| Cahaba Research, Inc. | Birmingham | Alabama | 35242 | - |
| Central Alabama Research | Birmingham | Alabama | 35209 | - |
| Central Research Associates, Inc. | Birmingham | Alabama | 35205 | - |
| Boyett Health Services Inc | Hamilton | Alabama | 35570 | - |
| Longwood Research - Saadat Ansari, MD, LLC | Huntsville | Alabama | 35801 | - |
| Terence T. Hart, MD | Tuscumbia | Alabama | 35674 | - |
| Arrowhead Health Centers | Glendale | Arizona | 85306 | - |
| Phoenix Medical Research Institute, LLC | Peoria | Arizona | 85381 | - |
| Elite Clinical Studies | Phoenix | Arizona | 85018 | - |
| Clinical Research Institute of Arizona, LLC | Surprise | Arizona | 85374 | - |
| iResearch - Little Rock | Little Rock | Arkansas | 72205 | - |
| Lynn Institute of the Ozarks | Little Rock | Arkansas | 72205 | - |
| Advanced Research Center | Anaheim | California | 92805 | - |
| Torrance Clinical Research Institute Inc. | Lomita | California | 90717 | - |
| Downtown L.A. Research Center, Inc. | Los Angeles | California | 90017 | - |
| Catalina Research Institute, LLC | Montclair | California | 91763 | - |
| Lucita M. Cruz, MD., Inc. | Norwalk | California | 90650 | - |
| Creekside Endocrine Associates, PC | Denver | Colorado | 80246 | - |
| Atlantic Clinical Research Collaborative | Boynton Beach | Florida | 33472 | - |
| ALL Medical Research, LLC | Cooper City | Florida | 33024 | - |
| S & W Clinical Research | Fort Lauderdale | Florida | 33306 | - |
| Indago Research and Health Center | Hialeah | Florida | 33012 | - |
| Jacksonville Impotence Treatment Center | Jacksonville | Florida | 32223 | - |
| AMPM Research Clinic | Miami Gardens | Florida | 33169 | - |
| Advanced Research Institute Inc | New Port Richey | Florida | 34653 | - |
| Ocala Cardiovascular Research | Ocala | Florida | 34474 | - |
| South Florida Research Solutions LLC. - Pembroke Pines | Pembroke Pines | Florida | 33029 | - |
| Progressive Medical Research | Port Orange | Florida | 32127 | - |
| Cardiovascular Center of Sarasota | Sarasota | Florida | 34239 | - |
| Meridien Research - Tampa | Tampa | Florida | 33634 | - |
| Columbus Regional Health | Columbus | Georgia | 31904 | - |
| Physicians Research Associates, Inc | Lawrenceville | Georgia | 30046 | - |
| Georgia Institute for Clinical Research | Marietta | Georgia | 30060 | - |
| Meridian Clinical Research - Savannah, GA | Savannah | Georgia | 31406 | - |
| Solaris Clinical Research | Meridian | Idaho | 83646 | - |
| Apex Medical Research - Illinois | Chicago | Illinois | 60616 | - |
| Lemah Creek Clinical Research | Melrose Park | Illinois | 60160 | - |
| Koch Family Medicine | Morton | Illinois | 61550 | - |
| Community Hospital of Anderson and Madison County, Inc | Anderson | Indiana | 46011 | - |
| American Health Network - Avon Clinical Research Department | Avon | Indiana | 46103 | - |
| Medisphere Medical Research Center | Evansville | Indiana | 47714 | - |
| Midwest Institute for Clinical Research | Indianapolis | Indiana | 46260 | - |
| Buynak Clinical Research, P.C. | Valparaiso | Indiana | 46383 | - |
| West Broadway Clinic | Council Bluffs | Iowa | 51501 | - |
| The Iowa Clinic - Cardiovascular Services | West Des Moines | Iowa | 50266 | - |
| Professional Research Network of Kansas, LLC | Wichita | Kansas | 67205-1138 | - |
| The Research Group of Lexington, LLC | Lexington | Kentucky | 40503 | - |
| Research Integrity LLC | Owensboro | Kentucky | 42303 | - |
| Clinical Trials Management, LLC - Northshore | Covington | Louisiana | 70443 | - |
| Clinical Trials Management LLC - Southshore | Metairie | Louisiana | 70006 | - |
| Clinical Trials of America, LLC - West Monroe, LA | West Monroe | Louisiana | 71291 | - |
| Maryland Cardiovascular Specialist | Baltimore | Maryland | 21229 | - |
| Aa Mrc, Llc | Flint | Michigan | 48504 | - |
| Oakland Medical Research Center | Troy | Michigan | 48085 | - |
| David M. Headley, MD P.A. | Port Gibson | Mississippi | 39150 | - |
| Advance Clinical Research, Inc | St Louis | Missouri | 63128 | - |
