Hartman Machine Service
5732 Calverton Street, Baltimore, MD 21228
LIKELY ACTIVELAST SEEN IN FEDERAL DATA — · 2 SOURCES
Operating signal within 24 months, or from a single source.
What they make
Machine Shops332710Where it is
39.28570, -76.73363 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Tag Engineering, INC. | Gwynn Oak | Machine Shops 332710 | ACTIVE | 3.7 KM |
| International Quality Advantage LLC | Windsor Mill | Machine Shops 332710 | LIKELY ACTIVE | 5.1 KM |
| Quantum Lean LLC | Baltimore | Machine Shops 332710 | LIKELY ACTIVE | 5.3 KM |
| L & S Machine Co., INC. | Halethorpe | Machine Shops 332710 | UNVERIFIED | 5.4 KM |
| Supplyx LLC | Ellicott City | Other Electronic Component Manufacturing 334419 | ACTIVE | 5.9 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 5 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 MD-EPSC, NPDES, OSHA-OIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA ECHO | OPERATING | JUN 2025 | JUN 2025 |
| EPA FRS | EXISTENCE | JAN 2016 | JAN 2016 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.