Non-profit group dedicated to reuniting Long Island and NYC pet owners with their lost pets. For a fee, maintains pet information and photo in case of loss and provides ID tag with 24-hour phone number. http://www.petline.org/
Free lost and found companion animal ads by country, state (province) and city, including the USDA's Missing Pet Network missing/stolen horses website. http://www.flealess.org/lostpets/index.html
Company offers individual websites with one or more photos of a lost cat or dog. Owners can then reference the exclusive URL in all their ads. Sample sites and ordering information. http://www.savethepet.com/
Database of lost and found dogs. Offers tips for searching, poster template, and individual web pages for lost dogs. Will notify area vets and shelters of a lost dog for a fee. http://dogdetective.com/