| Sun City Clinical Research | Glendale | Arizona | 85304 | |
| IMA Clinical Research - Phoenix | Phoenix | Arizona | 85012 | |
| Velocity Clinical Research, Phoenix | Phoenix | Arizona | 85006 | C Stephen Plimpton 602-368-1928 |
| Preferred Research Partners, Inc. | Little Rock | Arkansas | 72211 | |
| Alliance Research Institute, Canoga Park | Canoga Park | California | 91304 | |
| Velocity Clinical Research, Chula Vista | Chula Vista | California | 91911 | J Scott Overcash 619-955-5246 |
| Ark Clinical Research, Fountain Valley | Fountain Valley | California | 92708 | Mark Leibowitz 310-710-2985 |
| Neurology Center of North Orange County | Fullerton | California | 92835 | Anthony Ciabarra 714-879-7200 |
| Axiom Research, Los Angeles LLC | Glendale | California | 91206 | Morgan Welebir 909-824-2335 |
| Accellacare - Long Beach | Long Beach | California | 90807 | Elizabeth Zarate-Rowell 562-492-9966 |
| Long Beach Clinical Trials Services, Inc | Long Beach | California | 90806 | Suzanne Fussell 562-997-3869 |
| Alliance Research Institute, Lynwood | Lynwood | California | 90262 | |
| Northridge Clinical Trials | Northridge | California | 91325 | Sabreen Faqihi 818-350-7483 |
| Pasadena Clinical Trials | Pasadena | California | 91101 | |
| Paradigm Clinical Research Centers, LLC | Redding | California | 96001 | |
| Infinity Clinical Trials | San Diego | California | 92108 | |
| Paradigm Clinical Research Centers, LLC | San Diego | California | 92108 | |
| Optimus Medical Group | San Francisco | California | 94102 | Shawn Hassler 415-518-1292 |
| Paragon Rx Clinical | Santa Ana | California | 92703 | |
| Velocity Clinical Research, Van Nuys | Van Nuys | California | 91606 | |
| Paradigm Clinical Research Centers, LLC; Aurora | Aurora | Colorado | 80012 | Nathaniel Moore 303-219-1830 |
| Centennial Clinical Trials | Denver | Colorado | 80246 | Alan Shackelford 650-995-4233 |
| Ki Health Partners, LLC | Stamford | Connecticut | 06905-1206 | Peter Mcallister 203-914-1900 |
| Velocity Clinical Research, Hallandale Beach | Hallandale | Florida | 33009 | Beth Safirstein 954-455-5757 |
| Clinical Research of Central Florida | Lakeland | Florida | 33805 | Cecilia Arango 1-863-853-5400 |
| AppleMedical Research Group, LLC | Miami | Florida | 33155 | Agustin Latorre 305-667-8434 |
| Sensible Healthcare, LLC | Ocoee | Florida | 34761 | |
| Clinical Associates of Orlando, LLC | Orlando | Florida | 32819 | Anna Lizama Clark 407-269-0322 |
| Cenexel Tampa FL | Tampa | Florida | 33613 | Deborah White 813-264-2155 |
| Premiere Research Institute at Palm Beach Neurology | West Palm Beach | Florida | 33407 | |
| Clinical Integrative Research Center of Atlanta | Atlanta | Georgia | 30328 | Frank Berenson 678-705-7341 |
| Evergreen Clinical Trials | Norcross | Georgia | 30092 | Dmitriy Pelishev 678-884-0550 |
| Velocity Clinical Research, Savannah | Savannah | Georgia | 31406 | |
| Paradigm Clinical Research Centers, LLC | Boise | Idaho | 83709 | James Herrold 208-801-7440 |
| Clinical Investigation Specialists, Inc. | Gurnee | Illinois | 60031 | Luis Gonzalez-Orozco 847-599-2492 |
