A profile · Portland

Precision NetWorks

Portland, ME · Serves a 59-mile radius · Established 2021

★ 4.4 (112 reviews)

ETHERNET ·ACCESS CONTROL ·DATA CENTER ·FIBER OPTIC ·POE

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Illustrative photo for Precision NetWorks, a low-voltage installer in Portland, ME — Stock imagery: illustrative of the work Precision NetWorks performs. Real install photography in progress as we feature more pros.

Service area: 59-mile radius around Portland, ME — *Serves a 59-mile radius around Portland, ME.*

Portland's go-to contractor for ethernet & structured cabling and access control. Precision NetWorks serves residential and commercial clients across Maine.

Owner-operator Robert Hernandez runs the day-to-day at Precision NetWorks, working with the kind of hands-on attention to detail that's gotten the shop 112 verified reviews on WiringInstallers.

4.4 out of 5 · 112 verified reviews

What they do 5 focused categories of work.

Ethernet & Structured Cabling

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

Access Control

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

Data Center & Server Room

Rack builds, cable management, hot/cold aisle, and high-density patching.

Fiber Optic

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

Power over Ethernet (PoE)

PoE switch installation, WAP cabling, and powered device networks.

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

AVIXA CTS /BICSI INST1 /OSHA 10

Verified by WiringInstallers · last refreshed June 2026.