With all these lenders the ultimate rate you will pay will be based on your credit history and credit score.
If you have crappy credit then the current rates you are paying on your current loans might be better.
Carnegie Mellon University Columbia University Cornell University Dartmouth College Duke University Emory University Georgetown University Georgia Institute of Technology Harvard University Massachusetts Institute of Technology New York University Northwestern University Stanford University University of California, Berkeley University of California, Los Angeles University of Chicago University of Michigan, Ann Arbor University of North Carolina - Chapel Hill University of Pennsylvania University of Southern California University of Texas at Austin University of Virginia Vanderbilt University Yale University - Source There are similar outfits like CUStudent but they have limitations as well.
Then there are the private student loan lenders like Wells Fargo that would love to consolidate your loans into yet another private student loan.
But let's not forget, some private student loans are dischargeable in bankruptcy even today.