House Committee on Homeland Security

The Committee on Homeland Security was established in 2002 to provide Congressional oversight for the U.S. Department of Homeland Security and better protect the American people against a possible terrorist attack.  (source)

http://homeland.house.gov/

Chairman:
Rep. Michael McCaul [R-TX10]
Ranking Member:
Rep. Bennie Thompson [D-MS2]
Republicans:
18
Democrats:
12

The chairman 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.

Chairman
Michael McCaul
TX-10
Republican
Ex Officio, Subcommittee on Counterterrorism and Intelligence
Ranking Member
Bennie Thompson
MS-2
Democrat
Ex Officio, Subcommittee on Counterterrorism and Intelligence
Emergency ...
Daniel Donovan Jr.
NY-11
Republican
Transportation ...
John Katko
NY-24
Republican
Chairman, Subcommittee on Transportation and Protective Security
Counterterrorism ...
Peter “Pete” King
NY-2
Republican
Chairman, Subcommittee on Counterterrorism and Intelligence
Border ...
Martha McSally
AZ-2
Republican
Chairman, Subcommittee on Border and Maritime Security
Oversight ...
Scott Perry
PA-4
Republican
Chairman, Subcommittee on Oversight and Management Efficiency
Cybersecurity ...
John Ratcliffe
TX-4
Republican
Oversight ...
Luis Correa
CA-46
Democrat
Ranking Member, Subcommittee on Oversight and Management Efficiency
Emergency ...
Donald Payne Jr.
NJ-10
Democrat
Counterterrorism ...
Kathleen Rice
NY-4
Democrat
Ranking Member, Subcommittee on Counterterrorism and Intelligence
Cybersecurity ...
Cedric Richmond
LA-2
Democrat
Ranking Member, Subcommittee on Cybersecurity and Infrastructure Protection
Border ...
Filemon Vela
TX-34
Democrat
Ranking Member, Subcommittee on Border and Maritime Security
Transportation ...
Bonnie Watson Coleman
NJ-12
Democrat
Ranking Member, Subcommittee on Transportation and Protective Security
Lou Barletta
PA-11
Republican
Nanette Barragán
CA-44
Democrat
Val Demings
FL-10
Democrat
Jeff Duncan
SC-3
Republican
Brian Fitzpatrick
PA-8
Republican
Mike Gallagher
WI-8
Republican
Thomas Garrett
VA-5
Republican
Clay Higgins
LA-3
Republican
Will Hurd
TX-23
Republican
Sheila Jackson Lee
TX-18
Democrat
William Keating
MA-9
Democrat
James “Jim” Langevin
RI-2
Democrat
Tom Marino
PA-10
Republican
Mike Rogers
AL-3
Republican
John Rutherford
FL-4
Republican
Lamar Smith
TX-21
Republican

There are 112 bills referred to this committee. Below find the top 100: