Havas Worldwide HQ, New York 
- 200 Hudson Street
- New York, New York 10014-4504
- United States
- Phone: 212 886-2000
- Country Phone Code: 1
- Website: www.havasworldwide.com
| Advertiser | Brand, Product | Business Sector | Type of Work | since |
|---|---|---|---|---|
| Pfizer | Pfizer | Health & Pharmaceutical Products | 1995 | |
| Reckitt Benckiser Inc. | Cattlemens Barbeque Sauce, Franks Red Hot, Frenchs Mustards | Seasonings | 2002 | |
| Sanofi Aventis | Various | Health & Pharmaceutical Products | 2003 | |
| Schering-Plough | Schering-Plough | Health & Pharmaceutical Products | 1984 | |
| Veolia Environnement | Veolia | 2004 | ||
| Volvo | Volvo | Automotive | 1993 |