Nelnet is known (if it's known at all) for its huge student-loan book, although it operates several businesses that all together make it a financial-services heavyweight. Nelnet is more like a conglomerate than a single company, running several different businesses, some of which feed off of each other and others that are distinct. It operates four main divisions: asset generation and management (AGM), which is mostly its student-loan book but also its investment branch; loan servicing and systems (Nelnet diversified services, or NDS), which offers various services related to loan origination and technology; education-technology services and payment processing (Nelnet business services, or NBS), which offers a wide array of services such as payment solutions and management solutions for educational institutions; and Nelnet bank (Nelnet financial service, or NFS).