Local electricians who know Ontario: licensed, insured, and nearby.
Ontario is a major commercial and logistics hub in the Inland Empire, home to Ontario International Airport and vast warehouse, distribution, and industrial space along the 10 and 60 freeways. That commercial base drives demand for tenant improvements, switch gear repair and installation, temporary power, and power pedestals, alongside service calls for its businesses. Brennan Electrical brings commercial-grade expertise east to Ontario's industrial and retail properties.
Popular services in Ontario:
Comprehensive electrical solutions for commercial buildouts, renovations, and new construction.
Learn more →Repair, maintenance, and installation of switch gear systems for commercial and industrial properties.
Learn more →Durable, weather-resistant power pedestals for RV parks, marinas, event spaces, and commercial facilities.
Learn more →Safe, reliable temporary power setups for job sites, festivals, and commercial projects.
Learn more →Fast, reliable diagnosis and repair for any electrical issue, residential or commercial.
Learn more →Call us or send the form. We'll talk through your project and provide an honest, upfront estimate at no cost.
We explain the scope and price clearly before any work begins. No surprises, no hidden fees, no runaround.
Our team shows up, delivers quality work on schedule, and leaves your property safe and running right.
