Phds CO.
3011 Amherst Rd, Knoxville, TN 37921
LIKELY ACTIVELAST SEEN IN FEDERAL DATA NOV 2025 · 2 SOURCES
Operating signal within 24 months, or from a single source.
What they make
Other Measuring and Controlling Device Manufacturing334519Where it is
35.97239, -84.05486 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Windrock INC | Knoxville | Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515 | UNVERIFIED | 4.0 KM |
| Alcopro INC. | Knoxville | Analytical Laboratory Instrument Manufacturing 334516 | ACTIVE | 5.7 KM |
| Molecular Machines & Industries, INC | Knoxville | Analytical Laboratory Instrument Manufacturing 334516 | ACTIVE | 5.8 KM |
| Melas Defense Systems, INC. | Knoxville | Small Arms, Ordnance, and Ordnance Accessories Manufacturing 332994 | LIKELY ACTIVE | 6.3 KM |
| Uster Technologies, INC | Knoxville | Analytical Laboratory Instrument Manufacturing 334516 | ACTIVE | 6.9 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.
EPA cross-references this facility in RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| SAM GOV | OPERATING | NOV 2025 | NOV 2025 |
| EPA FRS | EXISTENCE | FEB 2021 | FEB 2021 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | NOV 2025 |
| CAGE CODE | SAM GOV | NOV 2025 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | NOV 2025 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | NOV 2025 |
| REGISTRATION EXPIRATION | SAM GOV | NOV 2025 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | NOV 2025 |
| WEBSITE | SAM GOV | NOV 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
