The Spear Kennels
In the state of Iowa you will find the trustable Tip of the Spear Kennels has one goal: to produce amazing Neapolitan Mastiffs that can stand out in the crowd and that can become top quality specimens.
http://tipofthespearkennels.com/

McClure Mastini
At McClure Mastini there are excellence specimens for the Neapolitan Mastiff breed. Top quality studs are available and incredible bitches are to be found as well. Puppies are programmed.
http://www.mccluremastini.com