Lisa Murkowski (AK): https://www.murkowski.senate.gov/contact/email
Dan Sullivan (AK): https://www.sullivan.senate.gov/contact/email
Richard C. Shelby (AL): https://www.shelby.senate.gov/public/index.cfm/emailsenatorshelby
John Boozman (AR): https://www.boozman.senate.gov/public/index.cfm/e-mail-me
Tom Cotton (AR): https://www.cotton.senate.gov/?p=contact
Martha McSally (AZ): https://www.mcsally.senate.gov/contact_martha
Cory Gardner (CO): https://www.gardner.senate.gov/contact-cory/email-cory (select "share your opinions or comments on legislation or issues")
Marco Rubio (FL): https://www.rubio.senate.gov/public/index.cfm/contact
Rick Scott (FL): https://www.rickscott.senate.gov/contact_rick
Kelly Loeffler (GA): https://www.loeffler.senate.gov/ (scroll down)
David Perdue (GA): https://www.perdue.senate.gov/connect/email
Joni Ernst (IA): https://www.ernst.senate.gov/public/index.cfm/contact
Chuck Grassley (IA): https://www.grassley.senate.gov/constituents/questions-and-comments
Mike Crapo (ID): https://www.crapo.senate.gov/contact/email-me
James E. Risch (ID): https://www.risch.senate.gov/public/index.cfm?p=Email
Mike Braun (IN): https://www.braun.senate.gov/contact-mike
Todd Young (IN): https://www.young.senate.gov/contact/email-todd (select "share your opinion on legislation")
Jerry Moran (KS): https://www.moran.senate.gov/public/index.cfm/e-mail-jerry
Pat Roberts (KS): https://www.roberts.senate.gov/public/?p=EmailPat
Mitch McConnell (KY): https://www.mcconnell.senate.gov/public/index.cfm?p=ContactForm
Rand Paul (KY): https://www.paul.senate.gov/connect/email-rand
Bill Cassidy (LA): https://www.cassidy.senate.gov/contact
John Kennedy (LA): https://www.kennedy.senate.gov/public/email-me
Susan M. Collins (ME): https://www.collins.senate.gov/contact
Roy Blunt (MO): https://www.blunt.senate.gov/contact/contact-roy (click "share your opinion on legislation")
Josh Hawley (MO): https://www.hawley.senate.gov/contact-senator-hawley
Cindy Hyde-Smith (MS): https://www.hydesmith.senate.gov/contact-senator
Roger F. Wicker (MS): https://www.wicker.senate.gov/public/index.cfm/contact
Steve Daines (MT): https://www.daines.senate.gov/connect/email-steve (select "Share your opinions or comment on legislation or issues")
Richard Burr (NC): https://www.burr.senate.gov/contact/email
Thom Tillis (NC): https://www.tillis.senate.gov/email-me
Kevin Cramer (ND): https://www.cramer.senate.gov/contact_kevin
John Hoeven (ND): https://www.hoeven.senate.gov/contact/email-the-senator
Deb Fischer (NE): https://www.fischer.senate.gov/public/?p=email-deb
Ben Sasse (NE): https://www.sasse.senate.gov/public/index.cfm/email-ben
Rob Portman (OH): https://www.portman.senate.gov/meet/contact
James M. Inhofe (OK): https://www.inhofe.senate.gov/contact/email-jim
James Lankford (OK): https://www.lankford.senate.gov/contact/email (select "send an email to comment on legislation")
Patrick J. Toomey (PA): https://www.toomey.senate.gov/?p=contact
Lindsey Graham (SC): https://www.lgraham.senate.gov/public/index.cfm?p=contact-form
Tim Scott (SC): https://www.scott.senate.gov/contact/email-me (select "share your opinion on legislation")
Mike Rounds (SD): https://www.rounds.senate.gov/contact/email-mike (select "share your opinions or comment on legislation or issues")
John Thune (SD): https://www.thune.senate.gov/public/index.cfm/contact
Lamar Alexander (TN): https://www.alexander.senate.gov/public/index.cfm?p=Email
Marsha Blackburn (TN): https://www.blackburn.senate.gov/contact_marsha
John Cornyn (TX): https://www.cornyn.senate.gov/contact
Ted Cruz (TX): https://www.cruz.senate.gov/?p=form&id=16
Mike Lee (UT): https://www.lee.senate.gov/public/index.cfm/contact
Mitt Romney (UT): https://www.romney.senate.gov/contact
Ron Johnson (WI): https://www.ronjohnson.senate.gov/public/index.cfm/email-the-senator
Shelley Moore Capito (WV): https://www.capito.senate.gov/contact/contact-shelley (select "send an email to comment on legislation")
John Barrasso (WY): https://www.barrasso.senate.gov/public/index.cfm/contact-form
Michael B. Enzi (WY): https://www.enzi.senate.gov/public/index.cfm/contact?p=e-mail-senator-enzi