If you're here looking up OneMain customer care, you probably already know who they are. But it helps to get an idea of how big they are and what their support operation looks like if you are a customer. OneMain also goes by or is associated with the names OneMain Financial Group LLC, OneMain. They are considered to be part of the following sectors and industries: Financials, Diversified Financial Services, Financial Services. OneMain is associated with terms like public, financial services, internet, technology, marketplace, b2c by their customers and industry analysts. They are similar to companies like Ford Motor Credit, Franklin Templeton Investments, Navy Federal Credit Union, Navient, TD Ameritrade, Western Union, Discover. They employ 10,000 people according to customers in the know.