Circle Circuits
2528 49th Street, Boulder, CO 80301
UNVERIFIEDLAST SEEN IN FEDERAL DATA OCT 2000 · 2 SOURCES
Present in a source dataset, with no recent operating signal.
What they make
Bare Printed Circuit Board Manufacturing334412Where it is
40.02404, -105.23838 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Microsemi Frequency and Time CORP | Boulder | Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220 | LIKELY ACTIVE | 0.6 KM |
| Microsemi FTS Inc (A Microchip Co) | Boulder | Semiconductor and Related Device Manufacturing 334413 | LIKELY ACTIVE | 0.6 KM |
| Misty Robotics | Boulder | Other Electronic Component Manufacturing 334419 | UNVERIFIED | 0.8 KM |
| Dotronix INC | Boulder | Semiconductor and Related Device Manufacturing 334413 | UNVERIFIED | 1.0 KM |
| Circuit Images, INC | Boulder | Bare Printed Circuit Board Manufacturing 334412 | UNVERIFIED | 1.2 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 6 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 AIR, AIRS/AFS, RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA FRS | EXISTENCE | OCT 2016 | OCT 2016 |
| EPA ECHO | OPERATING | OCT 2000 | OCT 2000 |
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 |
| 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.
