Unilock Chicago

301 East Sullivan Rd., Aurora, IL 60505

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 4 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Concrete Block and Brick Manufacturing327331

Where it is

41.78918, -88.30691 · CENSUS TIGER

COUNTY

Kane County

METRO AREA

Chicago-Naperville-Elgin, IL-IN

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Other plants nearby

Facility	City	Industry	Status	Distance
K-five Construction INC	North Aurora	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	1.8 KM
Plote Construction	North Aurora	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	1.9 KM
SEK Corporation/MAIN	Aurora	Other Concrete Product Manufacturing 327390	LIKELY ACTIVE	2.8 KM
SEK Corporation / Aurora	Aurora	Other Concrete Product Manufacturing 327390	LIKELY ACTIVE	3.1 KM
Dukane Precast - Aurora Plant	Aurora	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	4.1 KM

Every listed plant in Kane County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 9 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, NPDES, OSHA-OIS, RCRAINFO · EPA site type STATIONARY.

OSHA injury and illness reportsOPERATING
Record 259825 · first seen DEC 2025 · last seen DEC 2025
DOL Form 5500 retirement plan filingsOPERATING
Record 363480878|IL|60505|301 e sullivan rd · first seen DEC 2024 · last seen DEC 2024
SBA Paycheck Protection Program loan recordsEXISTENCE
Record IL|aurora|301 e sullivan rd 0 0 · first seen APR 2020 · last seen APR 2020
EPA Facility Registry ServiceEXISTENCE
Record 110018162879 · first seen JUN 2017 · last seen JUN 2017

ALSO RECORDED ASUNILOCK

IN KANE COUNTY30 other plants share this one’s industry (Cement and Concrete Product Manufacturing, NAICS 3273); 10 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: UNILOCK · JUL 2026
Street address: EPA: 301 EAST SULLIVAN ROAD · JUL 2026
City: EPA: AURORA · JUL 2026
State: EPA: IL · JUL 2026
County (FIPS code): EPA: 17089 · SEP 2026
CoordinatesSOURCES DISAGREE: Census geocoder: 41.789183741373,-88.306906711828 · JUL 2026 · ON THIS PAGE; EPA: 41.787242,-88.307265 · JUL 2026
Employees (band): OSHA: 100-499 · DEC 2025
Retirement plan filing (Form 5500): DOL: 192 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
PPP loan: SBA PPP: PPP loan x1, approved 2020-04-10, 183 jobs reported · APR 2020

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