Pfizer is the world's largest research-based biomedical and pharmaceutical company. 

Pfizer corporate headquarters are located in New York, with major research and development locations in the United States and England. It was founded in 1849. Every day, approximately 81,900 colleagues in more than 150 countries work to discover, develop, manufacture and deliver quality, safe and effective prescription medicines to patients.

Revenue 2009 - $ 48,296 millions

Program:

Interns at Pfizer can put student’s education and talent to work immediately. Across the operating groups, the company offers value-added, high impact internship opportunities in Research and Development, Marketing, Finance, Human Resources, Production, Sales and Legal. Pfizer recruits from a diverse pool of top-ranked candidates who are currently enrolled in graduate and undergraduate programs in the US and Puerto Rico. Internships at Pfizer is viewed as excellent opportunities for participant to learn about Pfizer and for it to learn about student.

Internship and co-op programs:
     - Pfizer Global Research and Development
     - Pfizer Finance
     - Pfizer Global Manufacturing
     - Worldwide Pharmaceutical Operations Finance
     - Worldwide Pharmaceutical Operations Marketing
     - Worldwide Pharmaceutical Operations Market Research
     - Summer Law Intern Program