Operating signal within 12 months from two or more independent sources.
What they make
Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing334416- cast coil
- drive isolation
- harmonic mitigation
- marine duty
- noise attenuating
- step up
- rail
- medical
- Dry type transformers
- UL Listed
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
Where these came from
Recorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
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
5 sources hold this plant, and 14 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
EPA cross-references this facility in ACES, AIR, AIRS/AFS, EIS, RCRAINFO · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord HM9LF1MNF731 · first seen APR 2026 · last seen APR 2026
- DOL Form 5500 retirement plan filingsOPERATINGRecord 362660300|IL|60071|10901 commercial st · first seen DEC 2024 · last seen DEC 2024
- SBA Paycheck Protection Program loan recordsEXISTENCERecord IL|richmond|10901 commercial st · first seen JAN 2021 · last seen JAN 2021
- EPA Facility Registry ServiceEXISTENCERecord 110012454922 · first seen JUN 2017 · last seen JUN 2017
IN MCHENRY COUNTY8 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 3 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- EPA: OLSUN ELECTRICS CORP · JUL 2026 · ON THIS PAGE
- SAM.gov: OLSUN ELECTRICS CORP · APR 2026 · ON THIS PAGE
- Street addressSOURCES DISAGREE
- EPA: 10901 COMMERCIAL · JUL 2026
- SAM.gov: 10901 COMMERCIAL ST · APR 2026 · ON THIS PAGE
- City
- EPA: RICHMOND · JUL 2026 · ON THIS PAGE
- SAM.gov: RICHMOND · APR 2026 · ON THIS PAGE
- State
- EPA: IL · JUL 2026 · ON THIS PAGE
- SAM.gov: IL · APR 2026 · ON THIS PAGE
- County (FIPS code)
- EPA: 17111 · SEP 2026
- CoordinatesSOURCES DISAGREE
- Census geocoder: 42.482145966431,-88.307122734675 · JUL 2026 · ON THIS PAGE
- EPA: 42.48378,-88.30849 · JUL 2026
- Employees (band)
- DOL: 20-99 · DEC 2024
- Website
- SAM.gov: www.olsun.com · APR 2026
- Year established
- Company website: 1950 · AUG 2026
- CAGE code
- SAM.gov: 0GRF8 · APR 2026
- Retirement plan filing (Form 5500)
- DOL: 67 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- PPP loan
- SBA PPP: PPP loan x2, approved 2021-01-27, 79 jobs reported · JAN 2021
- SAM registration expires
- SAM.gov: 2027-04-17 · APR 2026
- State business registration
- TX Comptroller: OLSUN ELECTRICS CORPORATION, registered with the Texas Comptroller of Public Accounts; Corporation; active