- NC State University Research Unit 2 (Raleigh, N.C.)12
- Wingate Collier South River Farm (Wade, N.C.)8
- Amos Butler Farm (Roseboro, N.C.)7
- Neuhoff Swine Farm (Max Meadows, Va.)7
- ABA Farms (Autryville, N.C.)6
- McLean Farms, Inc. (Henderson County, N.C.)6
- Neuhoff Farms (Richlands, N.C.)6
- Charles Page Farm (Clarkton, N.C.)4
- D&D Farms (Metter, Ga.)4
- David Allred Farm (Robbins, N.C.)4
- Ross Stephens Dairy (Liberty, N.C.)4
- Steve Reedy Farm (Warsaw, N.C.)4
- Hickory Nut Gap Farm (Fairview, N.C.)3
- Kester Sink Farm (Mount Airy, N.C.)3
- T. E. Tyndall Farm (Snow Hill, N.C.)3
- Tommy Wellington Farm (Lumberton, N.C.)3
- W. W. "Pete" McElmurray Eastover Hog Farm (Eastover, S.C.)3
- Alvis Hodges Farm (Yanceyville, N.C.)2
- Ben Lloyd Dairy (Orange County, N.C.)2
- Bill Spruill Farm (Castalia, N.C.)2