| ACAmerican Concrete Products INC | Adel | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products INC | Lakota | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ACAmerican Concrete Products Incorporated | Mount Ayr | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| ACAmerican Contract Systems INC | Urbandale | IA | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| AFAmerican Finishing Resources | Eldridge | IA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| AHAmerican Hydraulics | Red Oak | IA | Transportation Equipment Manufacturing336340 | — | ◇ UNVERIFIED |
| APAndrews Prestressed Concrete INC | Clear Lake | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| AGAnkeny Glass, INC | Des Moines | IA | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| AAArch Aluminum & Glass CO INC | Bettendorf | IA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
 Archer Daniels Midland - Keokuk | Keokuk | IA | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| AGArctic Glacier Premium Ice | Dubuque | IA | Beverage and Tobacco Product Manufacturing312113 | — | ◇ UNVERIFIED |
| AAArrow Acme CORP. | Webster City | IA | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| AGAsh Grove Cement CO | Des Moines | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| AAAspen Api INC | Sioux City | IA | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
 Associated Milk Producers, INC. Arlington | Arlington | IA | Food Manufacturing311511 | — | ◇ UNVERIFIED |
| AIAstoria Industries of Iowa, INC - Chariton | Chariton | IA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| ARA-tec Recycling INC | Des Moines | IA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| AMAtwood Mobile Products, LLC | West Union | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| ASAxtell Sales INC | Des Moines | IA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| BIBarnstead International | Dubuque | IA | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| BPBarrett Plating INC | Des Moines | IA | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| BBBauer Built INC | Des Moines | IA | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| BCBayer Cropscience LP | Des Moines | IA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| BFBazooka Farmstar INC | Washington | IA | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| BFBazooka Farmstar INC. | Washington | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| BMBenco Manufacturing | Belle Plaine | IA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BTBeneficial Technologies LLC - Camanche | Camanche | IA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| BSBergland Sheet Metal Contractors INC | Urbandale | IA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| B1Bindery 1 | Des Moines | IA | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |
| BMBituminous Materials and Supply, LP | Des Moines | IA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BCBlack Cat Blades - Wear Parts | De Witt | IA | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| BFBlackhawk Foundry & Machine CO | Davenport | IA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| BSBlacktop Service Co-plant #5-allison | Allison | IA | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BEBlended Equipment Solutions | Altoona | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BFBloomfield Foundry, INC | Bloomfield | IA | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| BBBlue Bird Midwest | Mount Pleasant | IA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BUBox USA | Fort Madison | IA | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| BABranded Apparel | Marion | IA | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| BFBrand Fx Body Co-manson | Manson | IA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| BFBrand Fx LLC | Swea City | IA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| BABridgestone Americas Tire Operations | Des Moines | IA | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| BMBurget Mill INC | Altoona | IA | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| CPCalcium Products INC | Fort Dodge | IA | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
| CMCamso Manufacturing USA LTD | Peosta | IA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CCCar-freshner Corporation | De Witt | IA | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| CICargill, INC. | Des Moines | IA | Food Manufacturing311222 | — | ◇ UNVERIFIED |
| CICargill Inc-sioux City-refinery | Sioux City | IA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| CTCarry-on Trailer CORP. | Missouri Valley | IA | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| CDCatalyst - Division of Dynamite Marketing INC. | Des Moines | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| CBC B M Trading INC | Wilton | IA | Fabricated Metal Product Manufacturing332992 | — | ◇ UNVERIFIED |
