| Organization | City/State | Zip | Specialty | Name |
| New York, NY | 10016 | Research | CLINICAL DIRECTOR Martin Markowitz |
| Atlantis, FL | 33462 | Research | MANAGING MEMBER Debra Weinstein |
| Staten Island, NY | 10306 | Research | PRESIDENT John Decorato |
| Saddle Brook, NJ | 07663 | Research | DIRECTOR Robert Mcgowan |
| Birmingham, AL | 35205 | Research | DIRECTOR OF ADMINISTRATION Susan Mcwhorter |
| Tucson, AZ | 85711 | Research | CHIEF INVESTIGATOR Joseph Mccready |
| Newington, NH | 03801 | Research | MA, CCRC,CEO Terry Stubbs |
| Phoenix, AZ | 85003 | Research | CLINICAL DIRECTOR/OWNER Eufronio Roman |
| Orem, UT | 84058 | Research | EXEC. V.P. BUSINESS DEVELOPMENT Ian Dawe |
| San Juan, PR | 00927 | Research | PRESIDENT Barbara Diaz-Hernandez |
| Miami, FL | 33189 | Research | PRESIDENT Sirley Torres |
| Richmond, MO | 64085 | Research | OFFICE MANAGER Barbara Scowley |
| Port Jervis, NY | 12771 | Research | EXECUTIVE DIRECTOR Dean Scher |
| Fort Worth, TX | 76104 | Research | BUSINESS ADMINISTRATOR Karl Henson |
| Fairview Park, OH | 44126 | Research | VICE PRESIDENT Emad Nukta |
| Orlando, FL | 32819 | Research | COO Daniel Kearney |
| Tempe, AZ | 85282 | Research | CHIEF FINANCIAL OFFICER James Vesely |
| Rolla, MO | 65401 | Research | DIRECTOR Vicki Pederson |
| Charlotte, NC | 28207 | Research | PRESIDENT Rebecca Mcclain |
| Dallas, TX | 75230 | Research | MEDICAL DIRECTOR Julio Rosenstock |
| Boca Raton, FL | 33498 | Research | MANAGING MEMBER David Clayman |
| Wylie, TX | 75098 | Research | CEO Diana Woolverton |
| Roswell, GA | 30076 | Research | ADMINISTRATOR Laura Restrepo |
| Durham, NC | 27705 | Research | ACOS Timothy Hammond |
| Haverhill, MA | 01830 | Research | MA, CCRC, CEO Terry Stubbs |
| Jacksonville, FL | 32223 | Research | PRESIDENT/CEO Benjamin Epstein |
| Tucson, AZ | 85745 | Research | MEMBER Felice Anderson |
| Galena, AK | 99741 | Research | FINANCE MANAGER Kim Wolf |
| Phoenix, AZ | 85018 | Research | ADMINISTRATIVE DIRECTOR Richard Saine |
| Phoenix, AZ | 85015 | Research | CEO/DIRECTOR Kimara Blackman |
| Rexburg, ID | 83440 | Research | OWNER Martin Mangan |
| San Juan, PR | 00935 | Research | PRINCIPAL INVESTIGATOR Carmen Zorrilla |
| Loganville, GA | 30052 | Research | DIRECTOR OF HEALTH MGT. AND ADMIN. Chima Ohuabunwo |
| Miami Lakes, FL | 33016 | Research | CFO Gina Peralta |
| Buckhannon, WV | 26201 | Research | SECRETARY Mikaela Poling |
| San Juan, PR | 00927 | Research | COO Jose Rodriguez-Orengo |
| Hialeah, FL | 33010 | Research | OWNER Mayrisleidy Orama |
| Miami, FL | 33175 | Research | PRESIDENT AND SITE DIRECTOR Francisco Moncada |
| Miami, FL | 33175 | Research | PRESIDENT AND SITE DIRECTOR Francisco Moncada |
| Miramar, FL | 33027 | Research | PRESIDENT AND SITE DIRECTOR Francisco Moncada |
| San Juan, PR | 00909 | Research | PRESIDENT Gregorio Cortes Maisonet |
| Parkland, FL | 33076 | Research | CHAIRMAN, PRESIDENT AND CEO Damion Gibbs |
| Columbus, GA | 31904 | Research | CHIEF FINANCIAL OFFICER Michael Wolfe |
| Warrenville, IL | 60555 | Research | EXECUTIVE DIRECTOR Scott Filer |
| Houston, TX | 77024 | Research | PRESIDENT Vikram Jayanty |
| Englewood, OH | 45322 | Research | CEO Stuart Weprin |
| Duluth, GA | 30096 | Research | PRINCIPAL INVESTIGATOR David Wyatt |
| Ciales, PR | 00638 | Research | PRESIDENT Maria Collazo |
| Slidell, LA | 70458 | Research | PRACTICE MANAGER Beth Leblanc |
| Atlantis, FL | 33462 | Research | OPERATIONS DIRECTOR Rosemarie De Manna |
