Senator Cynthia Lummis (R-WY) – Chair
Senator Dan Sullian (R-AK) – Vice Chair
Senator John Barrasso (R-WY) – Founder
Senator Steve Daines (R-MT) – Chairman Emeritus
Senator John Boozman (R-AR)
Senator Bill Cassidy (R-LA)
Senator John Cornyn (R-TX)
Senator Tom Cotton (R-AR)
Senator Kevin Cramer (R-ND)
Senator Mike Crapo (R-ID)
Senator Ted Cruz (R-TX)
Senator Joni Ernst (R-IA)
Senator Deb Fischer (R-NE)
Senator Josh Hawley (R-MO)
Senator John Hoeven (R-ND)
Senator James Lankford (R-OK)
Senator Mike Lee (R-UT)
Senator Roger Marshall (R-KS)
Senator Jerry Moran (R-KS)
Senator Markwayne Mullin (R-OK)
Senator Lisa Murkowski (R-AK)
Senator Pete Ricketts (R-NE)
Senator Jim Risch (R-ID)
Senator Mitt Romney (R-UT)
Senator Mike Rounds (R-SD)
Senator Eric Schmitt (R-MO)
Senator John Thune (R-SD)
