Operating signal within 12 months from two or more independent sources.
What they make
Machine Shops332710Proto Tool Co. manufactures components using CNC machining,Provid services including machining, turning, and reliability/ standards, and offers secondary services like finishing and assembly. The company utilizes large boring mills and provides large bore machining.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- ISO 9001
Read from this company’s own website on August 9, 2026. Nobody at the facility has confirmed it here, and FactoryRegistry has not verified these — unlike operating status, which comes from independent public records. A certificate can lapse without the website changing, so ask the facility for current ones.
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Bernada LLC | Farmington Hills | Machine Shops 332710 | REPORTED CLOSED | 0.8 KM |
| Forge Precision CO | Farmington Hills | Special Die and Tool, Die Set, Jig, and Fixture Manufacturing 333514 | ACTIVE | 2.5 KM |
| E & D Machine CO INC | Farmington Hills | Machine Shops 332710 | UNVERIFIED | 2.5 KM |
| Maya Jig Grinding & Gage CO INC | Farmington Hills | Special Die and Tool, Die Set, Jig, and Fixture Manufacturing 333514 | UNVERIFIED | 2.5 KM |
| E & D Machine Co, INC | Farmington | Machine Shops 332710 | ACTIVE | 2.9 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 8 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | JAN 2026 | JAN 2026 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | SAM GOV | JAN 2026 |
| CAGE CODE | SAM GOV | JAN 2026 |
| CITY | SAM GOV | JAN 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| NAME | SAM GOV | JAN 2026 |
| REGISTRATION EXPIRATION | SAM GOV | JAN 2026 |
| STATE | SAM GOV | JAN 2026 |
| WEBSITE | SAM GOV | JAN 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.