Since 1922 · Electrical Contractors & Engineers
Delivering unmatched
integrated electrical
solutions.
Four generations of the Moore family. One hundred years of power, controls and technology. Rex Moore designs, builds and services the electrical systems behind hospitals, plants, data centers, campuses and communities.
What we do
Six disciplines. One accountable contractor.
Every discipline lives in house, so scope gaps close before they cost you.
The Power Line
Follow the current from first sketch to century-long service.
One continuous conductor runs through every Rex Moore project. Scroll to energize it.
01
Design
Electrical design-build led by engineers and pre-construction experts.
02
Preconstruction
Preliminary design, scoping and budget alignment before contract.
03
BIM
Full 3D coordination in Autodesk Revit to validate constructability virtually.
04
Construction
Kits, standardized assemblies and prefabrication through the Rex Moore Production System.
05
Controls
Industrial systems integration, instrumentation, SCADA, HMI and networks.
06
Technology
Fire alarm, telecom, surveillance, access control and security systems.
07
Service
24/7/365 emergency and routine maintenance for the life of the facility.
Selected projects
Built to run for decades.
Hospitals, food plants, data centers, resorts, transit-oriented housing and utility-scale solar — a portfolio built across eight market sectors.
36 projects · slide to explore
Markets
Where our work lives.
Filter the portfolio by the sector you build in.
Recognition
Independently ranked, repeatedly.
Rankings published by EC&M, ENR and the Sacramento Business Journal.
Top 50
Largest Electrical Contractors in the nation
EC&M magazine
Top 10
Largest Electrical Contractor in California
ENR magazine
Top 10
Largest Merit Shop Electrical Contractors in the nation
ENR magazine
3rd
Largest Merit Shop Electrical Contractor in California
ENR magazine
14th
Fastest Growing Company in the Sacramento Region
Sacramento Business Journal
#1
Electrical Contractor in the Sacramento Region
Sacramento Business Journal, 2018 Book of Lists
Straight answers
What Rex Moore does, plainly.
- What does Rex Moore do?
- Rex Moore Group, Inc. is an electrical contracting and engineering firm founded in 1922. It performs design/build and bid work for electrical and low voltage projects, including engineering and BIM, construction, instrumentation and controls, technical services such as fire alarm and telecommunications, EV charging infrastructure, and 24/7 service and maintenance.
- Does Rex Moore provide design-build electrical services?
- Yes. Rex Moore performs both design/build and bid work for most electrical and low voltage projects, with an in-house Engineering and Design Development department that works within an electrical design-build structure.
- Does Rex Moore provide 24/7 electrical service?
- Yes. Rex Moore's service and maintenance department is one of the largest in the industry, specializing in 24-hour emergency and routine maintenance for all types of facilities, with technicians available 24/7, 365 days a year.
- Does Rex Moore provide low voltage systems?
- Yes. Rex Moore entered the fire alarm, security and telecommunications market in 1995 and provides fire alarm and life safety, telecommunications, surveillance cameras, access control and security alarm systems.
- Does Rex Moore install EV charging infrastructure?
- Yes. Rex Moore provides turnkey EV charging solutions and EV fleet solutions — from initial consultation and site design through equipment procurement, construction, utility interconnection, commissioning and ongoing maintenance — with EVITP certified installers.
Let's build something that runs for a century.
Talk to the team about design-build electrical, low voltage systems, controls or 24/7 service.