Intern Zoo — an internship site for college students, where you can search for internships (by location, company, industry) and apply directly to them, as well as find some basic job-hunting and internship tips. No cost to job-seekers.
JobWeb’s Summer Work, Internships, Fieldwork, and Postgraduate Options — a great collection of resources, with more than two dozen links to summer jobs and internship postings.
Rising Star Internships — where college students can search for internships and/or post their resumes.
Snag A Job — a job sites for high school and college students looking for part-time, seasonal, or summer jobs. Search for a job by type of job or by location, and than apply online. Free to job-seekers.
Student Search System, Inc. — Specializes in finding internships and entry-level employment for college students and graduates.
SummerJobs.com — where summer job-seekers can search by keyword or location for summer jobs. A very nice resource.
Washington Center for Internships and Academic Seminars — through its programs, students can earn academic credit while they gain practical experience, discover professional strengths and weakensses, and evaluate career paths.