Below are links to a number of resources that might be of value to you in the areas of memorialization, funeral planning, and cremation services.
Funeral Consumers Alliance (https://www.funerals.org/index.php). The FCA is the only nonprofit charity focused on protecting the rights and interests of consumers doing business with the funeral industry.
Cremation.com (http://www.cremation.com/). An online guide for finding cremation services providers throughout the United States.
A Good Goodbye (http://www.thefamilyplot.wordpress.com). Gail Rubin's blog about "funeral planning for those who don't plan to die." Great stuff.
DeathCare(.com) (http://www.deathcare.com/). This site is focused on providing information and insight into various aspects of the death care industry, and increasing awareness about funeral options.
Green Burial Council (http://www.greenburialcouncil.org/). Information about eco-friendly and environmentally sustainable death care and funeral options.
Cremation Resource (http://www.cremationresource.org/). A website devoted to all things cremation and answering all of your questions about the how and why of cremation in the United States.
Cremation (.com) (http://www.cremation.com/). An online directory of cremation services providers throughout the United States and Canada.
Cremation Association of North America (http://www.cremationassociation.org/). Cremation-centric information and links to various aspects of the death care industry.
International Cemetery, Cremation, & Funeral Association (http://www.iccfa.com/). Promoting consumer choices, prearrangement, and open competition in the funeral industry.
TSA Urn Restrictions (https://www.tsa.gov/travel/security-screening/whatcanibring/items/cremated-remains). The official word on traveling with urns through airports.