Business Directory Return to Listing ShareTweetUS Senator Tammy Duckworthwww.duckworth.senate.gov8 S Old State Capitol PlazaSpringfield, IL 62701202-224-2584Fax: 217-492-5099EmailAboutSenator Tammy Duckworth was elected to the U.S. Senate in 2016 after representing Illinois’s Eighth Congressional District in the U.S. House of Representatives for two terms.ContactsKatie KellerPublic Administration, Government, Career Cluster - Government and Public Administration Member Directory | Calendar of Events | Member Account | Community Calendar of Events | Job Search | Member Promotions | News | Request for Information