If you have a question or issue with an ExxonMobil benefits service provider (ExxonMobil Benefits Service Center, CitiStreet, Aetna, Medco, etc.) that you are unable to resolve with the service provider you can contact the ExxonMobil Benefits office by completing the form below. You will receive an acknowledgement by telephone, mail, or email within 1-2 business days and a response as soon as possible. Thank you for providing your feedback.