Home Fairfield Pfizer to keep Wyeth site FairfieldHuman ResourcesPremium ContentSmall Business Pfizer to keep Wyeth site By Alexander Soule - November 9, 2009 SHARE Facebook Twitter Pfizer is keeping a Wyeth research and production site in Pearl River. This content is for Westfair Online members only. Please Sign in / Join to view this content. Become a member by Registering Here.