Program Sites for REUs (compiled by the NSF)
REU sites in
mathematics (compiled by Steve Butler, Iowa State University)
Research
Experience for Undergraduates (REU) (for 2015; compiled by the AMS)
Program
Sites for Summer REUs (compiled by the MAA)
Undergraduate Research Opportunities  programs with special features
(suitable for firstyear students, for education majors, in industrial
mathematics, at international sites, etc.)  this page is somewhat dated, so
you might need to do some sleuthing to find uptodate information
Summer
Program for Women in Mathematics (George Washington University)
REU
at Hope College
REU
at Grand Valley State University
SMALL
Undergraduate Research Project at Williams College
The
Summer Mathematics Research Institute at Mount Holyoke College
REU
at James Madison University
Mathematics
and Computing Research Experiences for Undergraduates at Iowa State University
REU
at Lafayette College
REU
at Texas A & M
REU at George Mason University (Nonlinear
Dynamics of Biological, Bioinspired and Engineering Systems)
REU at the University of Texas at
Tyler (targeted towards minority groups)

Mathematics Awareness
Month 2015: Math Drives Careers This Is Statistics: The World of Statistics: 