| BTBluewater Thermal Solutions-rockford | Rockford | IL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| RSRockford Spring CO | Rockford | IL | Fabricated Metal Product Manufacturing332613 | 20-99 | ◐ LIKELY ACTIVE |
| FCForest City Technologies INC | Rockford | IL | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| JMJ & M Plating | Rockford | IL | Fabricated Metal Product Manufacturing332813 | 100-499 | ◐ LIKELY ACTIVE |
| JMJ & M Plating CO | Rockford | IL | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |
Evergreen Warehouse INC | Rockford | IL | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
| FOFreeway of Rockford | Rockford | IL | Fabricated Metal Product Manufacturing332722 | — | ◐ LIKELY ACTIVE |
| RFRockford Fastener, INC. | Rockford | IL | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
| RHRockford Heat Treaters INC | Rockford | IL | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| SSSafeway Services | Rockford | IL | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| SPSlidematic Precision Components | Rockford | IL | Fabricated Metal Product Manufacturing332722 | 100-499 | ◐ LIKELY ACTIVE |
| WIWoodward INC | Rockford | IL | Fabricated Metal Product Manufacturing332912 | — | ◐ LIKELY ACTIVE |
| CTCertified Technology INC | Rockford | IL | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| EMEstwing Manufacturing CO INC | Rockford | IL | Fabricated Metal Product Manufacturing332212 | — | ◐ LIKELY ACTIVE |
| NINd Industries INC | Rockford | IL | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| 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 |
| ECEdedc Corporation | Rockford | IL | Fabricated Metal Product Manufacturing332722 | — | ◐ 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 |
| KPKadon Precision | Rockford | IL | Fabricated Metal Product Manufacturing332710 | 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 |
| SISchmittel Industries, LLC | Rockford | IL | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |