Company	# of Sows
1. Smithfield Foods	798,000
2. Premium Standard Farms	221,000
3. Seaboard Foods	213,600
4. Iowa Select Farms	150,000
5. Christensen Farms	148,800
6. Prestige Farms	140,000
7. The Maschhoffs	115,000
8. The Pipestone System	110,000
9. Cargill	94,000
10. Goldsboro Hog Farm	76,000