| Company | Category | Area | Address | Web | Contact person | |
| ADVENT GROUP INC | Business Consulting Services | Virginia | 1925 N LYNN ST STE 702, ARLINGTON, Arlington, Virginia, 22209-1705, USA | - | - | Robin Garibay |
| ADVENT GROUP INC | Environmental Engineering | Georgia | 2079 KINSMON DR, MARIETTA, Cobb, Georgia, 30062-8137, USA | - | - | Eli Miller |
| ADVENT GYNECOLOGY | Physicians & Surgeons | Missouri | 3333 MCINTOSH CIR, JOPLIN, Jasper, Missouri, 64804-3649, USA | - | - | Tyrone Adcock |
