The Committee on Commerce, Science, and Transportation addresses a wide range of issues including interstate commerce, transportation systems, science and technology policy, space exploration, and consumer protection. It oversees agencies like the Department of Transportation, NASA, the FCC, and the FTC.

The Committee on Energy and Natural Resources handles matters related to energy development, conservation, regulation, nuclear energy, national parks, public lands, and natural resource management. It oversees the Department of Energy and the Department of the Interior.

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 Indian Affairs studies matters pertaining to American Indian, Native Hawaiian, and Alaska Native peoples. It handles legislation related to tribes, land management, health, education, and economic development for Native populations.

The Committee on Small Business and Entrepreneurship focuses on issues affecting small businesses, including access to capital, federal procurement opportunities, and regulatory burdens. It provides oversight of the Small Business Administration (SBA) and develops legislation aimed at fostering entrepreneurship.

Composed of senior members of the House Ways and Means and Senate Finance committees, this non-partisan committee provides expert analysis on tax legislation for Congress. It prepares official revenue estimates for tax proposals and assists in drafting tax laws.