| SSSpecialty Screw CORP | Rockford | IL | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
| SPSterling Plating INC | Harwood Heights | IL | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
| SDStreator Dependable Manufacturing | Streator | IL | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| TMTwinplex Manufacturing CO | Wood Dale | IL | Fabricated Metal Product Manufacturing332116 | 1-19 | ◐ LIKELY ACTIVE |
| VTVersatility Tool Works and Manufacturing Company, INC. | Alsip | IL | Fabricated Metal Product Manufacturing332439 | 1-19 | ◐ LIKELY ACTIVE |
| WFWatersaver Faucet CO | Chicago | IL | Fabricated Metal Product Manufacturing332813 | 100-499 | ◐ LIKELY ACTIVE |
| WTWest Town Plating INC | Cicero | IL | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
| YIYoungberg Industries INC. | Belvidere | IL | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| ZIZegers INC | Lansing | IL | Fabricated Metal Product Manufacturing332613 | 1-19 | ◐ LIKELY ACTIVE |
| AFAbrasive Form LLC | Bloomingdale | IL | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| AMAdams Magnetic Products LLC | Elmhurst | IL | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| AIAgri-fab INC | Sullivan | IL | Fabricated Metal Product Manufacturing332119 | 100-499 | ◐ LIKELY ACTIVE |
| ASAlco Spring Industries INC | Chicago Heights | IL | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
| AHAnchor Harvey dba Northfield Industries | Schaumburg | IL | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| APArnette Pattern Co Inc | Granite City | IL | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| BBBetter Bilt Products | Addison | IL | Fabricated Metal Product Manufacturing332618 | 20-99 | ◐ LIKELY ACTIVE |
Bms Manufacturing Company, INC. | Milan | IL | Fabricated Metal Product Manufacturing332439 | 20-99 | ◐ LIKELY ACTIVE |
| BUBraner USA, LLC | Schiller Park | IL | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| BCBunn-o-matic CORP | Springfield | IL | Fabricated Metal Product Manufacturing332999 | 500+ | ◐ LIKELY ACTIVE |
| BCBway CORP | Chicago | IL | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| CBChicago Boiler Co - Gurnee | Gurnee | IL | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
| CECircuit Engineering LLC | Elk Grove Village | IL | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| CRClad Rex LLC | Franklin Park | IL | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| CRCmc Rebar - Belvidere | Belvidere | IL | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| CSCmc Steel Fabricators INC Dba Cmc Paving Solutions | Kankakee | IL | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| CUCoster USA Inc. | South Elgin | IL | Fabricated Metal Product Manufacturing332919 | 20-99 | ◐ LIKELY ACTIVE |
| CICraig Industries INC | Quincy | IL | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| CMCurtis Metal Finishing CO | Machesney Park | IL | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| DCDixline CORP | Galva | IL | Fabricated Metal Product Manufacturing332510 | 20-99 | ◐ LIKELY ACTIVE |
| DBDudek & Bock Spring Mfg. Co. | Chicago | IL | Fabricated Metal Product Manufacturing332613 | 100-499 | ◐ LIKELY ACTIVE |
| EMEffingham Machining & Assembly Components | Effingham | IL | Fabricated Metal Product Manufacturing332721 | 100-499 | ◐ LIKELY ACTIVE |
| EKEx-cell Kaiser LLC | Franklin Park | IL | Fabricated Metal Product Manufacturing332439 | 20-99 | ◐ LIKELY ACTIVE |
| FCForest City Technologies INC | Rockford | IL | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| FMFrantz Mfg CO - Bearing Div | Sterling | IL | Fabricated Metal Product Manufacturing332991 | — | ◐ LIKELY ACTIVE |
| FTFusion Tech Integrated Inc. | Roseville | IL | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
| GDGeneral Dynamics Ordnance & Tactical Systems INC Bfp Area | Marion | IL | Fabricated Metal Product Manufacturing332992 | — | ◐ LIKELY ACTIVE |
| GMGeneral Machinery & Manufacturing CO | Chicago | IL | Fabricated Metal Product Manufacturing332119 | 1-19 | ▲ REPORTED CLOSED |
| GMG & M Mfg CORP | Crystal Lake | IL | Fabricated Metal Product Manufacturing332119 | — | ◐ LIKELY ACTIVE |
| GCGooder-henrichsen CO INC | Chicago Heights | IL | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| GDGreenlee Diamond Tool CO | Elk Grove Village | IL | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| GPGreif Packaging LLC | Alsip | IL | Fabricated Metal Product Manufacturing332439 | — | ◐ LIKELY ACTIVE |
| GSGremp Steel Company | Posen | IL | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| HIHoneywell International INC - Plant 4 | Freeport | IL | Fabricated Metal Product Manufacturing332811 | — | ◐ LIKELY ACTIVE |
Hyspan Precision Products INC | South Holland | IL | Fabricated Metal Product Manufacturing332919 | — | ◐ LIKELY ACTIVE |
| IMIcon Metalcraft, INC. | Wood Dale | IL | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
Ifl Manufacturing INC. | Wauconda | IL | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| IMInterlake Mecalux INC | Pontiac | IL | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| JMJ & M Plating | Rockford | IL | Fabricated Metal Product Manufacturing332813 | 100-499 | ◐ LIKELY ACTIVE |
| JBJohnson Bros. Metal Forming Co. | Berkeley | IL | Fabricated Metal Product Manufacturing332114 | 20-99 | ◐ LIKELY ACTIVE |
| KPKadon Precision | Rockford | IL | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |