Summer Research Opportunities Program (SROP)
Committee on Institutional Cooperation (CIC); 12 universities collaborating together to provide summer programs.
Participating institutions:

The University of Chicago
University of Illinois at Chicago
University of Illinois at Urbana/Champaign
Indiana University/Purdue University at Indianapolis
University of Iowa
University of Michigan
Michigan State University
University of Minnesota
Northwestern University
Ohio State University
Pennsylvania State University
Purdue University
University of Wisconsin-Madison
University of Wisconsin-Milwaukee

Undergraduate Research and Labs Fellowship Programs
AT&T

Undergraduate Research @ Berkeley
University of California Berkely

UCLA Summer Programs for Undergraduate Research (SPUR)
Univeristy of California Los Angeles

Mentoring Summer Research Internship Program (MSRIP)
University of California Riverside

Summer Research Training Program
University of California San Francisco

Summer Multicultural Access to Research Training (SMART)
University of Colorado

MIT Summer Research Program (MSRP)
Massachusetts Institute of Technology

Summer Internship Program in Biomedical Research
U.S. Department of Health and Human Services
Research and Training Opportunities at the National Institutes of Health

Research Experiences for Undergraduates (REU)
National Science Foundation

Research Experience for Undergraduates in Neural & Behavioral Sciences
Northern Arizona University

Summer Research Programs and Internships
ScienceNET

Summer Research Opportunity Program in Psychology
The University of Utah

Research Opportunities for Undergraduates
Yale University