Who we are
A century-old contractor that still builds like it has something to prove.
Rex Moore Group, Inc. is an electrical contracting and engineering firm founded in 1922, delivering design-build electrical, low voltage and 24/7 service capabilities across California, Nevada and nationally.
- Founded
- 1922
- Regional operations
- 5
- Market sectors
- 8
- Published projects
- 36
Company profile
Design/build and bid. Power and low voltage.
Rex Moore performs design/build and bid work for most electrical and low voltage projects. Our engineering and design development department works within an electrical design-build structure, pairing dedicated designers and engineers with a century of construction experience.
Our 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. It is also where the company started — the same discipline that carried Rex Moore through its first hundred years.
At a glance
- 0+
- Years of dedicated service
- 0/7/365
- Service & maintenance capability
- 0
- Regional operations
- 0
- Generations of Moore family leadership
Founded 1922
Emergency + routine
Plus a National Division
Since Benjamin Rex Moore
Recognition
Ranked by the people who count contractors.
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
Questions we get asked most.
- 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.
- Does Rex Moore provide electrical engineering and BIM?
- Yes. Rex Moore's design team develops designs in Autodesk Revit with 3D model development (BIM), coordinating architectural, mechanical, fire suppression and other models so constructability is validated virtually before products are purchased.
- Does Rex Moore provide instrumentation and controls?
- Yes. Rex Moore's industrial systems integration team integrates sensory, communications, analytics (PLC, RTU), visualization (SCADA, HMI, ERP), security and AC/DC power systems, and establishes project baselines through conceptualize, design, implement, validate, test and commission.
- What industries does Rex Moore serve?
- Rex Moore's published project work spans healthcare, commercial, institutional, industrial, multi-family residential, hospitality, mission critical facilities and renewable energy.
- Where does Rex Moore operate?
- Rex Moore operates from Northern California (Sacramento), Sierra Nevada (Reno, NV), Central Valley (Fresno), Central Coast (Atascadero) and a National Division established in 2022.
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.