| NCNutra-flo CO INC - Kay-dee Plant | Sioux City | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| AAAspen Api INC | Sioux City | IA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| CICargill Inc-sioux City-refinery | Sioux City | IA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| DIDarling International | Sioux City | IA | Food Manufacturing311225 | — | ◇ UNVERIFIED |
| EEElastomer Engineering INC | Sioux City | IA | Plastics and Rubber Products Manufacturing326291 | — | ◇ UNVERIFIED |
| GMGeneral Motors S.c. | Sioux City | IA | Transportation Equipment Manufacturing336311 | — | ◇ UNVERIFIED |
| JMJohn Morrell & Company - Siou | Sioux City | IA | Food Manufacturing311611 | — | ◇ UNVERIFIED |
| KNKent Nutrition Group Inc-sioux City | Sioux City | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| MVMissouri Valley Steel Company | Sioux City | IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| PMPrince Mfg CORP | Sioux City | IA | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| WTWilson Trailer Co-plant #1 | Sioux City | IA | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| 1S110 Sj, LLC | Sioux City | IA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| AAAdm Archer Daniel Midland | Sioux City | IA | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| IFIrving F Jensen CO Dba Castle Rock Const | Sioux City | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RSRadius Steel Fabrication | Sioux City | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| RRocktenn | Sioux City | IA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| SCSioux City Tarp | Sioux City | IA | Textile Product Mills314912 | — | ◇ UNVERIFIED |
| TSTriview Steel & Supply INC. | Sioux City | IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| TFTur-pak Foods, INC. | Sioux City | IA | Food Manufacturing311612 | — | ◇ UNVERIFIED |
| WCWestrock Cp LLC | Sioux City | IA | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
