113th Congress (2013-2014) 117th | 116th | 115th | 114th | 112th | 111th Co-Chair Inhofe, James M. (R-OK) Co-Chair Menendez, Robert (D-NJ) Republican 12 Members Sessions, JeffR-ALBoozman, JohnR-ARIsakson, JohnnyR-GAGrassley, ChuckR-IAKirk, MarkR-ILCoats, DanR-INVitter, DavidR-LAWicker, Roger F.R-MSBurr, RichardR-NCGraham, LindseyR-SCJohn CornynR-TX Democrat 8 Members Durbin, Richard J. D-ILMikulski, BarbaraD-MDTester, Jon D-MTSchumer, Charles E. D-NYBrown, Sherrod D-OHWyden, Ron D-ORManchin, Joe, III D-WV