgewater | New Jersey | 08807 | - |
| Garden State Heart Care, PC | Manalapan | New Jersey | 07726 | - |
| Capital Cardiology Associates, PC | Albany | New York | 12211 | - |
| Trinity Medical WNY, PC | Cheektowaga | New York | 14227 | - |
| North Shore University Hospital | Manhasset | New York | 11030 | - |
| Long Island Cardiovascular Consultants | New Hyde Park | New York | 11042 | - |
| Harlem Cardiology | New York | New York | 10035 | - |
| Mount Sinai - PRIME | New York | New York | 10025 | - |
| Laurelton Heart Specialist, PC | Rosedale | New York | 11422 | - |
| Saratoga Clinical Research, LLC | Saratoga Springs | New York | 12866 | - |
| Northwell Health | Southampton | New York | 11968 | - |
| Stony Brook University Medical Center | Stony Brook | New York | 11794 | - |
| Cardiac Care and Vascular Medicine, PLLC | The Bronx | New York | 10469 | - |
| CHEAR Center LLC | The Bronx | New York | 10455 | - |
| 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 | - |
| Clinical Research of Gastonia | Gastonia | North Carolina | 28054 | - |
| Clinical Trials of America, Inc | Lenoir | North Carolina | 28645 | - |
| VA Northeast Ohio Healthcare System | Cleveland | Ohio | 44104-1702 | - |
| Rama Research LLC | Marion | Ohio | 43302 | - |
| South Oklahoma Heart Research Group | Oklahoma City | Oklahoma | 73135 | - |
| Doylestown Health Cardiology | Doylestown | Pennsylvania | 18901 | - |
| Lycoming Internal Medicine, Inc | Jersey Shore | Pennsylvania | 17740 | - |
| Richard M Kastelic and Associates | Johnstown | Pennsylvania | 15905 | - |
| York Hospital, WellSpan Health | York | Pennsylvania | 17403 | - |
| Lowcountry Center for Veterans Research | Charleston | South Carolina | 29401 | - |
| Palmetto Health | Columbia | South Carolina | 29203 | - |
| Clinical Research of Rock Hill | Rock Hill | South Carolina | 29732 | - |
| Palmetto Research Center, LLC | Spartanburg | South Carolina | 29302 | - |
| Sanford Research | Sioux Falls | South Dakota | 57104 | - |
| The Stern Cardiovascular Center | Germantown | Tennessee | 38138 | - |
| Apex Cardiology/ Research Associates of Jackson | Jackson | Tennessee | 38301 | - |
| Methodist University Hospital | Memphis | Tennessee | 38104 | - |
| Seton Heart Institute | Austin | Texas | 78705 | - |
| 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 | - |
| University of Texas Medical Branch at Galveston | Galveston | Texas | 77555 | - |
| Angiocardiac Care of Texas | Houston | Texas | 77025 | - |
| Biopharma Informatic, Inc. Research Center | Houston | Texas | 77084 | - |
| The Methodist Hospital | Houston | Texas | 77030 | - |
| Private Practice Leadership, LLC | Katy | Texas | 77493 | - |
| Baylor Scott and White Health | Plano | Texas | 75024 | - |
| Alpine Research Organization | Farmington | Utah | 84025 | - |
| Cardiac Health Management Network, P.C. | Chester | Virginia | 23836 | - |
| Cardiology Consultants of Danville, Inc | Danville | Virginia | 24541 | - |
| Carient Heart and Vascular | Manassas | Virginia | 20109 | - |
| Hunter Holmes McGuire VA Medical Center | Richmond | Virginia | 23249 | - |
| Medical College of Virginia Hospitals | Richmond | Virginia | 23298 | - |
| Roanoke Heart Institute PLC | Roanoke | Virginia | 24014 | - |
| Salem VA Medical Center | Salem | Virginia | 24153 | - |
| Virginia Mason Medical Center | Seattle | Washington | 98101 | - |
| Cardiology Associates of Bellin Health | Green Bay | Wisconsin | 54301 | - |
| Meriter Wisconsin Heart | Madison | Wisconsin | 53713 | - |
| Marshfield Clinic | Marshfield | Wisconsin | 54449 | - |
| Aspirus Research Institute | Wausau | Wisconsin | 54401 | - |