Operating signal within 12 months from two or more independent sources.
What they make
Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing334416Olsun manufactures dry type transformers in multiple configurations including general purpose, substation, pad mounted, cast coil, drive isolation, grounding, harmonic mitigation, K-rated, marine duty, multi-pulse, noise attenuating, step up, test, and triplex models, as well as switches. The company serves industries including electric vehicle charging stations, oil and gas refining, ocean drilling, rail, medical, and hospitality, and offers retrofit services for industrial transformers. The text names UL Listed as a certification for its dry type transformers.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Products
Where these came from
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- UL Listed
- WBE
Read from this company’s own website on August 9, 2026. Nobody at the facility has confirmed it here, and FactoryRegistry has not verified these — unlike operating status, which comes from independent public records. A certificate can lapse without the website changing, so ask the facility for current ones.
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Actown Electrocoil INC | Spring Grove | Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing 334416 | UNVERIFIED | 6.9 KM |
| Prem Magnetics, Inc. | Johnsburg | Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing 334416 | LIKELY ACTIVE | 12.8 KM |
| Nel Frequency Controls INC | Burlington | Other Electronic Component Manufacturing 334419 | ACTIVE | 20.8 KM |
| Lakeview Metals INC | Antioch | Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing 334416 | UNVERIFIED | 17.9 KM |
| Optical Fiber Packaging CORP. | Crystal Lake | Fiber Optic Cable Manufacturing 335921 | ACTIVE | 23.6 KM |
Also at this address
No other federal record shares this street address.
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 ACES, AIR, AIRS/AFS, EIS, RCRAINFO · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | APR 2026 | APR 2026 |
| EPA FRS | EXISTENCE | JUN 2017 | JUN 2017 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | APR 2026 |
| CAGE CODE | SAM GOV | APR 2026 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | APR 2026 |
| GEOM | CENSUS GEOCODER | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | APR 2026 |
| REGISTRATION EXPIRATION | SAM GOV | APR 2026 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | APR 2026 |
| WEBSITE | SAM GOV | APR 2026 |
| YEAR ESTABLISHED | SITE YEAR | AUG 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.