| BBBlush Boutique | Eddyville | IA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| BSBoji Spudz LLC | Arnolds Park | IA | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| BRBolsinger Rebar INC | Cascade | IA | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| BOBoylers Ornamental Iron INC. | Bettendorf | IA | Fabricated Metal Product Manufacturing332995 | — | ◇ UNVERIFIED |
| BLBpdg17, L.l.c. | Moorland | IA | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| BPBP Pollema, LLC | Doon | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| BFBrand Fab LLC | Ely | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| BCBrect Co., L.l.c. | Panora | IA | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| BBBremer Brewing, LLC | Waverly | IA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| BABridgestone Americas Tire Operations, LLC | Des Moines | IA | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| BBBridgestone Bandag LLC | Muscatine | IA | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| BABridgestone/firestone Agricultural Tire Div. | Des Moines | IA | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| BRBrightmark Rng Facility - Black Soil | Granville | IA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| BRBrightmark Rng Facility - Kirkman | Kirkman | IA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| BRBrightmark Rng Facility - Legacy | Sanborn | IA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| BRBrightmark Rng Facility - Roorda | Paullina | IA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| BRBrightmark Rng Facility - Van Ess | Sanborn | IA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| BBBrown Bear Corporation | Corning | IA | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| BSBuilders Sand and Cement CO. INC. | Davenport | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BBunge | Council Bluffs | IA | Food Manufacturing311224 | — | ◇ UNVERIFIED |
| CCamp365 | Albia | IA | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| CMCanaan Machine and Tool | Mount Union | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CMCarfrae Meat CO INC | Cedar Rapids | IA | Food Manufacturing311611 | — | ◇ UNVERIFIED |
| CICargill, INC - Eddyville | Eddyville | IA | Food Manufacturing311221 | — | ◇ UNVERIFIED |
| CFCarmi Flavor and Fragrance | Waverly | IA | Food Manufacturing311930 | — | ◇ UNVERIFIED |
| CPCarter Printing Company | — | IA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| CRCarve R Way LLC | Mount Vernon | IA | Furniture and Related Product Manufacturing337212 | — | ◇ UNVERIFIED |
| CLCascade Lumber Company | Cascade | IA | Wood Product Manufacturing321214 | — | ◇ UNVERIFIED |
| CBCeco Building Systems | Mount Pleasant | IA | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| CEC Enterprises | Albia | IA | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| CCCentral Custom Brass LLC | Estherville | IA | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| CICentral Iowa Building Supply, INC. | Webster City | IA | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| CICentral Iowa Ready Mix | Denison | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICentral Iowa Ready Mix Audubon | Audubon | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICentral Iowa Ready Mix - Audubon Facility | Audubon | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICentral Iowa Ready Mix Manning | Manning | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICentral Iowa Ready Mix Mt. Ayr | Mount Ayr | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICentral Iowa Ready Mix Perry | Perry | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICentral Iowa Ready Mix Shenandoah | Shenandoah | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CGCertainteed Gypsum & Ceiling Mfg, INC | Fort Dodge | IA | Nonmetallic Mineral Product Manufacturing327420 | — | ◇ UNVERIFIED |
| CTCfi Tire | Des Moines | IA | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| CNCfs North America LLC | Urbandale | IA | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| CRChad Riesenberg | Earling | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| CEChassis Engineering INC. | West Branch | IA | Transportation Equipment Manufacturing336330 | — | ◇ UNVERIFIED |
| CLChemorse, LTD. | Des Moines | IA | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| CTChicago Tube & Iron | Ankeny | IA | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| CIChs INC. | Council Bluffs | IA | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| CPC&k Printing INC | Des Moines | IA | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| CMCMS Marketing LLC | Urbandale | IA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| CICnh Industrial LLC | Davenport | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