| Englewood, CO | 80113 | Research | VP OF OPS PRIMARY CARE & MED SPECS Virginia Mclain |
| Denver, CO | 80205 | Research | VP OF OPS PRIMARY CARE & MED SPECS Virginia Mclain |
| Portland, OR | 97227 | Research | EXECUTIVE DIRECTOR, REVENUE CYCLE Shawn Barton |
| Boulder, CO | 80303 | Research | VP OF OPS PRIMARY CARE & MED SPECS Virginia Mclain |
| Kalispell, MT | 59901 | Research | PRESIDENT/CEO Velinda Stevens |
| Ellicott City, MD | 21042 | Research | CEO/PRESIDENT Kim Kim |
| Hialeah, FL | 33010 | Research | PRESIDENT Eduardo Guerra |
| Wylie, TX | 75098 | Research | LVN VP Sharron Rogers |
| Erie, PA | 16509 | Research | MANAGER Justin Scholl |
| Miami, FL | 33186 | Research | CLINICAL DIRECTOR Lidia Serrano |
| Delray Beach, FL | 33484 | Research | CLINICAL DIRECTOR Lidia Serrano |
| Havertown, PA | 19083 | Research | DIRECTOR Xiaobin Li |
| Brooksville, FL | 34613 | Research | PRINCIPAL INVESTIGATOR Mildred Farmer |
| Picayune, MS | 39466 | Research | OWNER Ahmad Haidar |
| New York, NY | 10029 | Research | PROFESSOR Monte Buchsbaum |
| Hialeah, FL | 33012 | Research | CEO/PRESIDENT Maria Graber |
| Miami, FL | 33133 | Research | CHAIRMAN Jeffrey Horstmyer |
| Bronx, NY | 10461 | Research | CEO/ SITE DIRECTOR Catherine Lajara |
| Ocala, FL | 34474 | Research | MEDICAL DIRECTOR Stephen Bookbinder |
| Miami Springs, FL | 33166 | Research | PRESIDENT AND CEO Yanet Rodriguez Ferrera |
| Boynton Beach, FL | 33472 | Research | CHIEF EXECUTIVE OFFICER Kristi Etchberger |
| Wellington, FL | 33414 | Research | PRESIDENT Lloyd Pusey |
| Hialeah, FL | 33012 | Research | PRESIDENT Maria Perez |
| San Juan, PR | 00909 | Research | PRESIDENTE Luis Quesada |
| Greensboro, NC | 27408 | Research | EXECUTIVE DIRECTOR Randal Von Seggern |
| Ponce, PR | 00716 | Research | ADMINISTRATOR Elizabeth Barranco |
| Moraine, OH | 45439 | Research | BOARD PRESIDENT Edward Hubach |
| Tucson, AZ | 85712 | Research | OWNER John Mcgettigan |
| West Palm Beach, FL | 33409 | Research | PRESIDENT Jose De La Gandara |
| Odessa, TX | 79761 | Research | OWNER Charles Scott |
| Loveland, CO | 80537 | Research | PRESIDENT Richard Mcmurtrey |
| Tequesta, FL | 33469 | Research | PRESIDENT Calvin Turnquest |
| Jacksonville, FL | 32207 | Research | VP, FINANCE Rodney Mckendree |
| Wilmington, DE | 19803 | Research | VP, FINANCE Rodney Mckendree |
| Jacksonville, FL | 32256 | Research | VP, FINANCE Rodney Mckendree |
| Egg Harbor Township, NJ | 08234 | Research | VP, FINANCE Rodney Mckendree |
| Denver, CO | 80203 | Research | PRIVACY OFFICER Jennifer Watson |
| San Francisco, CA | 94143 | Research | DIRECTOR CTSI Clarence Balke |
| Lake Worth, FL | 33461 | Research | PRESIDENT Armando Tomas |
| Tampa, FL | 33612 | Research | CONTROLLER Linda Peterson |
| Eden Prairie, MN | 55347 | Research | LAB RESEARC Akhouri Sinha |
| Boynton Beach, FL | 33472 | Research | CHIEF EXECUTIVE OFFICER Kristi Etchberger |
| Boynton Beach, FL | 33472 | Research | CHIEF EXECUTIVE OFFICER Kristi Etchberger |
| Denver, CO | 80202 | Research | SR VP Vito Ponzio |
| Springfield, MO | 65810 | Research | FOUNDER / CEO -VOLUNTEER Rita Spilken |
| Atlanta, GA | 30331 | Research | CEO Amira Karriem |
| Jeffersonville, IN | 47130 | Research | OWNER Rafael Cruz |
| Olney, MD | 20832 | Research | PRESIDENT Benjamin Avrunin |
| Louisville, KY | 40219 | Research | DENTIST OWNER Owen Mortenson |
| Harriman, NY | 10926 | Research | PRESIDENT Kareen Saunders |