Researching process serving in Oregon (on corporations)

If we end up taking this matter to small claims court, we have to serve American Express Company and Amex Assurance Company through their Registered Agent. The defendants have 14 calendar days to respond.

http://www.filinginoregon.com/pages/business_registry/research/registered_agents

American Express Company, Oregon data: http://egov.sos.state.or.us/br/pkg_web_name_srch_inq.show_detl?p_be_rsn=187078&p_srce=BR_INQ&p_print=FALSE

Their Registered Agent (and the services provided): http://ct.wolterskluwer.com/ctcorporation/representation-services/registered_agent