J & K Genetics
- Offers purebred showpigs and pig semen.
- http://clublambpage.com/lambright/j&kgenetics.htm

Penner Hampshires
- Breeders of Hampshire Hogs offering boars, gilts, show pigs and semen. Located in Plymouth, NE.
- http://www.pennerhamps.com/

Ifft Yorkshires
- Family seedstock operation located near Fairbury in east-central Illinois, specializing in Yorkshire breeding stock and show pigs. Includes animals for sale and links.
- http://www.ifftyorkshires.com/

Walker Show Pigs
- Breeding quality prospect show pigs year round. Breeding stock, showpigs, show pig sires and boar semen. Located in Michigantown, Indiana.
- http://www.walkershowpigs.com

Top Cut Showpig Sires International
- Offers hampshire, exotic, duroc, yorkshire, spot, and chester white semen. Features boars and company information.
- http://www.topcutsires.com/

SSG Gold Rush
- Show pig and commercial boar semen and breeding stock. Includes boars, company information and champions.
- http://www.ssggoldrush.com/

Southern Advantage Sires
- Offers show pig semen. Includes prices, boars, and company information.
- http://www.sasires.com/

Showpig.com
- Includes breeder listings, sales calendar and events calendar.
- http://www.showpig.com

Real McCoy Genetics
- An AI boar stud containing multicple breeds and exotic crosses specializing in show pig production and terminal semem. Maintaing a farrowing operation selling show pigs and breeding stock. Located in Ohio, USA.
- http://www.realmccoygenetics.com/

Purple Power Boar Stud
- Offers semen from yorkshire, hampshire, durocs, poland china, spot, and exotic show pig boars. Includes company and boar information.
- http://www.purplepowerboarstud.com/

Prairie State Semen, Inc.
- Boar stud and hog semen supplier, offers semen from champion Hampshires, Yorkshires, Durcos, Pietrain, and show pigs sires. Located in Champaign, Illinois, USA.
- http://www.showpigs.com/

Miller Show Pigs
- Offers show pigs and semen. Includes contact information, animals available, and champions.
- http://www.millershowpigs.com/

Ledger Swine Farms
- Offers terminal and show pig boars and semen. Includes boar information, sales, and company information.
- http://www.ledgerswinefarms.com/

Lean Value Sires
- Offers semen from show pig boars. Includes catalog of boars, news and events, and ordering information.
- http://www.leanvaluesires.com/

4K Farms
- Show pigs.
- http://www.thepigpage.com/4kfarms/homepage.htm

Isler Genetics
- Offers commercial and show pig breeding stock and semen. Includes sale catalog and news.
- http://www.islergenetics.com/

Hoosier State Semen Service
- Produces show pigs and breeding stock. Includes sires and champions.
- http://www.hoosierstatesemen.com/

Hi Point Genetics, Inc. Boar Stud
- Showpig and commercial boar genetics with hampshire, duroc, yorkshire, black terminal, whiteline, and spot boars. Includes champions, calendar, and ordering information.
- http://www.hipointgenetics.com/

George Duroc Farms
- Offers semen and show pigs. Includes animals available, champions, and FAQ.
- http://www.georgeshowpigs.com/

Genetic Edge
- Offers show pigs and breeding stock. Includes sale dates and animals available.
- http://www.geneticedge.com/

Cain Super Sires
- Offers semen, breeding stock, and show pigs. Includes products, animals, champions, and events.
- http://www.cainfarms.com/