Updated on 2-JUN-2023
Results are sorted by CITY.
| Company/Agency Name | City | State |
|---|---|---|
| ABBOTT, CES | ABBOTT PARK | IL |
| CEF INDUSTRIES, LLC | ADDISON | IL |
| STS OPERATING INC, SUNSOURCE | ADDISON | IL |
| DOE/OFFICE OF SCIENCE, OFFICE OF SAFETY AND SECURITY | ARGONNE | IL |
| DCMA CENTRAL REGION COMMAND, QUALITY | ARLINGTON HEIGHTS | IL |
| DCMA CHICAGO | ARLINGTON HEIGHTS | IL |
| DIGITAL DESIGN CORP. | ARLINGTON HEIGHTS | IL |
| KEYSIGHT TECHNOLOGIES | ARLINGTON HEIGHTS | IL |
| NETRIX LLC | BANNOCKBURN | IL |
| ALL POINT | BELLEVILLE | IL |
| TRU CAL INTERNATIONAL | BENSENVILLE | IL |
| NORMAN FILTER COMPANY, L.L.C. | BRIDGEVIEW | IL |
| DEFENSE CRIMINAL INVESTIGATIVE SERVICE, CHICAGO RESIDENT AGENCY | BUFFALO GROVE | IL |
| MNJ TECHNOLOGIES | BUFFALO GROVE | IL |
| AMERICAN PRECISION ELECTRONICS, INC. | CAROL STREAM | IL |
| APOLLO AEROSPACE COMPONENTS LLC | CAROL STREAM | IL |
| OTTO ENGINEERING | CARPENTERSVILLE | IL |
| STANLEY MACHINING & TOOL CORP. | CARPENTERSVILLE | IL |
| SCHOTT NORTH AMERICA, INC. | CARY | IL |
| ARTISAN SCIENTIFIC CORPORATION | CHAMPAIGN | IL |
| CU AEROSPACE LLC | CHAMPAIGN | IL |
| WAGNER MACHINE COMPANY | CHAMPAIGN | IL |
| EVAC NORTH AMERICA INC. | CHERRY VALLEY | IL |
| AZTEC PLASTIC COMPANY | CHICAGO | IL |
| THERMOELECTRIC COOLING AMERICA CORPORATION | CHICAGO | IL |
| AMERICAN CALIBRATION INC. | CRYSTAL LAKE | IL |
| DOT/FEDERAL AVIATION ADMINISTRATION, AIRWORTHINESS | DES PLAINES | IL |
| ITW SWITCHES | DES PLAINES | IL |
| V.J. TECHNOLOGIES, INC. | DES PLAINES | IL |
| ARROW GEAR COMPANY | DOWNERS GROVE | IL |
| CHEMRING ENERGETIC DEVICES, INC. | DOWNERS GROVE | IL |
| ELITE ELECTRONIC ENGINEERING, INC. | DOWNERS GROVE | IL |
| GLOBAL TEST EQUIPMENT INC | DOWNERS GROVE | IL |
| MOLDTRONICS INC | DOWNERS GROVE | IL |
| TRICOR SYSTEMS INC. | ELGIN | IL |
| VALUETRONICS, INTL | ELGIN | IL |
| ABILITY METAL COMPANY | ELK GROVE VILLAGE | IL |
| ARC-TRONICS, INC. | ELK GROVE VILLAGE | IL |
| CONTOUR MACHINING, INC., IL | ELK GROVE VILLAGE | IL |
| DEXTER MAGNETIC TECHNOLOGIES INC. | ELK GROVE VILLAGE | IL |
| ERA INDUSTRIES, INC., APEHLION PRECISION TECHNOLOGIES, INC. | ELK GROVE VILLAGE | IL |
| PRODUCT PLANNING, INC. | ELK GROVE VILLAGE | IL |
| SONIC MANUFACTURING CORPORATION | ELK GROVE VILLAGE | IL |
| MCMASTER-CARR SUPPLY COMPANY | ELMHURST | IL |
| CHUCKING MACHINE PRODUCTS | FRANKLIN PARK | IL |
| HONEYWELL INTERNATIONAL, SENSING AND IOT | FREEPORT | IL |
| SYCAMORE PRECISION MACHINE, INC. | GENOA | IL |
| ANIXTER INC., DBA ANIXTER FEDERAL GROUP | GLENVIEW | IL |
| QUANTUM METROLOGY | GRAYSLAKE | IL |
| CAMCRAFT, INC | HANOVER PARK | IL |
| TECH-MAX MACHINE, INC. | ITASCA | IL |
| GRAYHILL INC. | LA GRANGE | IL |
| HOSPIRA, PFIZER COMPANY | LAKE FOREST | IL |
| PARAGON MICRO, INC. | LAKE ZURICH | IL |
| ARGONNE NATIONAL LABORATORY | LEMONT | IL |
