The Congressional Progressive Caucus (CPC) has more than 70 and members, 10 of whom chair or co-chair half of the 20 standing committees of the House of Representatives, according to Wikipedia:

Arizona

• Ed Pastor (D-AZ-4, Phoenix)
• Raúl Grijalva (D-AZ-7, Tucson) - Co-Chair

California

• Lynn Woolsey (D-CA-6, Santa Rosa) - Co-Chair
• George Miller (D-CA-7, Richmond) - Chairman, House Education and Labor Committee
• Barbara Lee (D-CA-9, Oakland) - Chairwoman, Congressional Black Caucus
• Pete Stark (D-CA-13, Fremont)
• Michael Honda (D-CA-15, San Jose)
• Sam Farr (D-CA-17, Monterey)
• Henry Waxman (D-CA-30, Los Angeles) - Chairman, House Energy and Commerce Committee
• Xavier Becerra (D-CA-31, Los Angeles)
• Judy Chu (D-CA-32, El Monte)
• Diane Watson (D-CA-33, Los Angeles)
• Lucille Roybal-Allard (D-CA-34, Los Angeles)
• Maxine Waters (D-CA-35, Inglewood)
• Laura Richardson (D-CA-37, Long Beach)
• Linda Sanchez (D-CA-39, Lakewood)
• Bob Filner (D-CA-51, San Diego) - Chairman, House Veterans Affairs Committee

Colorado

Connecticut

• Rosa DeLauro (D-CT-3, New Haven)

Florida

• Corrine Brown (D-FL-3, Jacksonville)
• Alan Grayson (D-FL-8, Orlando)
• Robert Wexler (D-FL-19, Boca Raton)
• Alcee Hastings (D-FL-23, Fort Lauderdale)

Georgia

• Hank Johnson (D-GA-4, Lithonia)
• John Lewis (D-GA-5, Atlanta)

Hawaii

• Neil Abercrombie (D-HI-1, Honolulu)
• Mazie Hirono (D-HI-2, Honolulu)

Illinois

• Bobby Rush (D-IL-1, Chicago)
• Jesse Jackson, Jr. (D-IL-2, Chicago Heights)
• Luis Gutierrez (D-IL-4, Chicago)
• Danny Davis (D-IL-7, Chicago)
• Jan Schakowsky (D-IL-9, Chicago)
• Phil Hare (D-IL-17, Rock Island)

Indiana

• André Carson (D-IN-7, Indianapolis)

Iowa

• Dave Loebsack (D-IA-2, Cedar Rapids)

Maine

• Chellie Pingree (D-ME-1, North Haven)

Maryland

• Donna Edwards (D-MD-4, Fort Washington)
• Elijah Cummings (D-MD-7, Baltimore)

Massachusetts

• John Olver (D-MA-1, Amherst)
• Jim McGovern (D-MA-3, Worcester)
• Barney Frank (D-MA-4, Newton) - Chairman, House Financial Services Committee
• John Tierney (D-MA-6, Salem)
• Ed Markey (D-MA-7, Malden)
• Mike Capuano (D-MA-8, Boston)
• Carolyn Cheeks Kilpatrick (D-MI-13, Detroit)
• John Conyers (D-MI-14, Detroit) - Chairman, House Judiciary Committee

Minnesota

• Keith Ellison (D-MN-5, Minneapolis)

Mississippi

• Bennie Thompson (D-MS-2, Bolton) - Chairman, House Homeland Security Committee

Missouri

• William Lacy Clay, Jr. (D-MO-1, St. Louis)
• Emanuel Cleaver (D-MO-5, Kansas City)

New Jersey

• Donald Payne (D-NJ-10, Newark)
• Frank Pallone (D-NJ-06)

New Mexico

• Ben R. Luján (D-NM-3, Santa Fe)

New York

• Jerry Nadler (D-NY-8, Manhattan)
• Yvette Clarke (D-NY-11, Brooklyn)
• Nydia Velazquez (D-NY-12, Brooklyn) - Chairwoman, House Small Business Committee
• Carolyn Maloney (D-NY-14, Manhattan)
• Charles Rangel (D-NY-15, Harlem) - Chairman, House Ways and Means Committee
• Jose Serrano (D-NY-16, Bronx)
• John Hall (D-NY-19, Dover Plains)
• Maurice Hinchey (D-NY-22, Saugerties)
• Louise Slaughter (D-NY-28, Rochester) - Chairwoman, House Rules Committee
• Eric Massa (D-NY-29, Corning)

North Carolina

• Mel Watt (D-NC-12, Charlotte)

Ohio

• Marcy Kaptur (D-OH-9, Toledo)
• Dennis Kucinich (D-OH-10, Cleveland)
• Marcia Fudge (D-OH-11, Warrensville Heights)

Oregon

• Earl Blumenauer (D-OR-3, Portland)
• Peter DeFazio (D-OR-4, Eugene)

Pennsylvania

• Bob Brady (D-PA-1, Philadelphia) - Chairman, House Administration Committee
• Chaka Fattah (D-PA-2, Philadelphia)

Tennessee

• Steve Cohen (D-TN-9, Memphis)

Texas

• Sheila Jackson-Lee (D-TX-18, Houston)
• Eddie Bernice Johnson (D-TX-30, Dallas)

Virginia

• Jim Moran (D-VA-8, Alexandria)

Vermont

• Peter Welch (D-VT-At Large)

Washington

• Jim McDermott (D-WA-7, Seattle)

Wisconsin

• Tammy Baldwin (D-WI-2, Madison)
• Gwen Moore (D-WI-4, Milwaukee)

Non-voting

• Donna M. Christensen (D-Virgin Islands)
• Eleanor Holmes Norton (D-District of Columbia)