| Alabama Oncology | Birmingham | Alabama | 35243 | - |
| Central Alabama Research | Birmingham | Alabama | 35209 | - |
| Clinical Research Associates | Huntsville | Alabama | 35801 | - |
| Del Sol Research Management | Chandler | Arizona | 85224 | - |
| Honor Health | Scottsdale | Arizona | 85258 | - |
| Del Sol Research Management, | Tucson | Arizona | 85710 | - |
| Preferred Research Partners | Little Rock | Arkansas | 72211 | - |
| Highlands Oncology Group | Springdale | Arkansas | 72762 | - |
| Precision Research Institute | Chula Vista | California | 91910 | - |
| John Muir Health | Concord | California | 94520 | - |
| Carbon Health | Corona | California | 92883 | - |
| Miller Bioconnect | El Cajon | California | 92021 | - |
| Gastroenterology and Liver Institute | Escondido | California | 92025 | - |
| Women's Cancer Network | Fresno | California | 93710 | - |
| San Diego Clinical Trials | La Mesa | California | 91942 | - |
| Science 37 | Los Angeles | California | 90230 | - |
| Urology Alliance Clinical Research | Los Angeles | California | 90048 | - |
| Mercy Cancer Center | Merced | California | 95340 | - |
| Diverse Research Solutions | Oxnard | California | 93030 | - |
| Pomona Valley Hospital Medical Center/Cancer Care Center | Pomona | California | 91767 | - |
| St. Mary's Medical Center | San Francisco | California | 94117 | - |
| Dominican Hospital Dignity Health | Santa Cruz | California | 94520 | - |
| Stockton Hematology Oncology | Stockton | California | 95204 | - |
| Torrance Memorial Physician Network - Cancer Care | Torrance | California | 90505 | - |
| Gastroenterology Associates of Fairfield County | Bridgeport | Connecticut | 06606 | - |
| Eastern CT Hematology and Oncology Associates | Norwich | Connecticut | 06360 | - |
| Stamford Hospital | Stamford | Connecticut | 06902 | - |
| RecioMed Clinical Research | Boynton Beach | Florida | 33472 | - |
| Hillcrest Medical Research | DeLand | Florida | 32720 | - |
| Universal Axon Clinical Research | Doral | Florida | 33166 | - |
| Palmetto Research | Hialeah | Florida | 33016 | - |
| Clinical Research of Homestead | Homestead | Florida | 33030 | - |
| I.H.S Health, LLC | Kissimmee | Florida | 34741 | - |
| Mid Florida Hematology & Oncology Center | Orange City | Florida | 32763 | - |
| Advanced Gastroenterology Associates, LLC | Palm Harbor | Florida | 34684 | - |
| Emerald Coast OBGYN | Panama City | Florida | 32405 | - |
| Ascension Sacred Heart | Pensacola | Florida | 32504 | - |
| United Medical Research | Port Orange | Florida | 32127 | - |
| Charter Research | The Villages | Florida | 32162 | - |
| Morehouse School of Medicine | Atlanta | Georgia | 30310 | - |
| Crisp Regional Hospital | Cordele | Georgia | 31015 | - |
| Cancer Center of Middle Georgia (QCCA) | Dublin | Georgia | 31021 | - |
| Specicare | Gainesville | Georgia | 30501 | - |
| SpeciCare, Inc | Gainesville | Georgia | 30501 | - |
| University of Chicago | Chicago | Illinois | 60637 | - |
| Walgreens | Deerfield | Illinois | 60015 | - |
| Silver Cross Hospital and Medical centers | Orland Park | Illinois | 47006 | - |
| Advocate Lutheran General Hospital | Park Ridge | Illinois | 60068 | - |
| Rockford Gastroenterology | Rockford | Illinois | 61107 | - |
| Northwest Oncology & Hematology | Rolling Meadows | Illinois | 60008 | - |
