Committees play an integral role in the function of Congress overall and in the legislative process, certainly. Committee work is where bills are shaped and where members of Congress make decisions about a bill's future in that process. Especially now that Democrats are in the majority in the House for the 116th Congress, we're seeing how that function is changing from the previous one.
- Senate Committee on Health, Education, Labor & Pensions (no Committee twitter account that I know of)
- Senate Committee on the Budget (@BudgetGOP: Official Twitter account for the (majority) Republican members of the Senate Budget Committee)
- Senate Committee on Appropriations (no Committee twitter account, so far as I know)
- - -
Image credit: View from Senate Park of U.S. Capitol Dome (amid restoration), April 2016