| SHSalida Hulling Association | Modesto | CA | — | ◇ UNVERIFIED |
| SASalisbury Ag Center Inc-salisbury Ag Center INC | Salisbury | MO | — | ◇ UNVERIFIED |
| SFSanderson Farms INC | Kinston | NC | — | ◇ UNVERIFIED |
| SFSanderson Farms, INC. | Hazlehurst | MS | — | ◇ UNVERIFIED |
| SFSanderson Farms Llc, Hazlehurst Production | Gallman | MS | — | ◇ UNVERIFIED |
| SFSanderson Farms Oakwood Facility | Oakwood | TX | — | ◇ UNVERIFIED |
| SAS and S Feed Mills / Shawnee | Shawnee | OK | — | ◇ UNVERIFIED |
| SMSan Miguel Flouring Mill CO | San Miguel | CA | — | ◇ UNVERIFIED |
| SRSantiam River | Canby | OR | — | ◇ UNVERIFIED |
| SLSaticoy Lemon Assoc-plt 2 | Fillmore | CA | — | ◇ UNVERIFIED |
| SFSaukville Feed Supplies, INC. | Jackson | WI | — | ◇ UNVERIFIED |
| SHSawyer Hay & Cube, LLC | Clarendon | TX | — | ◇ UNVERIFIED |
| SFSchott Feed and Supply, INC. | Alliance | OH | — | ◇ UNVERIFIED |
| SFSchwartz Finishing LLC | Leigh | NE | — | ◇ UNVERIFIED |
| SPScott Pet Incorporated | Rockville | IN | — | ◇ UNVERIFIED |
| SPScully Packing | Lakeport | CA | — | ◇ UNVERIFIED |
| SPScully Packing Co., LLC | Finley | CA | — | ◇ UNVERIFIED |
| SFSeaboard Food of Iowa | Iowa Falls | IA | — | ◇ UNVERIFIED |
| SFSeaboard Foods - Hugoton | Hugoton | KS | — | ◇ UNVERIFIED |
| SFSeaboard Foods LLC | Guymon | OK | — | ◇ UNVERIFIED |
| SFSeaboard Foods LLC - Holyoke Feedmill | Holyoke Area | CO | — | ◇ UNVERIFIED |
| SFSeaboard Foods, LP | Leoti | KS | — | ◇ UNVERIFIED |
| SWSeeds West INC | El Centro | CA | — | ◇ UNVERIFIED |
| SVSeminis Vegatable Seeds INC | Woodland | CA | — | ◇ UNVERIFIED |
| SSSeminole Stores | Ocala | FL | — | ◇ UNVERIFIED |
| STSemi Tropic Coop Gin | Wasco | CA | — | ◇ UNVERIFIED |
| SSenestech | Surprise | AZ | — | ◇ UNVERIFIED |
| SFSensenig's Feed Mill | New Holland | PA | — | ◇ UNVERIFIED |
| SNSensient Natural Ingredients Cortez | Turlock | CA | — | ◇ UNVERIFIED |
| SPSevern Peanut Company INC Dba Ready Roast Nut Company | Madera | CA | — | ◇ UNVERIFIED |
| SDSexauer Discount Farm Services, INC. | Brookings | SD | — | ◇ UNVERIFIED |
| SHShafter Hay & Cube LLC | Buttonwillow | CA | — | ◇ UNVERIFIED |
| SDSheila Dempsey | Jane Lew | WV | — | ◇ UNVERIFIED |
| SFSherwood Forest Natural Rabbit Food LLC | Logan | UT | — | ◇ UNVERIFIED |
| SISiemens Industries, INC. | Little Rock | AR | — | ◇ UNVERIFIED |
| SVSierra Valley Hulling LLC | Firebaugh | CA | — | ◇ UNVERIFIED |
| SSSilver State Blending LLC | Stockton | CA | — | ◇ UNVERIFIED |
| SFSimmons Foods | Fairland | OK | — | ◇ UNVERIFIED |
| SFSimmons Foods, INC. | Fairland | OK | — | ◇ UNVERIFIED |
| SFSimmons Foods Inc-southwest City | South West City | MO | — | ◇ UNVERIFIED |
| SFSimonian Fruit Company | Fowler | CA | — | ◇ UNVERIFIED |
| SMSimoni & Massoni Farms LLC | Byron | CA | — | ◇ UNVERIFIED |
| SWSimplot Western Stockmens | Burley | ID | — | ◇ UNVERIFIED |
| SFSmart Feed Tech Real Property, LLC | Oxford | MA | — | ◇ UNVERIFIED |
| SFSmithfield Foods - Rosemary Feed Mill | Rose Hill | NC | — | ◇ UNVERIFIED |
| SGSmithfield Grain - Calypso Elevator | Calypso | NC | — | ◇ UNVERIFIED |
| SGSmithfield Grain - Greenville Bakery | Greenville | SC | — | ◇ UNVERIFIED |
| SHSmithfield Hog Production, Rocky Mtn Region - Swine Feed Mill | Milford | UT | — | ◇ UNVERIFIED |
| SPSmucker Pelleting, LLC | Harrisburg | OR | — | ◇ UNVERIFIED |
| SLSolae, LLC Dba Dupont Soy Polymers | Louisville | KY | — | ◇ UNVERIFIED |
