S-Line Contractors

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Southern California Office Location

We typically respond within 24 hours. Alternatively, feel free to give our office a call.

Contractor Lic. # 1053841

Class B – General

Class C10 – Electrical

Companies across the Inland Empire rely on dependable electrical contractors to keep facilities operating safely, efficiently, and compliant. S-Line Contractors provides commercial electrician services in Ontario, CA for businesses, industrial facilities, and property managers seeking a licensed and experienced team that delivers quality work on time and in budget.

From electrical repairs and panel upgrades to lighting systems and EV charging stations, our certified electricians support new construction, tenant improvements, industrial projects, and ongoing electrical maintenance services across Southern California and surrounding areas.

Commercial Electrical Services We Provide

We handle a full spectrum of electrical systems for commercial and industrial clients, including:

  • Electrical Installation & Electrical Wiring

     

  • Panel Upgrades & Panel Repair

     

  • Dedicated Circuits & Circuit Breaker Replacements

     

  • Lighting Installation, Lighting Systems & Lighting Design

     

  • Ceiling Fans & Light Fixtures

     

  • Landscape Lighting

     

  • Control Systems & Power Systems

     

  • Electrical Maintenance & Repair Services

     

  • Smoke Detector Installation

     

  • EV Charger Installation & EV Charging Stations

     

  • Water Heater & Air Conditioning Electrical Hookups

     

  • Energy Efficiency Upgrades

     

  • High Voltage & Low Voltage System Work

     

  • Emergency Services & Emergency Electricians

     

Whether you need a reliable service crew for facility projects or a licensed electrician for fast response time repairs, S-Line Contractors provides professional electrician support backed by real construction experience.

Industrial & Commercial Electrical Projects

S-Line Contractors is experienced in industrial electrician work involving:

  • Tenant Improvements

     

  • Manufacturing Facilities

     

  • Distribution Warehouses

     

  • Corporate Offices

     

  • Medical Spaces

     

  • Retail & Hospitality

     

  • Logistics & Industrial Projects

     

  • Multifamily & HOA Properties

     

  • Facility Solutions Group Support

     

Every project includes proper compliance, safety standards, and coordination with our project managers, electricians, and subcontractors. Our background as a General Contractor allows us to integrate electrical work into broader Construction Services without delays or change order headaches.

Why Companies Choose Us

Licensed Electrician – State License compliant
✓ Certified electricians with years of experience
✓ Reliable service with great job execution
✓ Fast response time and completed in a timely manner
✓ Clear communication and professional project management
✓ Free estimates available for qualified commercial work
✓ Serving Ontario electricians requests as well as Inland Empire + Southern California

Businesses appreciate that S-Line Contractors can handle ongoing electrical needs while also supporting broader facility work such as storage build-outs, tenant improvements, office upgrades, and industrial modifications.

Service Area

We provide commercial electrician services in:

  • Ontario, CA (Primary)

     

  • Chino Hills

     

  • Jurupa Valley

     

  • Santa Ana

     

  • La Habra

     

  • Inland Empire

     

  • Southern California + surrounding areas

     

Repairs, Maintenance & Emergency Services

Electrical issues can halt operations and create safety concerns. Our emergency electricians can troubleshoot and repair:

  • Faulty circuits

     

  • Outdated panels

     

  • Lighting failures

     

  • Control system issues

     

  • Damaged electrical equipment

     

  • Industrial power systems

     

  • Safety and compliance issues

     

We also offer scheduled electrical maintenance to prevent failures, improve energy efficiency, and prolong equipment life.

Industries We Work With

We often work with project managers, facility managers, property owners, and developers, including:

  • Commercial offices

     

  • Retail stores

     

  • Industrial facilities

     

  • Manufacturing plants

     

  • Hospitality & restaurants

     

  • Distribution & warehousing

     

  • Medical & healthcare

     

  • Mixed-use and multifamily housing

     

Strength in Construction + Electrical Integration

S-Line Contractors delivers full construction and electrical integration under one roof, reducing downtime and simplifying coordination. This is ideal for:

  • Tenant Improvements

     

  • Facility Solutions Group support

     

  • Buildouts & renovations

     

  • EV charging infrastructure

     

  • Lighting and power distribution

     

  • Industrial capacity upgrades

Ready to start your project?

Contact S-Line Contractors for a free consultation and let's bring your vision to life.