Wikipedia
Nelnet
Nelnet is a United States-based conglomerate that deals in the administration and repayment of student loans and education financial services. The company is headquartered in Lincoln, Nebraska.
The company provides a range of products through its subsidiaries that include; customer service for student loan borrowers, technology related to student loan customer service, outsourcing services for guaranty agencies, tuition payment plans, education planning, enrollment-related services and higher education planning tools.
Nelnet holds over $25 billion in student loans as of 2007, roughly one-third of all federally subsidized student loans currently held by students in the United States.