| BRBliek's Repair | Hull | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| BLBlue Lakes Ammo | Spencer | IA | Fabricated Metal Product Manufacturing332993 | — | ◇ UNVERIFIED |
| BOBoylers Ornamental Iron INC. | Bettendorf | IA | Fabricated Metal Product Manufacturing332995 | — | ◇ UNVERIFIED |
| BPBP Pollema, LLC | Doon | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| BFBrand Fab LLC | Ely | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CMCanaan Machine and Tool | Mount Union | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CBCeco Building Systems | Mount Pleasant | IA | Fabricated Metal Product Manufacturing332311 | — | ◇ 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 Powder Coating, INC. | Hubbard | IA | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CWCharlie's Welding, INC. | Tiffin | IA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CTChicago Tube & Iron | Ankeny | IA | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| CMConstruction Materials, INC. | Cedar Rapids | IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CPConstruction Products Dist LLC | Des Moines | IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CACraigs Auto Repair & Service | Birmingham | IA | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| CWCreative Werks Inc | Des Moines | IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CWCreative Werks Inc | Des Moines | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CCCrown Cork and Seal | Dubuque | IA | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| CMCummins Manufacturing INC. | Tipton | IA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CCCustom Cutlery, Inc. | Marengo | IA | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| CSCustom Steel Service | Ames | IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| DPDecker Precision Machining, INC. | Peosta | IA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DODecorah Ops Textron Fastening Sys | Decorah | IA | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| DMDelta Metals, LLC | Leon | IA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| DTDetroit Tool & Metal Products | Fort Madison | IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| DCDonaldson Company, INC - Grinnell | Grinnell | IA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| DSDose Steelworks, Inc | Story City | IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| ECEaton Corporation - Belmond | Belmond | IA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| EIEcho Investing, Inc | Maquoketa | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| EIEcho Investing, Inc | Altoona | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| ESE.g. Staats & Company, INC. | Mount Pleasant | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| EFElm Family Enterprises, Inc | Marion | IA | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| EEmerson | Marshalltown | IA | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| EWEngineered Welding INC. | Anamosa | IA | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| EDErickson Displays | Des Moines | IA | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| FPFabricators Plus & Pcg Powder Coating | Muscatine | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| FEFerris Enterprise Co. | Walcott | IA | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| FPFunify Planet LLC | Oakland | IA | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| GHGarcia Home Services LLC | West Des Moines | IA | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| HMHawkeye Mold & Design Co. | Charles City | IA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| HCHerschel CORP | Indianola | IA | Fabricated Metal Product Manufacturing332000 | — | ◇ UNVERIFIED |
| HHH & H Metal Fabrication | Lawton | IA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| IIIlten's INC. | Cedar Rapids | IA | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| IDIndustrial Design Fabrication & Installation, INC. | Sioux City | IA | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| IHIndustrial Hardfacing, Inc | Lamoni | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| ISIowa Spring Manufacturing and Sales, Inc | Adel | IA | Fabricated Metal Product Manufacturing332613 | — | ◇ UNVERIFIED |
| ISIowa Spring Manufacturing & Sales Company | Adel | IA | Fabricated Metal Product Manufacturing332612 | — | ◇ UNVERIFIED |
| ISIowa Steel Fabrication, LLC. | Osceola | IA | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| I5Ironwood 53 LLC | Rock Valley | IA | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| JLJacrec LLC | Anamosa | IA | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
