| DIDasco INC | Rockford | IL | Fabricated Metal Product Manufacturing332216 | — | ◇ UNVERIFIED |
| DMDb Metal Finishing LLC | Rockford | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| ECEclipse Combustion INC | Rockford | IL | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| ESEnameled Steel & Sign CO | Rockford | IL | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| FMFpm-db Metal Finishing | Rockford | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| GCGates CORP | Rockford | IL | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| GGreenlee | Rockford | IL | Fabricated Metal Product Manufacturing332212 | — | ◇ UNVERIFIED |
| HGHt Gaston CORP | Rockford | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| IFInnovative Fixture Solutions LLC | Rockford | IL | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| LBLiebovich Brothers INC | Rockford | IL | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| RARockford American Plating | Rockford | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| SMSiffron Mfg & Service | Rockford | IL | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| TCTfs Commercial Solutions Group Raycarl Prods | Rockford | IL | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| AGAbsolute Grinding & Mfg INC | Rockford | IL | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| AGAZZ Galvanizing - Rockford LLC | Rockford | IL | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| EEstwing | Rockford | IL | Fabricated Metal Product Manufacturing332216 | 100-499 | ◐ LIKELY ACTIVE |
| FRFCT Rockford | Rockford | IL | Fabricated Metal Product Manufacturing332812 | 1-19 | ◐ LIKELY ACTIVE |
| JCJ.L. Clark | Rockford | PA | Fabricated Metal Product Manufacturing332431 | 100-499 | ◐ LIKELY ACTIVE |
| JJ.L.Clark | Rockford | IL | Plastics and Rubber Products Manufacturing326112 | 100-499 | ◐ LIKELY ACTIVE |
| LFLJ Fabricators | Rockford | IL | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Midwest LLC Rockford, Illinois | Rockford | IL | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| RRockford | Rockford | IL | Fabricated Metal Product Manufacturing332111 | 1-19 | ◐ LIKELY ACTIVE |
| RMRockford Machined Products LLC | Rockford | IL | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| SHSLE Holdings Rockford DBA: Sub Source | Rockford | IL | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| SISmith Industrial Rubber | Rockford | IL | Fabricated Metal Product Manufacturing332912 | 1-19 | ◐ LIKELY ACTIVE |
| VAValue Added Distributors - Rockford | Rockford | IL | Fabricated Metal Product Manufacturing332912 | 20-99 | ◐ LIKELY ACTIVE |
| ECEdedc Corporation | Rockford | IL | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |
| SISchmittel Industries, LLC | Rockford | IL | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| EMExact Machine Company, Inc. | Rockford | IL | Fabricated Metal Product Manufacturing332439 | 1-19 | ◇ UNVERIFIED |
| KPKadon Precision Machining, LLC | Rockford | IL | Fabricated Metal Product Manufacturing332710 | 20-99 | ◇ UNVERIFIED |
| RTRestoration Tools, LLC | Rockford | IL | Fabricated Metal Product Manufacturing332216 | 1-19 | ◇ UNVERIFIED |
| SPSafeway Products | Rockford | IL | Fabricated Metal Product Manufacturing332431 | 1-19 | ◇ UNVERIFIED |
| SSSmith Steel Cutters, Inc. | Rockford | IL | Fabricated Metal Product Manufacturing332999 | 1-19 | ◇ UNVERIFIED |
| 4M425 Manufacturing, Inc. | Rockford | IL | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| 4M425 MFG Enterprises, LLC | Rockford | IL | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| BFBarron Finishing Technologies INC | Rockford | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| BMBarron Metal Finishing LLC | Rockford | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| BMBarron Metal Finishing, LLC | Rockford | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| BHBeechner Heat Treating CO INC | Rockford | IL | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| BTByrne Tool and Design INC. | Rockford | MI | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CACamcar Aerospace | Rockford | IL | Fabricated Metal Product Manufacturing332722 | — | ◇ UNVERIFIED |
| DBDenise & Brian, LLC | Rockford | IL | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| EIEclipse INC | Rockford | IL | Fabricated Metal Product Manufacturing332911 | — | ◇ UNVERIFIED |
| EREver Ready Grinding & Pin Manufacturing LLC | Rockford | IL | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| GTGalactic Tool of Rockford Corporation | Rockford | IL | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| GPGoat Precision Machining LLC | Rockford | IL | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| HSHamilton Sundstrand CORP | Rockford | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| JPJ&M Plating, Inc. | Rockford | IL | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| LELeading Edge Group, INC. | Rockford | IL | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| MPMasters Plating | Rockford | IL | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |