Nelnet is a diverse, innovative company with a purpose to serve others and a vision to make dreams possible. The largest operating businesses engage in loan servicing and education technology, services, and payment processing, and the Company also has a significant investment in communications. A significant portion of the Company's revenue is net interest income earned on a portfolio of federally insured student loans. The Company also makes investments to further diversify both within and outside of its historical core education-related businesses including, but not limited to, investments in early-stage and emerging growth companies, real estate, and renewable energy (solar). Substantially all revenue from external customers is earned, and all long-lived assets are located, in the United States.