Operating signal within 12 months from two or more independent sources.
What they make
Power, Distribution, and Specialty Transformer Manufacturing335311Maddox Transformer manufactures padmount, substation, polemount, and dry-type transformers, as well as switchgear including metal-enclosed and pad-mounted switchgear. The company also offers cast coil transformers, mini power centers, and transformer parts. Services include rentals, repair, and the purchase of surplus equipment.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Victor Hill | Greer | Power, Distribution, and Specialty Transformer Manufacturing 335311 | LIKELY ACTIVE | 0.0 KM |
| Firehouse | Greer | Power, Distribution, and Specialty Transformer Manufacturing 335311 | LIKELY ACTIVE | 6.7 KM |
| Continental Engines | Greenville | Motor and Generator Manufacturing 335312 | UNVERIFIED | 7.9 KM |
| Meyer Tool Greenville Div | Greenville | Relay and Industrial Control Manufacturing 335314 | UNVERIFIED | 8.4 KM |
| Siemens Industry INC -scc Enterprise Campus Authority '94 Warehouse | Duncan | Switchgear and Switchboard Apparatus Manufacturing 335313 | UNVERIFIED | 8.8 KM |
Also at this address
1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 9 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, EPS, NPDES, RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | NOV 2025 | NOV 2025 |
| EPA FRS | EXISTENCE | JAN 2022 | JAN 2022 |
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 |
| YEAR ESTABLISHED | SITE YEAR | AUG 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


