A profile · Chicago

Keystone Cable Systems

Chicago, IL · Serves a 41-mile radius · Established 2008

✓ ★ 4.3 (53 reviews)

ACCESS CONTROL ·PHONE / VOIP ·ETHERNET ·COAX ·FIBER OPTIC

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Illustrative photo for Keystone Cable Systems, a low-voltage installer in Chicago, IL — Stock imagery: illustrative of the work Keystone Cable Systems performs. Real install photography in progress as we feature more pros.

Service area: 41-mile radius around Chicago, IL — *Serves a 41-mile radius around Chicago, IL.*

Keystone Cable Systems has been the trusted choice for access control in Chicago for 18 years. From new construction to retrofits, we handle projects of all sizes with expert craftsmanship and attention to detail.

Owner-operator Jennifer Anderson runs the day-to-day at Keystone Cable Systems, working with the kind of hands-on attention to detail that's gotten the shop 53 verified reviews on WiringInstallers. After 18 years in the trade, the work speaks for itself.

4.3 out of 5 · 53 verified reviews

What they do 5 focused categories of work.

Access Control

Card readers, door controllers, and security access system wiring.

Telephone & VoIP

Phone system cabling, PBX installation, and VoIP infrastructure.

Ethernet & Structured Cabling

Cat5e, Cat6, Cat6A installation and termination for homes and businesses.

Coaxial & Cable TV

RG6/RG59 installation for cable TV, satellite, and MoCA networks.

Fiber Optic

Single-mode and multi-mode fiber installation, splicing, and testing.

Trained and certified 3 credentials, current as of last refresh.

BICSI INST2 /State Low-Voltage License /OSHA 10

Verified by WiringInstallers · last refreshed June 2026.