- Simply Hired is a mega-site with between 4.5 and 5 million jobs. Type in the internship you are interested in (Marketing Intern) and then type in the city and state you are interested in.
- Monster Track is owned by Monster.com but is a separate database specifically for college students and graduates with internships, jobs and other valuable career information.
- Idealist is a non-profit agency that promotes opportunities in the not for profit sectors.
- The Washington Center is a great site if you are interested in government related internships and others.
- The National Science Foundation has opportunities for Research Experience for Undergraduates (REU)