The Committee on Agriculture, Nutrition, and Forestry oversees America's agricultural industry, including research, production, marketing, and price stabilization for commodities. It also holds jurisdiction over national nutrition programs like SNAP and school meals, forestry, rural development, and related areas.

The Committee on Finance holds broad jurisdiction over taxation and revenue measures, the nation's debt, customs, international trade, and key social programs. It oversees Social Security, Medicare, Medicaid, and unemployment benefits, shaping fiscal policy and health legislation.

The Committee on the Judiciary conducts oversight of the Department of Justice and considers nominations for federal judgeships, including the Supreme Court. Its legislative jurisdiction covers constitutional amendments, federal criminal law, immigration, antitrust, patents, and civil liberties.

The Committee on Rules and Administration oversees the rules and procedures of the Senate, federal election laws, campaign finance, presidential succession, and the administration of Senate buildings. It also manages entities like the Government Publishing Office and the Library of Congress.