WEX Inc. is a financial technology service provider. The Company operates through three segments: Fleet Solutions, Travel and Corporate Solutions, and Health and Employee Benefit Solutions. The Fleet Solutions segment provides customers with payment and transaction processing services specifically designed for the needs of commercial and government fleets. This segment also provides information management services to these fleet customers. The Travel and Corporate Solutions segment focuses on the complex payment environment of business-to-business (B2B) payments, providing customers with payment processing solutions for their corporate payment and transaction monitoring needs. The Health and Employee Benefit Solutions segment provides healthcare payment products and software as a service (SaaS) consumer-directed platform. The Company's subsidiaries include WEX Bank, Noventis, Inc. (Noventis), WEX FleetOne, and Electronic Funds Source, LLC (EFS).