| DFDaybreak Foods Inc-estherville | Estherville | — | ◐ LIKELY ACTIVE |
| DFDecoster Farms of Iowa | Galt | — | ◐ LIKELY ACTIVE |
| DVDiamond V Mills INC - South Plant | Cedar Rapids | — | ◐ LIKELY ACTIVE |
| EHEmbria Health Sciences LLC | Ankeny | 1–19 | ◐ LIKELY ACTIVE |
| EPEssentia Protein Solutions | Harlan | — | ◐ LIKELY ACTIVE |
| FEFeed Energy Pacific Junction | Pacific Junction | 1–19 | ◐ LIKELY ACTIVE |
| GPGrain Processing Corporation - Grinnell | Grinnell | 20–99 | ◐ LIKELY ACTIVE |
| GCGuthrie Center Egg Farm | Guthrie Center | — | ◐ LIKELY ACTIVE |
| HHHBC Holdings, LLC | Sioux City | 1–19 | ◐ LIKELY ACTIVE |
| HFHy-vee Fresh Commissary | Ankeny | 100–499 | ◐ LIKELY ACTIVE |
| JDJohn Deere Waterloo Works - Tcao - Donald St | Waterloo | — | ◐ LIKELY ACTIVE |
| KNKent Nutrition Group - Sheldon | Sheldon | 20–99 | ◐ LIKELY ACTIVE |
| NPNestle' Purina Petcare Company - Clinton | Clinton | — | ◐ LIKELY ACTIVE |
| OIOsi Industries, LLC | Oakland | 500+ | ◐ LIKELY ACTIVE |
| OFOskaloosa Food Products | Oskaloosa | 20–99 | ◐ LIKELY ACTIVE |
Rei Enterprises LLC | New Hampton | — | ◐ LIKELY ACTIVE |
| RERembrandt Enterprises, INC. | Thompson | — | ◐ LIKELY ACTIVE |
| SISig International, Iowa, Inc. | Boyden | 20–99 | ◐ LIKELY ACTIVE |
| SPSmithfield Packaged Meats CORP. - Sioux City, Ia | Sioux City | — | ◐ LIKELY ACTIVE |
| SVSwiss Valley Farms Cooperative | Luana | — | ◐ LIKELY ACTIVE |
| WCWacker Chemical Corporation | Eddyville | — | ◐ LIKELY ACTIVE |
| ZCZinpro CORP | Garner | — | ◐ LIKELY ACTIVE |
| AAAdm - Animal Health & Nutrition | Des Moines | — | ◐ LIKELY ACTIVE |
| ADAdm Des Moines | Des Moines | — | ◐ LIKELY ACTIVE |
| APAg Processing INC | Emmetsburg | — | ◐ LIKELY ACTIVE |
| APAg Processing Inc-eagle Grove | Eagle Grove | — | ◐ LIKELY ACTIVE |
| AIAgropur INC | Hull | — | ◐ LIKELY ACTIVE |
| ANAhn North America INC - Heartland Ingredients | Eddyville | — | ◐ LIKELY ACTIVE |
Archer Daniels Midland Company - Cedar Rapids | Cedar Rapids | — | ◐ LIKELY ACTIVE |
Associated Milk Producers INC | Sanborn | — | ◐ LIKELY ACTIVE |
| CICargill, INC. | Cedar Rapids | — | ◐ LIKELY ACTIVE |
| CICargill INC - East Soybean Plant | Cedar Rapids | — | ◐ LIKELY ACTIVE |
| CICargill INC Nutrena Feeds Div | West Branch | — | ◐ LIKELY ACTIVE |
| CFConagra Frozen Foods Council Bluffs Ia | Council Bluffs | — | ◐ LIKELY ACTIVE |
| CMCountry Maid INC. | West Bend | 20–99 | ◐ LIKELY ACTIVE |
| DDairiconcepts | Allerton | — | ◐ LIKELY ACTIVE |
| DIDarling International INC | Clinton | — | ◐ LIKELY ACTIVE |
| DNDsm Nutritional Products INC | Ames | — | ◐ LIKELY ACTIVE |
| FCFarmers Coop CO. - Afton Branch | Afton | — | ◐ LIKELY ACTIVE |
| FNFrontier Natural Products Coop | Norway | 500+ | ◐ LIKELY ACTIVE |
| GUGelita USA | Sergeant Bluff | 100–499 | ◐ LIKELY ACTIVE |
General Mills Operation INC | Carlisle | — | ◐ LIKELY ACTIVE |
| HFHubbard Feeds INC - South Plant | Sioux City | — | ◐ LIKELY ACTIVE |
| IQIowa Quality Beef | Tama | — | ◐ LIKELY ACTIVE |
| KIKemin Industries, INC. - Des Moines Facility | Des Moines | — | ◐ LIKELY ACTIVE |
| KNKent Nutrition Group INC | Altoona | — | ◐ LIKELY ACTIVE |
| LOLand O'lakes Purina Feed LLC - Clarence | Clarence | — | ◐ LIKELY ACTIVE |
| LCLandus Cooperative - Ralston | Ralston | — | ◐ LIKELY ACTIVE |
| MGM G Waldbaum Company | Britt | — | ◐ LIKELY ACTIVE |
| MFMichael Foods-epc | Lenox | — | ◐ LIKELY ACTIVE |