Operating signal within 12 months from two or more independent sources.
What they make
Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals334515- automatic electrical test equipment
- EXLRT
- BLTU4
- aerospace
- automotive
- defence
NAMED ON THE COMPANY’S OWN WEBSITE, READ SEP 9, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Durex International CORP. | Cary | Heating Equipment (except Warm Air Furnaces) Manufacturing 333414 | ACTIVE | 4.3 KM |
| Incisionvue, INC. | South Barrington | Electromedical and Electrotherapeutic Apparatus Manufacturing 334510 | ACTIVE | 8.5 KM |
| Dod Technologies INC | Cary | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | ACTIVE | 6.9 KM |
| Mitchell Aircraft, LLC | Cary | Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413 | ACTIVE | 8.4 KM |
| Snap-on Tools CO | Crystal Lake | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515 | LIKELY ACTIVE | 9.9 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
3 sources hold this plant, and 11 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
- The company’s own websiteOPERATINGfirst seen SEP 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord DMSXKFUC8ZK1 · first seen JUL 2026 · last seen JUL 2026
- DOL Form 5500 retirement plan filingsOPERATINGRecord 812832423|IL|60010|22102 n pepper rd · first seen DEC 2024 · last seen DEC 2024
IN LAKE COUNTY30 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 7 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- SAM.gov: MK TEST SYSTEMS AMERICAS INC · JUL 2026
- Street address
- SAM.gov: 22102 N PEPPER RD · JUL 2026
- City
- SAM.gov: LAKE BARRINGTON · JUL 2026
- State
- SAM.gov: IL · JUL 2026
- Coordinates
- Census geocoder: 42.184631643005,-88.18491629958 · SEP 2026
- Employees (band)
- DOL: 1-19 · DEC 2024
- Website
- SAM.gov: www.mktest.com · JUL 2026
- CAGE code
- SAM.gov: 8EGR1 · JUL 2026
- Retirement plan filing (Form 5500)
- DOL: 4 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- SAM registration expires
- SAM.gov: 2027-07-06 · JUL 2026
- State business registration
- TX Comptroller: MK TEST SYSTEMS AMERICAS, INC., registered with the Texas Comptroller of Public Accounts; Corporation; active