| Consult and Research Associates | St Louis | Missouri | 63122 | - |
| Glacier View Research Institute | Kalispell | Montana | 59901 | - |
| Desert Endocrinology Clinical Research Center - Henderson | Henderson | Nevada | 89052 | - |
| Palm Research Center, Inc. | Las Vegas | Nevada | 89148 | - |
| Lovelace Scientific Resources | Albuquerque | New Mexico | 87108 | - |
| Lakeshore Primary Care Associate | Hamburg | New York | 14075 | - |
| Mid-Hudson Medical Research, PLLC - Hopewell Junction | New Windsor | New York | 12553 | - |
| Mid-Hudson Medical Research, PLLC - New Windsor | New Windsor | New York | 12553 | - |
| Orchard Park Family Practice | Orchard Park | New York | 14127 | - |
| Diabetes and Endocrinology Consultants, P.C. | Morehead City | North Carolina | 28557 | - |
| Lillestol Research, LLC | Fargo | North Dakota | 58104 | - |
| Sterling Research Group, Ltd. - Auburn | Cincinnati | Ohio | 45219 | - |
| Aventiv Research, Inc. | Columbus | Ohio | 43213 | - |
| Alpha Research Associates, LLC | Dayton | Ohio | 45417 | - |
| Prestige Clinical Research | Franklin | Ohio | 45005 | - |
| Ohio Clinical Research - Lyndhurst | Lyndhurst | Ohio | 44124 | - |
| Rama Research LLC | Marion | Ohio | 43302 | - |
| RAS Health Ltd | Marion | Ohio | 43302 | - |
| Summit Research Group, LLC | Munroe Falls | Ohio | 44262 | - |
| Ohio Clinical Research, LLC - Willoughby Hills | Willoughby Hills | Ohio | 44094 | - |
| South Oklahoma Heart Research | Oklahoma City | Oklahoma | 73135 | - |
| Clinical Research Associates of Central PA, LLC | Altoona | Pennsylvania | 16602 | - |
| Harleysville Medical Associates | Harleysville | Pennsylvania | 19438 | - |
| Richard M.Kastelic MD and Associates | Johnstown | Pennsylvania | 15905 | - |
| Green and Seidner Family Practice Associates | Lansdale | Pennsylvania | 19446 | - |
| Center for Medical Research, LLC | Providence | Rhode Island | 02908 | - |
| DeGarmo Institute Of Medical Research | Greer | South Carolina | 29650 | - |
| Health Concepts | Rapid City | South Dakota | 57702 | - |
| PMG Research of Bristol, LLC - State | Bristol | Tennessee | 37620 | - |
| New Phase Research & Development - Knoxville | Knoxville | Tennessee | 37909 | - |
| Clinical Research Solutions - Smyrna, TN | Smyrna | Tennessee | 37167 | - |
| Health Innovation Research Group | Arlington | Texas | 76014 | - |
| DCT-AACT, LLC, dba Discovery Clinical Trials | Austin | Texas | 78758 | - |
| Inquest Clinical Research | Baytown | Texas | 77521 | - |
| Protenium Clinical Research, LLC - Dallas | Dallas | Texas | 75208 | - |
| VA North Texas Health Care System - Dallas VA Medical Center (DVAMC) | Dallas | Texas | 75216 | - |
| Academy of Diabetes, Thyroid and Endocrine, P.A. | El Paso | Texas | 79935 | - |
| Centex Studies, Inc. | Houston | Texas | 77058 | - |
| Juno Research, LLC - Northwest Site | Houston | Texas | 77040 | - |
| Juno Research, LLC - Southwest Houston Site | Houston | Texas | 77074 | - |
| Pioneer Research Solutions Inc. | Houston | Texas | 77099 | - |
| Grace Research, LLC - Huntsville, TX | Huntsville | Texas | 77340 | - |
| Protenium Clinical Research, LLC | Hurst | Texas | 76054 | - |
| Juno Research, LLC - Katy | Katy | Texas | 77450 | - |
| FMC Science | Lampasas | Texas | 76550 | - |
| DCT - McAllen Primary Care, LLC | McAllen | Texas | 78503 | - |
| Bandera Family HealthCare Research, LLC (BFHC) | San Antonio | Texas | 78249 | - |
| Physician PrimeCare Research Institute, PLLC dba Health Texas Research Institute | San Antonio | Texas | 78228 | - |
| Pinnacle Clinical Research | San Antonio | Texas | 78229 | - |
| San Antonio Premier Internal Medicine | San Antonio | Texas | 78220 | - |
| Manassas Clinical Research Center | Manassas | Virginia | 20110 | - |
| York Clinical Research LLC | Norfolk | Virginia | 23510 | - |
| Exemplar Research Inc. - Fairmont, WV | Morgantown | West Virginia | 26505 | - |
| Allegiance Research Specialists, LLC | Wauwatosa | Wisconsin | 53226 | - |