National Association of Railroad Passengers (NARP)
http://www.narprail.org/

American Passenger Rail Coalition (APRC)
http://www.aprc.org

National Corridors initiative (NCI)
http://www.nationalcorridors.org

United Rail Passenger Alliance (URPA)
http://www.unitedrail.org

Friends of Amtrak
http://www.trainweb.org/crocon/amtrak.html

Arizona

Arizona Association of Railroad Passengers (AzRail)
http://www.azrail.org

Arkansas

Arkansas Association of Railroad Passengers (ArkRail)
http://trainweb.org/arkrail/

California

Railroad Passenger Association of California (RailPAC)
http://www.railpac.org

Colorado

Colorado Rail Passenger Association (ColoRail)
http://www.colorail.org/

Delaware

Delaware Valley Association of Railroad Passengers (DVARP)
http://www.dvarp.org

Florida

Florida Coalition of Rail Passengers (FCRP) http://www.trainweb.org/fcrp/

Georgia

Georgia Association of Railroad Passengers (GARP)
http://www.trainweb.org/garp/

Louisiana

Louisiana Association of Railroad Passengers (LaARP)
http://www.ipt.com/aboard/la/la.htm

Kansas

Missouri-Kansas Rail Passenger Coalition (MOKSRail)
http://www.trainweb.org/moksrail

Massachusetts

Amherst Railway Society
http://www.AmherstRail.org

Michigan

Michigan Association of Railroad Passengers (MARP)
http://www.marp.org

Missouri

Missouri-Kansas Rail Passenger Coalition (MOKSRail)
http://www.trainweb.org/moksrail

Missourians for Rail Passenger Service
http://www.mopassengerrail.4t.com/

Nebraska

ProRail Nebraska
http://www.trainweb.org/prorailnebraska/

New Jersey

New Jersey Association of Railroad Passengers:
http://www.nj-arp.org
Email: info@nj-arp.org

New Mexico

(New Mexico) Rails, inc :
http://nmrails.org

Oklahoma

Oklahoma Passenger Rail Association
http://www.oklahomarail.org

PassengerRailOK.org
http://www.passengerrailok.org/

Heartland Flyer Coalition
http://www.heartlandflyer.com/

Pennsylvania

Delaware Valley Association of Railroad Passengers (DVARP)
http://www.dvarp.org

Texas

Texas Association of Rail Passengers
http://www.txarp.org/

Texas Rail Advocates
http://www.texasrailadvocates.org/

Texas Eagle support organization
http://www.texaseagle.com/home.htm

Washington

Washington Association of Railway Passengers (WashARP)
http://www.trainweb.com/washarp/
Email: Wisarp@hotmail.com

Wisconsin

Wisconsin Association of Railroad Passengers (WisARP)
http://www.wisarp.org/
Email: Wisarp@hotmail.com