| Accel Research | Birmingham | Alabama | 35244 | - |
| Onyx Clinical Trials | Peoria | Arizona | 85381 | - |
| ARENSIA Exploratory Medicine | Phoenix | Arizona | 85015 | |
| University of Arizona / Banner University Medical Center Phoenix | Phoenix | Arizona | 85006 | - |
| Xenoscience, Inc. | Phoenix | Arizona | 85004 | |
| Clinical Trials, Inc. | Little Rock | Arkansas | 72205 | - |
| Amicis Research Center | Lancaster | California | 93534 | - |
| Memorialcare Miller Children's & Women's Hospital Long Beach | Long Beach | California | 90806 | - |
| Tri Valley Neurology Medical Associates, Inc. | Mission Hills | California | 91345 | - |
| Stanford University | Palo Alto | California | 94304 | - |
| Profound Research LLC | Poway | California | 92065 | April Tenorio 760-732-0557 |
| Kaiser Permanente | Aurora | Colorado | 80011 | - |
| UConn Health | Farmington | Connecticut | 06030 | - |
| Children's National Medical Center | Washington D.C. | District of Columbia | 20010 | - |
| EZR Research, LLC | Boca Raton | Florida | 33486 | - |
| Nova Clinical Research, LLC | Bradenton | Florida | 34209 | - |
| Las Mercedes Medical Research | Hialeah | Florida | 33012 | - |
| Coral Clinic Research | Homestead | Florida | 33032 | - |
| Dm Healthworks | Kissimmee | Florida | 34741 | - |
| Serenity Research Center | Miami | Florida | 33176 | |
| Y&L Advance Health Care, Inc d/b/a Elite Clinical Research | Miami | Florida | 33144 | Yalexis Lorenzo 305-262-3396 |
| Comprehensive Neurology Clinic | Orlando | Florida | 32825 | |
| Research Institute of Orlando | Orlando | Florida | 32806 | Michelle Clevenger 407-652-6011 |
| Panhandle Research & Medical Clinic | Pensacola | Florida | 32502 | - |
| Knight Neurology | Rockledge | Florida | 32955 | |
| PENS | Tampa | Florida | 33609 | - |
| Encore Medical Research of Weston LLC. | Weston | Florida | 33331 | - |
| Accelerated Clinical Trials, LLC | Peachtree Corners | Georgia | 30071 | - |
| Bluegrass Epilepsy Research | Lexington | Kentucky | 40504 | - |
| DelRicht Research | Baton Rouge | Louisiana | 70810 | Danielle Bryant 225-412-0316 |
| OLORMC | Baton Rouge | Louisiana | 70808 | - |
| Neurocare Of Louisiana | Covington | Louisiana | 70433 | - |
| DelRicht Research | New Orleans | Louisiana | 70119 | Reggie Mister 504-336-2667 |
| University Medical Center New Orleans | New Orleans | Louisiana | 70112 | Heather Scuderi 504-702-4624 |
| LSU Health Shreveport | Shreveport | Louisiana | 71103 | |
| Johns Hopkins University | Baltimore | Maryland | 21287 | |
| Boston Clinical Trials | Boston | Massachusetts | 02131 | Joanne Monaghan 617-477-4868 |
| Boston Neuro Research | South Dartmouth | Massachusetts | 02747 | - |
| SRI International | Plymouth | Michigan | 48170 | - |
| University of Missouri Health Care | Columbia | Missouri | 65212 | - |
| Somnos Clinical Research | Lincoln | Nebraska | 68510 | Wendy Bradford 281-973-2030 |
| NEREG | Hackensack | New Jersey | 07601 | - |
| Tekton Research | Marlboro | New Jersey | 07746 | - |
| Dent Neurosciences Research Center | Amherst | New York | 14226 | - |
| Northwell Health | Great Neck | New York | 11021 | Ayesha Rehman 516-428-6136 |
| Northwell Health Ped. Neurology | New Hyde Park | New York | 11042 | - |
| NYU Langone Health | New York | New York | 10016 | Mariana Figuera Losada 646-558-0844 |
| Montefiore Medical Center | The Bronx | New York | 10467 | - |
| UNC-Chapel Hill | Chapel Hill | North Carolina | 27514 | - |
| Cincinatti Children's Hospital | Cincinnati | Ohio | 45229 | - |
| Premier Health | Dayton | Ohio | 45409 | - |
| Oregon Neurology Associates | Springfield | Oregon | 97477 | - |
| AHN | Pittsburgh | Pennsylvania | 15212 | Megan Hendricks 412-359-6010 |
| MUSC | Charleston | South Carolina | 29425 | Robin Bulgarino 843-792-1115 |
| WR-ClinSearch | Chattanooga | Tennessee | 37421 | - |
| Le Bonheur Children's Hospital | Memphis | Tennessee | 38103 | |
| Horizon Clinical Research Group | Cypress | Texas | 77429 | - |
| M3 Wake Research-Dallas | Dallas | Texas | 75246 | - |
| ANESC Research | El Paso | Texas | 79912 | |
| Tarrant Neurology Associates | Fort Worth | Texas | 76104 | - |
| UTHealth Houston | Houston | Texas | 77030 | Maria Poblete 713-500-7201 |
| UTHSC | Houston | Texas | 77030 | - |
| Stryde Research | Plano | Texas | 75093 | - |
| Intermountain Health | Murray | Utah | 84107 | |
| Medstar Health Research Institute | McLean | Virginia | 22101 | |