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Contractor profile / Chicago

FIRST SECURITY SYSTEMS

Explore 9 Chicago work permits naming FIRST SECURITY SYSTEMS, Aug 3, 2026–Oct 19, 2026. Reported roles and job estimates cover the dates shown.

Recorded contractor roles: ELECTRICAL CONTRACTOR.

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Permits describing work9
Latest issued / readyOct 19, 2026
Typical reported estimate$560,000
Largest reported estimate$560,000

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2 work permits in the last 30 days · 8 in 90 days · Latest Oct 19, 2026

Source roles ELECTRICAL CONTRACTOR

Fire Alarm System 8
Electrical Work 1

Counts include permits naming this company. Administrative changes, unclear work descriptions and withdrawn records are excluded. Permit issue dates show filing activity; they do not establish construction progress or buying intent. Source work descriptions may differ from the categories shown below.

Security and low voltage

Company page

Visit company page ↗

Source ↗ · Checked Oct 23, 2026

Published business phone

(630) 961-5900

Source ↗ · Checked Oct 23, 2026

Activity in this coverage

Aug 3, 2026 — Oct 19, 2026 · Positive reported estimates: 1 of 9 work permits. Typical means the median of those estimates.

Issue yearWork permitsWith estimatesReported estimates
202691$560,000

Each permit counts once, even when a company has several roles. Estimates describe the whole permitted job; they are not company revenue or contract values. 1 administrative or unclear-scope record excluded from these totals. These figures cover the dates shown above and may not include all of the company's work.

Business contacts & licenses

Last checked Nov 2, 2026 · City trade-license register. City says current as of Monday, November 02, 8:00 AM.

Name matches a City register entry · compare the business address to confirm the company.

FIRST SECURITY SYSTEMS

1811 HIGH GROVE #191, NAPERVILLE, IL 60540

(630) 961-5900 ↗ Source ↗ · Checked Nov 2, 2026
Electrical Contractor (Low Voltage)
#ECC62170 · Listed active
License expires: Aug 31, 2027

Business contact details come from the public city register. Name matching does not independently verify ownership, phone reachability, availability, insurance, or work quality.

Check the official trade-license register ↗

Each permit is counted once by its primary category. A company's source role may cover only part of the work.

Also named on these permits

The source names these companies on the same permits. It does not establish who hired whom or a business partnership.

Permits in this coverage

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251 E Huron St ↗

View work details in the official source

#B200474524 · Other work

Not supplied

Oct 16, 2026

200 S Wacker Dr ↗

View work details in the official source

#B200480307 · Other work

Not supplied

Sep 17, 2026

15 S Wood St ↗

View work details in the official source

#B200506737 · Other work

Not supplied

Sep 1, 2026

4825 S Drexel Blvd ↗

View work details in the official source

#B200473679 · Other work

Not supplied

Aug 28, 2026

200 S Wacker Dr ↗

View work details in the official source

#B200480305 · Other work

Not supplied

Aug 25, 2026

200 S Wacker Dr ↗

View work details in the official source

#B200468779 · Other work

Not supplied

Aug 19, 2026

103 E Oak St ↗

View work details in the official source

#B200480298 · Other work

Not supplied

Aug 19, 2026

200 S Wacker Dr ↗

View work details in the official source

#B200479233 · Other work

Not supplied

Aug 3, 2026