Clark Brothers Instrument CO
56680 Mound Rd, Shelby Township, MI 48316
Operating signal within 12 months from two or more independent sources.
What they make
Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables334513Products
Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
Where these came from
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Protodesign, INC | Shelby Township | Other Electronic Component Manufacturing 334419 | ACTIVE | 6.3 KM |
| Microseven Systems LLC | Shelby Township | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220 | ACTIVE | 6.0 KM |
| Sensordata Technologies INC | Shelby Township | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | ACTIVE | 8.2 KM |
| Diagnostic Instruments, INC. | Sterling Heights | Electromedical and Electrotherapeutic Apparatus Manufacturing 334510 | ACTIVE | 11.1 KM |
| J. W. Froehlich, INC. | Sterling Heights | Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513 | ACTIVE | 11.5 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
5 sources hold this plant, and 12 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.
EPA cross-references this facility in RCRAINFO · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord GTMMZHPJMX97 · first seen NOV 2025 · last seen NOV 2025
- SBA Paycheck Protection Program loan recordsEXISTENCERecord MI|shelby township|56680 mound rd · first seen APR 2020 · last seen APR 2020
- EPA Facility Registry ServiceEXISTENCERecord 110044821459 · first seen MAR 2014 · last seen MAR 2014
- SBA 7(a) and 504 loan recordsEXISTENCEfirst seen JUL 2011 · last seen JUL 2011
IN MACOMB COUNTY20 other plants share this one’s industry (Navigational, Measuring, Electromedical, and Control Instruments Manufacturing, NAICS 3345); 9 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
- EPA: CLARK BROTHERS INSTRUMENT CO · JUL 2026 · ON THIS PAGE
- SAM.gov: CLARK BROTHERS INSTRUMENT CO · NOV 2025 · ON THIS PAGE
- Street address
- EPA: 56680 MOUND RD · JUL 2026 · ON THIS PAGE
- SAM.gov: 56680 MOUND RD · NOV 2025 · ON THIS PAGE
- City
- EPA: SHELBY TOWNSHIP · JUL 2026 · ON THIS PAGE
- SAM.gov: SHELBY TOWNSHIP · NOV 2025 · ON THIS PAGE
- State
- EPA: MI · JUL 2026 · ON THIS PAGE
- SAM.gov: MI · NOV 2025 · ON THIS PAGE
- County (FIPS code)
- EPA: 26099 · SEP 2026
- Coordinates
- EPA: 42.71062,-83.05493 · JUL 2026
- Employees (band)
- SBA PPP: 1-19 · APR 2020
- Website
- SAM.gov: http://www.clarkbrothers.net · NOV 2025
- CAGE code
- SAM.gov: 65496 · NOV 2025
- PPP loan
- SBA PPP: PPP loan x1, approved 2020-04-11, 5 jobs reported · APR 2020
- SAM registration expires
- SAM.gov: 2026-11-18 · NOV 2025
- SBA loans
- SBA: 7a loan x1, jobs 15.0 · JUL 2011