WEX Inc. operates a commerce platform in the United States and internationally. The Mobility segment offers fleet vehicle payment solutions, transaction processing, and information management services; and provides account activation and account retention services; authorization and billing inquiries, and account maintenance services; account management; credit and collections services; merchant services; analytics solutions; and ancillary services and offerings. This segment markets its products directly and indirectly to businesses and government agencies with fleets of commercial vehicles; and indirectly through co-branded and private label relationships.