| Springfield Clinic, LLP | Springfield | Illinois | 62702 | - |
| Margaret Mary | Batesville | Indiana | 47006 | - |
| Objective Health Network (Digestive Research Alliance of Michiana, LLC) | South Bend | Indiana | 46635 | - |
| Aton Health | Leawood | Kansas | 66211 | - |
| Ascension Via Christi Hospital, Wichita | Wichita | Kansas | 67214 | - |
| Ascension Via Christi Wichita | Wichita | Kansas | 67214 | - |
| Saint Joseph Cancer Center | Lexington | Kentucky | 40509 | - |
| Delta Research Partners | Bastrop | Louisiana | 71220 | - |
| New Orleans Research Institute | Metairie | Louisiana | 70006 | - |
| Louisiana Research Center | Shreveport | Louisiana | 71105 | - |
| Louisiana Research Center, LLC | Shreveport | Louisiana | 71105 | - |
| Louisiana State University Health Sciences Center | Shreveport | Louisiana | 71103 | - |
| Ascension St. Agnes Hospital | Baltimore | Maryland | 21237 | - |
| Mercy Medical Center | Baltimore | Maryland | 21202 | - |
| Massachusetts General Hospital | Boston | Massachusetts | 02114 | - |
| Commonwealth Clinical Studies | Brockton | Massachusetts | 02302 | - |
| Cape Cod Hospital | Hyannis | Massachusetts | 02601 | - |
| University of Michigan | Ann Arbor | Michigan | 48109 | - |
| Henry Ford Health | Detroit | Michigan | 48202 | - |
| Ascension Providence Rochester Hospital | Rochester Hills | Michigan | 48309 | - |
| Covenant HealthCare | Saginaw | Michigan | 48604 | - |
| Allina Health Cancer Institute | Minneapolis | Minnesota | 55407 | - |
| University of Minnesota, School of Public Health, Environmental Health Sciences | Minneapolis | Minnesota | 55455 | - |
| Winona Health System | Winona | Minnesota | 55987 | - |
| Memorial Hospital at Gulfport | Gulfport | Mississippi | 39503 | - |
| Central Care Cancer Center | Bolivar | Missouri | 65613 | - |
| Carroll County Memorial Hospital | Carrollton | Missouri | 64633 | - |
| Hannibal Regional Hospital | Hannibal | Missouri | 63401 | - |
| University Health Truman Medical Center | Kansas City | Missouri | 64108 | - |
| North Kansas City Hospital | North Kansas City | Missouri | 64116 | - |
| Billings Clinic | Billings | Montana | 59101 | - |
| Logan Health Research | Kalispell | Montana | 59901 | - |
| Quality Clinical Research | Omaha | Nebraska | 68114 | - |
| Cancer Care Specialists Reno | Reno | Nevada | 93710 | - |
| Renown Regional Medical Center | Reno | Nevada | 89502 | - |
| Inspira Medical Center | Mullica Hill | New Jersey | 08062 | - |
| St Joseph University | Paterson | New Jersey | 07503 | - |
| Inspira Medical Center Vineland | Vineland | New Jersey | 08360 | - |
| Our Lady of Lourdes Hospital | Binghamton | New York | 13905 | - |
| NYU | New York | New York | 10010 | - |
| NY Cancer & Blood Specialists | Port Jefferson Station | New York | 11776 | - |
| White Plains Hospital | White Plains | New York | 10601 | - |
| Asheville Gastroenterology Associates | Asheville | North Carolina | 28801 | - |
| University of North Carolina at Chapel Hill | Chapel Hill | North Carolina | 27599 | - |
| Cumberland Research Associates | Fayetteville | North Carolina | 28304 | - |
| Wake Research Associates | Raleigh | North Carolina | 27612 | - |
| Wakemed | Raleigh | North Carolina | 27610 | - |
| Iredell Memorial Hospital | Statesville | North Carolina | 28677 | - |
| Trial Management Associates | Wilmington | North Carolina | 28403 | - |
