Summit Machining LLC
2880 E Philadelphia St, Ontario, CA 91761
LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 3 SOURCES
Operating signal within 24 months, or from a single source.
What they make
Machine Shops332710Where it is
34.03370, -117.58736 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Jcm Engineering CORP | Ontario | Machine Shops 332710 | LIKELY ACTIVE | 0.7 KM |
| Mvi Engineering & Manufacturing INC | Ontario | Iron and Steel Mills and Ferroalloy Manufacturing 331110 | UNVERIFIED | 1.2 KM |
| Aerospace Mill Products LLC | Ontario | Machine Shops 332710 | UNVERIFIED | 1.4 KM |
| Bmk Precision, LLC | Ontario | Machine Shops 332710 | ACTIVE | 1.4 KM |
| All Time Machine INC | Ontario | Machine Shops 332710 | ACTIVE | 1.5 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 7 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.
EPA cross-references this facility in CA-ENVIROVIEW, EIS, OSHA-OIS, RCRAINFO, TRIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
| EPA TRI | OPERATING | DEC 2023 | DEC 2023 |
| EPA FRS | EXISTENCE | JUN 2016 | JUN 2016 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| RCRA GENERATOR STATUS | EPA ECHO | AUG 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.