| CDW | LINCOLNSHIRE | IL |
| NAVISTAR DEFENSE LLC | LISLE | IL |
| TOYAL AMERICA, INC | LOCKPORT | IL |
| VITREK LLC | LOCKPORT | IL |
| CINCH CONNECTORS INC | LOMBARD | IL |
| GE AVIATION, GENERAL ELECTRIC MECHANICAL SYSTEMS | LOVES PARK | IL |
| JEFCO SCREW MACHINE PRODUCTS, INC. | LOVES PARK | IL |
| ATLAS TOOL WORKS, INC. | LYONS | IL |
| THE CALIBRATION SOLUTION | MACHESNEY | IL |
| ATRONA TEST LABS, INC. | MACHESNEY PARK | IL |
| GENERAL DYNAMICS | MARION | IL |
| GENERAL DYNAMICS-OTS MARION OPERATIONS, ORDNANCE & TACTICAL SYSTEMS | MARION | IL |
| M-1 TOOL WORKS INC | MCHENRY | IL |
| AURORA BEARING COMPANY | MONTGOMERY | IL |
| NUTHERM INTERNATIONAL, INC. | MT VERNON | IL |
| CAL-RITE CORPORATION | NAPERVILLE | IL |
| SIMCO ELECTRONICS | NAPERVILLE | IL |
| WOODWARD MPC | NILES | IL |
| CHICAGO TECH, INC., CHICAGO TECH, INC. | NORTHBROOK | IL |
| DCX-CHOL ENTERPRISES, INC, ELECSYS DIVISION | PEKIN | IL |
| ADVANCED TECHNOLOGY SERVICES | PEORIA | IL |
| KRANZE TECHNOLOGY SOLUTIONS INC | PROSPECT HEIGHTS | IL |
| ARMY CCDC CHEMICAL BIOLOGICAL CENTER, AMSSB-RSO | ROCK ISLAND | IL |
| ARMY ROCK ISLAND ARSENAL, SMARI-ICQ | ROCK ISLAND | IL |
| CMM CALIBRATION AND SERVICES CO | ROCKFORD | IL |
| COLLINS AEROSPACE | ROCKFORD | IL |
| INGENIUM AEROSPACE LLC | ROCKFORD | IL |
| INGERSOLL MACHINE TOOL, MACHINE TOOL | ROCKFORD | IL |
| KANEY AEROSPACE | ROCKFORD | IL |
| SUPPLYCORE | ROCKFORD | IL |
| TECHNICAL MAINTENANCE, INC. | ROCKFORD | IL |
| EPIQ SOLUTIONS | ROLLING MEADOWS | IL |
| JH METROLOGY COMPANY, INC. | ROLLING MEADOWS | IL |
| METHODE ELECTRONICS INC, POWER SOLUTIONS GROUP | ROLLING MEADOWS | IL |
| NORTHROP GRUMMAN ES DSD-RMS, STANDARDS AND COMPONENTS ENGINEERING | ROLLING MEADOWS | IL |
| MAKERITE MANUFACTURING COMPANY INC. | ROSCOE | IL |
| BAXTER HEALTHCARE | ROUND LAKE | IL |
| AXON CABLE, INC. | SCHAUMBURG | IL |
| ESSEX ELECTRO ENGINEERS, INC. | SCHAUMBURG | IL |
| MOTOROLA SOLUTIONS INC., SUPPLY CHAIN QUALITY | SCHAUMBURG | IL |
| MOTOROLA SOLUTIONS, INC., APPLIED TECHNOLGOY | SCHAUMBURG | IL |
| STMICROELECTRONICS | SCHAUMBURG | IL |
| YULISTA SUPPORT SERVICES | SCOTT AFB | IL |
| CLINKENBEARD AND ASSOCIATES INC | SOUTH BELOIT | IL |
| BESTPROTO INC | SOUTH ELGIN | IL |
| SCOT FORGE COMPANY | SPRING GROVE | IL |
| AMERICAN CONCORDE SYSTEMS INC | STREAMWOOD | IL |
| VANSEAL CORP. | VANDALIA | IL |
| ANTYLIA SCIENTIFIC | VERNON HILLS | IL |
| INTERNATIONAL PAINT LLC, AKZONOBEL AEROSPACE COATINGS | WAUKEGAN | IL |
| AMERICAN STANDARD CIRCUITS, INC | WEST CHICAGO | IL |
| DYNOMAX INC | WHEELING | IL |
| TEMPCO ELECTRIC HEATER CORPORATION | WOOD DALE | IL |
| AAR DEFENSE SYSTEMS & LOGISTICS, DBA AAR PARTS TRADING , INC | WOODDALE | IL |
| TELEDYNE STORM MICROWAVE | WOODRIDGE | IL |
| GUARDIAN ELECTRIC MFG CO, KELCO IND | WOODSTOCK | IL |
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