| Evanston Premier Healthcare Research, LLC | Skokie | Illinois | 60077 | Jeffrey Geohas 847-869-1191 |
| DM Clinical Research, Indianapolis | Indianapolis | Indiana | 46254 | Brandon Essink 463-271-3050 |
| Indiana Medical Research Institute | Merrillville | Indiana | 46410 | |
| Accellacare - McFarland | | Ames | Iowa | 50010 | Jennifer Killion 515-956-4159 |
| Velocity Clinical Research, Sioux City | Sioux City | Iowa | 51106 | |
| NECCR PrimaCare Research, LLC | Fall River | Massachusetts | 02721 | |
| Neurology Center of New England P.C. | Foxborough | Massachusetts | 02035 | Salvatore Napoli 781-551-5812 |
| Montana Medical Research, Inc | Missoula | Montana | 59808 | |
| Velocity Clinical Research, Norfolk | Norfolk | Nebraska | 68701 | Charles Harper 402-371-0797 |
| Quality Clinical Research, Inc. | Omaha | Nebraska | 68114 | |
| Oasis Clinical Research | Las Vegas | Nevada | 89121 | |
| Bio Behavioral Health | Toms River | New Jersey | 08755 | |
| Accellacare - Cary (Cary Medical Group) | Cary | North Carolina | 27518 | Sylvia Shoffner 919-342-3447 |
| West Clinical Research | Morehead City | North Carolina | 28557 | Patrick Morgante 252-515-0050 |
| Accellacare - Raleigh (Raleigh Medical Group, P.A.) | Raleigh | North Carolina | 27609 | |
| Accellacare - Wilmington | Wilmington | North Carolina | 28401 | |
| Accellacare - Winston-Salem | Winston-Salem | North Carolina | 27103 | Mitchell Isaac 336-768-8062 |
| Lillestol Research | Fargo | North Dakota | 58104 | Michael Lillestol 701-232-7705 |
| Velocity Clinical Research, Cleveland | Beachwood | Ohio | 44122 | Margaret Rhee 216-682-0320 |
| Velocity Clinical Research, Cincinnati, Blue Ash | Blue Ash | Ohio | 45242 | Audrius Ruksenas 513-769-2767 |
| Headache Center of Hope | Cincinnati | Ohio | 45236 | |
| Centricity Research; Columbus, Ohio | Columbus | Ohio | 43213 | Sridhar Guduri 614-501-6164 |
| Velocity Clinical Research, Providence | Providence | Rhode Island | 02818 | |
| Velocity Clinical Research, Anderson | Anderson | South Carolina | 29621 | Daniel Williams 864-965-0190 |
| Velocity Clinical Research, Gaffney | Gaffney | South Carolina | 29340 | |
| Central Texas Clinical Research | Austin | Texas | 78705 | Cynthia Brinson 512-480-9660 |
| Gadolin Research, LLC | Beaumont | Texas | 77702 | Kandasami Senthilkumar 409-331-6040 |
| Velocity Clinical Research, Dallas | Dallas | Texas | 75230 | Jennifer Bashour 682-348-1169 |
| Epic Medical Research - DeSoto | DeSoto | Texas | 75115 | Pritesh Patel 972-777-6954 |
| Newco 3A Researh LLC, DBA 3A Research | El Paso | Texas | 79902 | |
| Red Star Research | Lake Jackson | Texas | 77566 | Harvey Resnick 979-529-9440 |
| Clinical Trials of Texas, LLC, A Flourish Research Site | San Antonio | Texas | 78229 | |
| San Antonio Clinical Trials | San Antonio | Texas | 78240 | Dempsey Gordon Jr. 945-218-5593 |
| DM Clinical Research, Sugar Land | Sugar Land | Texas | 77479 | |
| DM Clinical Research, Tomball | Tomball | Texas | 77375 | Muhammad Irfan 281-517-0550 |
| Highland Clinical Research | Salt Lake City | Utah | 84124 | |
| Wasatch Clinical Research, LLC | Salt Lake City | Utah | 84107 | |