The Executive Source works with clients globally to address some of their most complex Human Resources challenges. Below is a partial list of clients we have served:
| Alliance Bernstein | MetLife |
| American Express | Novartis |
| Ann Taylor | PDI Ninth House |
| Bank of America | PepsiCo |
| Booz Allen Hamilton | Prudential Financial |
| D&B | Ryder |
| Deloitte | Siemens |
| Honeywell | TD Ameritrade |
| IBM | Tyco |
| King Pharmaceuticals | UBS Investment Bank |