| CCobham | Davenport | IA | Transportation Equipment Manufacturing336413 | — | ◇ UNVERIFIED |
| CFConagra Foods | Cedar Rapids | IA | Food Manufacturing311230 | — | ◇ UNVERIFIED |
| CMConcrete Mobility | Lakota | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CSConcrete Supply | Council Bluffs | IA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CIConductix Incorporated | Harlan | IA | Electrical Equipment, Appliance & Component Manufacturing335931 | — | ◇ UNVERIFIED |
| CPConstruction Products Dist LLC | Des Moines | IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CSConstruction Safety Experts INC. | De Witt | IA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| CCContinental Carbonic-denison | Denison | IA | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| CBContrary Brewing LLC | Muscatine | IA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| CPConway Pallets, LTD | Des Moines | IA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| CCopyworks | Ames | IA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| CLCozzini, LLC | Algona | IA | Machinery Manufacturing333294 | — | ◇ UNVERIFIED |
| CACraigs Auto Repair & Service | Birmingham | IA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| CWCreative Werks Inc | Des Moines | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CICriterion, INC. | Waterloo | IA | Machinery Manufacturing333512 | — | ◇ UNVERIFIED |
| CCCrown Cork and Seal | Dubuque | IA | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| CICryovac Inc, Sealed Air Corporation | Cedar Rapids | IA | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| CWCs Woodworks | Marion | IA | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| CTC & T Investments LLC | Wheatland | IA | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| CCCustom Cutlery, Inc. | Marengo | IA | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| CSCustom Steel Service | Ames | IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CCvg/mwc | Monona | IA | Transportation Equipment Manufacturing336320 | — | ◇ UNVERIFIED |
| CMCvg/ Mwc Edgewood | Edgewood | IA | Transportation Equipment Manufacturing336320 | — | ◇ UNVERIFIED |
| CLCV Land Company, LLC | Janesville | IA | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| DIDac, INC. | De Witt | IA | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| DADalton Ag Products | Lenox | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| DSDarpro Solutions | Alton | IA | Food Manufacturing311613 | — | ◇ UNVERIFIED |
| DDDave Dekok INC | Archer | IA | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| DDDays Door Company | Sergeant Bluff | IA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| DEDCT Enterprises, LLC | Ames | IA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| DFDean Foods - Le Mars Facility | Le Mars | IA | Food Manufacturing311511 | — | ◇ UNVERIFIED |
| DPDecker Precision Machining, INC. | Peosta | IA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DODecorah Ops Textron Fastening Sys | Decorah | IA | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| DADeere and Company | Paton | IA | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| DZDee Zee Extrusion | Des Moines | IA | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| DLDesh LLC | Ames | IA | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| DSD.E. Smith Inc | Des Moines | IA | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| DTDetroit Tool & Metal Products | Fort Madison | IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| DIDieomatic INC. | Williamsburg | IA | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| DIDillman Industries, INC. | Urbandale | IA | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| DIDimond Investments LLC | Des Moines | IA | Food Manufacturing311520 | — | ◇ UNVERIFIED |
| DIDodgen Industries, INC. | Humboldt | IA | Transportation Equipment Manufacturing336214 | — | ◇ UNVERIFIED |
| DCDonaldson Company, INC - Grinnell | Grinnell | IA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DSDose Steelworks, Inc | Story City | IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| DPDSM Pasta Co., LLC | Des Moines | IA | Food Manufacturing311824 | — | ◇ UNVERIFIED |
| DSDtg2go Ssi Dps | Storm Lake | IA | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| D5Dynamic 5Signs, LLC | Hartley | IA | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| EWEagle Window & Door, INC. (purina Dr.) | Dubuque | IA | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| EMEast Moline Sheet Metal | Muscatine | IA | Food Manufacturing311421 | — | ◇ UNVERIFIED |
| ECEaton Corporation - Belmond | Belmond | IA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