| Altru Health System | Grand Forks | North Dakota | 58201 | - |
| Gabrail Cancer Center Research | Canton | Ohio | 44718 | - |
| Cleveland Clinic | Cleveland | Ohio | 44195 | - |
| Objective Health Network | Dayton | Ohio | 45414 | - |
| Hightower Clinical | Oklahoma City | Oklahoma | 73102 | - |
| Hightower Clinical Research | Oklahoma City | Oklahoma | 73102 | - |
| St. Charles Health System, Inc | Bend | Oregon | 97701 | - |
| Oregon Health & Science University | Portland | Oregon | 97201 | - |
| Oregon Health and Science University | Portland | Oregon | 97201 | - |
| Geisinger Bloomsburg Hospital | Bloomsburg | Pennsylvania | 17815 | - |
| Doylestown Health | Doylestown | Pennsylvania | 18901 | - |
| Clinical Research Associates of Central PA | DuBois | Pennsylvania | 15801 | - |
| Pennsylvania Cancer Specialists & Research Institute | Gettysburg | Pennsylvania | 17325 | - |
| US Digestive Health at Lancaster | Lancaster | Pennsylvania | 17601 | - |
| Temple University | Philadelphia | Pennsylvania | 19140 | - |
| Thomas Jefferson University | Philadelphia | Pennsylvania | 19141 | - |
| Donald Guthrie Foundation | Sayre | Pennsylvania | 18840 | - |
| Guthrie Medical Group | Sayre | Pennsylvania | 18840 | - |
| US Digestive Health at Wyomissing | Wyomissing | Pennsylvania | 19610 | - |
| USDH Clinical Research | Wyomissing | Pennsylvania | 19160 | - |
| Cancer Care Associates of York (QCCA) | York | Pennsylvania | 17403 | - |
| Medical University of South Carolina (MUSC) | Charleston | South Carolina | 29425 | - |
| MUSC | Charleston | South Carolina | 29425 | - |
| MacLeod Center for Cancer Treatment and Research | Florence | South Carolina | 29506 | - |
| McLeod Health | Florence | South Carolina | 29506 | - |
| Carolina Blood and Cancer Care Associates | Rock Hill | South Carolina | 29732 | - |
| Circle Clinical Research | Pierre | South Dakota | 57104 | - |
| Avera Cancer Institute | Sioux Falls | South Dakota | 57105 | - |
| ObjectiveHealth, Inc | Franklin | Tennessee | 37067 | - |
| The Jackson Clinic | Jackson | Tennessee | 38305 | - |
| The Jackson Clinic, PA | Jackson | Tennessee | 38305 | - |
| Elligo Health Research, Inc. | Austin | Texas | 78738 | - |
| Christus Spohn Shoreline Hospital | Corpus Christi | Texas | 78404 | - |
| Horizon Clinical Research Group | Houston | Texas | 77008 | - |
| Oncology Consultants | Houston | Texas | 77030 | - |
| The University of Texas M.D. Anderson Cancer Center | Houston | Texas | 77030 | - |
| Christus Trinity Mother Frances Health System | Tyler | Texas | 75702 | - |
| Advanced Research Institute | Ogden | Utah | 84405 | - |
| Gastroenterology Associates of Tidewater | Chesapeake | Virginia | 23320 | - |
| INOVA | Fairfax | Virginia | 22031 | - |
| Verity Research Inc | Fairfax | Virginia | 22031 | - |
| Centra Lynchburg Hematology Oncology | Lynchburg | Virginia | 24501 | - |
| Digestive and Liver Disease Specialists | Norfolk | Virginia | 23502 | - |
| Washington Gastroenterology | Bellevue | Washington | 98004 | - |
| Northwest Medical Specialties (QCCA) | Tacoma | Washington | 98405 | - |
| SSM Health-Dean Medical Group | Madison | Wisconsin | 53715 | - |
| Ascension Columbia St. Mary's Wisconsin | Milwaukee | Wisconsin | 53211 | - |
| Aurora St. Luke's Medical Center | Milwaukee | Wisconsin | 53215 | - |