| 1 | | Cra | N/A |  BG | | | N/A | Comac Medical Ltd | N/A | Sofia, Sofia-Capital, Bulgaria | Research | N/A | +359 28921000 |
| 2 | | Senior Cra I | N/A | BG | | | N/A | Ppd | N/A | Wilmington, North Carolina, United States | N/A | Wilmington, North Carolina, United States | +1 6095288000 |
| 3 | | Cra | N/A | BG | | | N/A | Pra Health Sciences | N/A | Raleigh, North Carolina, United States | Pharmaceuticals | Raleigh, North Carolina, United States | +1 9133455700 |
| 4 | | Senior Cra | N/A | BG | | | N/A | Icon Plc | N/A | Leopardstown, Dublin, Ireland | Pharmaceuticals | N/A | +353 12912000 |
| 5 | | Cra | N/A | BG | | | N/A | Astrazeneca | N/A | Cambridge, Cambridgeshire, United Kingdom | Pharmaceuticals | Cambridge, Cambridgeshire, United Kingdom | +44 1514857700 |
| 6 | | Senior Cra | N/A | BG | | | N/A | Easthorn Clinical Services | N/A | Warsaw, Mazowieckie, Poland | Pharmaceuticals | Warsaw, Mazowieckie, Poland | N/A |
| 7 | | Principal Cra | N/A | BG | | | N/A | Pra Health Sciences | N/A | Raleigh, North Carolina, United States | Research | Raleigh, North Carolina, United States | +1 9133455700 |
| 8 | | Cra Ii | N/A | BG | | | N/A | Ppd | N/A | Wilmington, North Carolina, United States | Pharmaceuticals | Wilmington, North Carolina, United States | +1 6095288000 |
| 9 | | Cra | N/A | BG | | | N/A | Ppd | N/A | Wilmington, North Carolina, United States | Pharmaceuticals | Wilmington, North Carolina, United States | +1 6095288000 |
| 10 | | Cra Iii | N/A | BG | | | N/A | Pra Health Sciences | N/A | Raleigh, North Carolina, United States | Pharmaceuticals | Raleigh, North Carolina, United States | +1 9133455700 |
| 11 | | Senior Cra | N/A | BG | | | N/A | Icon Plc | N/A | Leopardstown, Dublin, Ireland | Pharmaceuticals | N/A | +353 12912000 |
| 12 | | Senior Cra | N/A | BG | | | N/A | Johnson & Johnson | N/A | New Brunswick, New Jersey, United States | Hospital & Health Care | N/A | +1 9254327447 |
| 13 | | Senior Cra | N/A | BG | | | N/A | Icon Plc | N/A | Leopardstown, Dublin, Ireland | Pharmaceuticals | N/A | +353 12912000 |
| 14 | | Senior Cra | N/A | BG | | | N/A | Clintec International | N/A | United Kingdom | Pharmaceuticals | N/A | N/A |
| 15 | | Cra Iii | N/A | BG | | | N/A | Pharm-Olam International | N/A | Houston, Texas, United States | Research | Houston, Texas, United States | +1 9192374300 |
| 16 | Violeta Bochvarska-Ristova | Cra | N/A | BG | N/A | | N/A | Iqvia | N/A | Durham, North Carolina, United States | Pharmaceuticals | Durham, North Carolina, United States | +1 4845676100 |
| 17 | | Cra | N/A | BG | N/A | | N/A | Clintec International | N/A | United Kingdom | Pharmaceuticals | N/A | N/A |
| 18 | | Senior Cra | N/A | BG | N/A | | N/A | Iqvia | N/A | Durham, North Carolina, United States | Pharmaceuticals | Durham, North Carolina, United States | +1 4845676100 |
| 19 | | Cra | N/A | BG | N/A | | N/A | I3 Research | N/A | United States | Research | N/A | N/A |
| 20 | | Cra | N/A | BG | N/A | | N/A | August Research | N/A | Sofia, Sofia-Capital, Bulgaria | Research | Sofia, Sofia-Capital, Bulgaria | +359 29714593 |