Senate Committee on Commerce, Science, and Transportation

http://commerce.senate.gov/

Chair:
Sen. John Thune [R-SD]
Ranking Member:
Sen. Bill Nelson [D-FL]
Republicans:
14
Democrats:
13

The chair is always selected from the majority party and the ranking member is the most senior member of the minority party. The majority party ensures it has a majority on every committee.

Chair
John Thune
South Dakota
Republican
Ranking Member
Bill Nelson
Florida
Democrat
Aviation ...
Roy Blunt
Missouri
Republican
Space, ...
Ted Cruz
Texas
Republican
Surface ...
Deb Fischer
Consumer ...
Jerry Moran
Kansas
Republican
Oceans, ...
Dan Sullivan
Alaska
Republican
Communications, ...
Roger Wicker
Mississippi
Republican
Consumer ...
Richard Blumenthal
Connecticut
Democrat
Surface ...
Cory Booker
New Jersey
Democrat
Aviation ...
Maria Cantwell
Washington
Democrat
Ranking Member, Subcommittee on Aviation Operations, Safety, and Security
Space, ...
Edward “Ed” Markey
Massachusetts
Democrat
Ranking Member, Subcommittee on Space, Science, and Competitiveness
Oceans, ...
Gary Peters
Michigan
Democrat
Ranking Member, Subcommittee on Oceans, Atmosphere, Fisheries, and Coast Guard
Communications, ...
Brian Schatz
Hawaii
Democrat
Tammy Baldwin
Wisconsin
Democrat
Shelley Capito
West Virginia
Republican
Catherine Cortez Masto
Nevada
Democrat
Tammy Duckworth
Illinois
Democrat
Cory Gardner
Colorado
Republican
Margaret “Maggie” Hassan
New Hampshire
Democrat
Dean Heller
Nevada
Republican
James “Jim” Inhofe
Oklahoma
Republican
Ron Johnson
Wisconsin
Republican
Amy Klobuchar
Minnesota
Democrat
Mike Lee
Utah
Republican
Tom Udall
New Mexico
Democrat
Todd Young
Indiana
Republican

There are 106 bills referred to this committee. Below find the top 100: