- Aptel Research
- Arnold Worldwide
- Ames Scullin O’Haire
- Brand Engineers
- CDMi Connect
- Cramer-Krasselt
- DDB
- DKI Direct
- Draftfcb
- Highgate Partners
- Horizon Media
- Ketchum
- Maslansky + Partners
- McKinsey
- MicroMass Communications
- Omnicom
- Press Ganey
- Return on Focus
- Saatchi
- Scienomics
- TBWA
- Vivaldi Partners