| EEElenco Electronics INC | Wheeling | IL | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| ESEo Schweitzer Mfg CO INC | Mundelein | IL | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| GCGalaxy Circuits INC | Carol Stream | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| GEGeneral Electric CO | Morrison | IL | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| GSGhd Services INC | Crystal Lake | IL | Computer and Electronic Product Manufacturing334000 | — | ◇ UNVERIFIED |
| GIGrayhill INC | La Grange | IL | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| GCGte Communication System CORP | Genoa | IL | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
 G & W Electric CO | Blue Island | IL | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| HSHarrington Signal INC | Moline | IL | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| HBHobson Brothers INC | Chicago | IL | Computer and Electronic Product Manufacturing334417 | — | ◇ UNVERIFIED |
| HHoneywell | Danville | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| HHHoneywell Hobbs CORP | Spring Valley | IL | Computer and Electronic Product Manufacturing334514 | — | ◇ UNVERIFIED |
| HIHoneywell International INC | Galena | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| HGHytel Group | Elgin | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| ICImage Circuit INC | Elgin | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| KAKalmus & Assoc. INC | Broadview | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| KEKanzler Excavating | Arlington Heights | IL | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| KIKearney-national INC | Huntley | IL | Computer and Electronic Product Manufacturing334613 | — | ◇ UNVERIFIED |
| KAKec Acquisition Sub INC | Bensenville | IL | Computer and Electronic Product Manufacturing334210 | — | ◇ UNVERIFIED |
| KSKelley & Spalding Funeral Home | Highland Park | IL | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| LGLa Grou Distribution System | West Chicago | IL | Computer and Electronic Product Manufacturing334210 | — | ◇ UNVERIFIED |
| LOLand of Lincoln Goodwill | Jacksonville | IL | Computer and Electronic Product Manufacturing334612 | — | ◇ UNVERIFIED |
| LDLeonardo Drs - Bolingbrook | Bolingbrook | IL | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| LELion Electric Manufacturing USA INC | Channahon | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| LCLiquid Controls LLC | Lake Bluff | IL | Computer and Electronic Product Manufacturing334514 | — | ◇ UNVERIFIED |
| LILittelfuse INC | Des Plaines | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| LILittelfuse INC | Arcola | IL | Computer and Electronic Product Manufacturing334000 | — | ◇ UNVERIFIED |
| MIMagnetrol International (sub Schaub CORP | Downers Grove | IL | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |
| MMMeco Metal Finishing Illinois LLC | Elk Grove Village | IL | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| MCMicro Circuits INC | Addison | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| MCMicro Circuits INC | Addison | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| MCMilplex Circuits INC | Itasca | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| MEMilplex Electronics INC | Addison | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| MIMonogen INC | Waukegan | IL | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| MIMonogen INC | Arlington Heights | IL | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| MSMotorola Solutions INC | Schaumburg | IL | Computer and Electronic Product Manufacturing334210 | — | ◇ UNVERIFIED |
| MMMvc Most Valuable Construction | Blue Island | IL | Computer and Electronic Product Manufacturing334416 | — | ◇ UNVERIFIED |
| NSNokia Siemens Networks | Arlington Heights | IL | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems CORP | Rolling Meadows | IL | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems CORP | Rolling Meadows | IL | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| NNovatronix | Wood Dale | IL | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| NSNuway Speaker Products INC | Franklin Park | IL | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
| NSNuway Speaker Products INC | Antioch | IL | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
| OMOhmite Manufacturing CO | Skokie | IL | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| OCOmni Circuits INC | Glenview | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| PPctel-bloomingdale | Bloomingdale | IL | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| PCPhoenix CO of Chicago INC. | Wood Dale | IL | Computer and Electronic Product Manufacturing334417 | — | ◇ UNVERIFIED |
| PCPlastic Capacitors INC | Chicago | IL | Computer and Electronic Product Manufacturing334414 | — | ◇ UNVERIFIED |
| PCPoly Circuits INC | Bensenville | IL | Computer and Electronic Product Manufacturing334412 | — | ◇ UNVERIFIED |
| RCRauland-borg CORP | Skokie | IL | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
