1. University of Wyoming (UW): Located in Laramie, this is the state's flagship university and by far the largest.
2. Casper College: Located in Casper, this is a large community college offering associate degrees and some bachelor's programs.
3. Sheridan College: Located in Sheridan, another community college offering associate degrees and some specialized bachelor's programs.
While other colleges exist in Wyoming, these three are generally considered the largest and most comprehensive in terms of student population and program offerings.