Allevamento De Los Santos
- Colombia based breeder. Features photographs, origin, and news.
- http://www.mastinodsantos.com/

Carso del Dolar
- Breed description, photographs, kennel history, show results, pedigrees, and photograph album. Slovenia.
- http://www.mefisto.si/mastino/

Vesuvio
- Raising dogs for pets and show. Kennel history, message board, pictures of their dogs, frequently asked questions, videos, and litter announcements. Australia.
- http://www.dogwatch.com.au/mastinos/

Gothic Mastini Nepolitani
- Pictures of their dogs and breeding plans. Baltimore, Maryland.
- http://www.gothicmastini.com

Rocky's Hill Kennel
- Pictures, breed characteristics and history, and email postcards. Burson, California.
- http://www.neomastiff.com

Cheran
- Litter announcements, photographs, news, and frequently asked questions about the breed..
- http://www.cheran.pwp.blueyonder.co.uk/

Fruit d' Amour
- Pictures and pedigrees of their dogs. Hungary.
- http://www.eliteltd.hu/

Lions Den Kennel
- Photographs, pedigrees, and information on upcoming litters. Hawaii.
- http://www.lionsdenkennel.net/

Dommergaardens
- Litter announcements, pedigrees, and related links. Denmark.
- http://www.dommergaardens.webbyen.dk/

Italian Imported Neos
- Imports champion Neapolitan Mastiffs from Italy to the United States, from Del Gheno Allevamenti. Features online application and available puppies.
- http://www.importaneo.com/

Glover Mastino Napoletano
- Litter announcements, pedigrees, and photograph galleries. Czech Republic.
- http://mastino-napoletano.cz/

Magnufi
- Photographs, information on health concerns and testing, suggested reading list, kennel background, and breed information. Kerrabee, New South Wales, Australia.
- http://www.magnufi.com/

Baby Blue
- Photographs, pedigrees, news, and breeding plans. Claremont, Ontario.
- http://www.neapolitan.ca/

Graecia Magna
- General information on the breed and photographs. Greece.
- http://www.mastino.gr/

Del Feudo Nisseno
- Photographs and pedigrees of their dogs, kennel and breed history, litter announcements, historical photograph gallery, and suggested links. Los Angeles, California.
- http://www.mastinodelnisseno.com/

Blue Blood Kennels
- North Carolina based breeder. Features photos and list of puppies available.
- http://www.bluebloodkennel.com

Michianti Kennel
- UK based breeder. Features photographs and health information on the Neapolitan Mastiffs and Bullmastiffs.
- http://www.michianti.co.uk/

Drool 'N' Destruction
- Photographs, pedigrees, show dates, litter announcements, and rescue links. St. Anthony, Idaho.
- http://www.drool-n-destruction.com/

Atlanta's House
- Photographs, breed information and care tips, breeder's history, and links. Atlanta, Georgia.
- http://www.neomastino.com/

Seraph's Kennel
- Breeder based in Sweden. Features breed information, pictures, planned litters, pedigrees, and books.
- http://www.ettnet.se/~luna/

Ironstone
- Breed information, show news, and breeding plans. Boyertown, Pennsylvania.
- http://www.ironstone.net/index.html

Canil Signori d'Arezzo
- History, pictures, breed standard, and their achievements.
- http://www.mastim.com/

Cinciripini's
- Photographs, kennel background, and information on stud services. Spanaway, Washington.
- http://www.cmastino.com/

Gopher Canyon
- Breed history, photographs, frequently asked questions, and breeding standards. San Diego, California.
- http://www.neapolitan.com/