| AGAvg Group of Companies | Carol Stream | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| BBB & B Electronics Manufacturing Company | Ottawa | IL | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| BTBelmont Trading CO | Northbrook | IL | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| BPBenchmark Products | Lincolnshire | IL | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| BMBuller Media Corporation | Rolling Meadows | IL | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
| BCBurgess Computer Decisions INC | Buffalo Grove | IL | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| CMCanon Medical Research USA INC | Vernon Hills | IL | Computer and Electronic Product Manufacturing334510 | — | ◇ UNVERIFIED |
| CICharles Industries, LTD. | Marshall | IL | Computer and Electronic Product Manufacturing334210 | — | ◇ UNVERIFIED |
| CSChicago Semiconductor LLC | Barrington | IL | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| COCity of Chicago-streets and Sanitation, Auto Pound | Chicago | IL | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| CAContinental Automotive Systems INC | Deer Park | IL | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| CFCoriant Formerly Tellabs Operations | Naperville | IL | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
 Cts Advanced Materials, LLC | Bolingbrook | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| CCCunningham Circuit Etching | Addison | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| CICyclotron INC | Algonquin | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| DLDDP, Ltd | Machesney Park | IL | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| DADe Amertek Corporation INC | Oak Brook | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| DCDickey-john CORP | Auburn | IL | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| DSDiversified Sales, LLC | Elgin | IL | Computer and Electronic Product Manufacturing334118 | — | ◇ UNVERIFIED |
| EOElec-tron Opco, LLC | Chicago | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| ENE N M Company | Chicago | IL | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
 Ets-lindgren | Glendale Heights | IL | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| F3Factory 300, LLC | Addison | IL | Computer and Electronic Product Manufacturing334416 | — | ◇ UNVERIFIED |
| FAFluence Automation | Arlington Heights | IL | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| FEForest Electric CO | Melrose Park | IL | Computer and Electronic Product Manufacturing334416 | — | ◇ UNVERIFIED |
| FPFox Pt, Inc | Springfield | IL | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
| GCGpe Controls | Hillside | IL | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| GLGreen Land LLC | Batavia | IL | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| GCGrid Controls LLC | Buffalo Grove | IL | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| GCGte Communication Systems CORP | Genoa | IL | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| HCHarris CORP | Quincy | IL | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| HIHomaco INC | Chicago | IL | Computer and Electronic Product Manufacturing334210 | — | ◇ UNVERIFIED |
| HIHoneywell International Incorporated Plant 6 | Freeport | IL | Computer and Electronic Product Manufacturing334000 | — | ◇ UNVERIFIED |
| ISIllinois Superconductor CORP | Mount Prospect | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| ITIllinois Tool Works Chronomatic | Chicago | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| IUImco US | Frankfort | IL | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| ISIts Solar | Millstadt | IL | Computer and Electronic Product Manufacturing334417 | — | ◇ UNVERIFIED |
| KTKeysight Technologies, INC. | Arlington Heights | IL | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| KIK.L.I., Inc. | Streamwood | IL | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| LMLakeview Metals INC | Antioch | IL | Computer and Electronic Product Manufacturing334416 | — | ◇ UNVERIFIED |
| LSLamination Specialties Corporation | Chicago | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| LMLighthouse Microwave | Wenona | IL | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| MEMarvel Electric Corporation | Schiller Park | IL | Computer and Electronic Product Manufacturing334416 | — | ◇ UNVERIFIED |
| MGMaster Gauge CO. | Chicago | IL | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| MMMcdonnell & Miller Itt | Chicago | IL | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| MIMFXG, Inc. | Batavia | IL | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| MIMotorola INC | Libertyville | IL | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| MMMsl Midwest Operations | Mount Prospect | IL | Computer and Electronic Product Manufacturing334210 | — | ◇ UNVERIFIED |
| NINashy, Inc. | Rolling Meadows | IL | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| NPNat'l Precision Circuits & Electronics | Elmhurst | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
