See our Post-Graduation Report if you want more details, including breakdowns by colleges.
Logic follows that it's likely a significant source for finding internships and co-op positions too.
Students in your major or a similar major who are a year or more ahead of you are an excellent source for information. Find out what internships and co-op positions they've had and how they got them. Go to meetings of student organizations related to your major or career interest and meet students who are ahead of you. VT CareerLink is a networking source. Use it to find Virginia Tech alumni who've volunteered to help students.