Switchgear Supply
Supply support for critical power projects with specification review, configuration guidance, compliance documentation, and fast fulfillment from Ontario, California to reduce delays and field adjustments.
DEI Power delivers code-compliant switchgear, engineering support, and rapid fulfillment for critical power projects. From custom configurations to stocked inventory in Ontario, California, our team helps contractors, engineers, and facility teams reduce downtime, avoid change orders, and keep demanding industrial and commercial schedules moving with confidence.

Comprehensive switchgear supply, engineering, and power distribution support for commercial, industrial, and utility applications.
Supply support for critical power projects with specification review, configuration guidance, compliance documentation, and fast fulfillment from Ontario, California to reduce delays and field adjustments.
Collaborative engineering services covering concept development, schematics, CAD layouts, component coordination, and finalized submittals to support code compliance, installation efficiency, and long-term serviceability.
Responsive technical support for custom layouts, ratings, and system integration, helping engineers and contractors align equipment selections with project requirements and existing infrastructure.
Heavy-duty service entrance switchgear for high-demand facilities, built with Siemens components and UL listed assemblies to support safe, reliable power distribution and easier maintenance.
High-density branch circuit distribution solutions for data centers and critical infrastructure, with scalable expansion, advanced metering, and improved visibility for proactive maintenance.
Low- and higher-capacity switchgear solutions engineered around project-specific ratings, enclosure needs, voltages, and jobsite requirements for dependable integration and long-term performance.
DEI Power supports industrial and commercial projects with switchgear solutions engineered for reliability, faster procurement, and cleaner installations. From Ontario, California fulfillment to nationwide coordination, every system is backed by technical guidance, clear submittals, and code-focused manufacturing. That means fewer change orders, reduced downtime risk, and dependable power distribution for facilities where schedule certainty and uptime matter most.

See how dependable switchgear and engineering support help customers stay on schedule and reduce risk.
We combine manufacturing capability, technical support, and fulfillment speed to simplify critical power projects.
Over 10 years supporting commercial, industrial, and utility power distribution projects.
Ontario, California inventory and in-house production help shorten lead times for urgent projects.
UL 891-certified solutions and Siemens OEM status support compliance and dependable field performance.
From local Southern California coordination to nationwide shipping, projects get responsive technical guidance.
Experienced specialists supporting critical power projects nationwide.
DEI Power has spent more than a decade helping contractors, engineers, and facility teams source dependable switchgear for demanding applications. Operating from a 50,000 sq. ft. facility in Ontario, California, the company combines manufacturing, assembly, engineering support, and fulfillment under one roof to keep projects moving efficiently. That Southern California base supports rapid deployment while serving customers nationwide with documentation, configuration guidance, and responsive technical assistance. DEI Power’s vision is to simplify complex power distribution procurement with code-compliant, serviceable solutions that reduce schedule risk and perform reliably in the field. By pairing UL 891-certified manufacturing with Siemens OEM capabilities and domestic sourcing support, the team focuses on long-term value, safety, and uptime for mission-critical environments.
DEI Power provides switchgear supply, custom design and engineering services, engineering support, service entrance switchgear, remote power panels, and project documentation support. These solutions are built for commercial, industrial, utility, and critical infrastructure applications where code compliance, reliable power distribution, and schedule certainty are essential. The company also supports configuration guidance, submittals, and nationwide shipping coordination.
Talk with our team for clear technical guidance and next steps.
DEI Power supports industrial and commercial power distribution projects from Ontario, California to customers nationwide.
Nationwide
Service Area
24/7 Contact
Support Hours
Ontario, CA
Fulfillment Base
We coordinate projects nationwide from our Ontario base.
Certified for compliant low-voltage switchgear.
Approved manufacturer using Siemens components.
Domestic assembly supports sourcing requirements.
Share your project requirements and our team will help with specifications, lead times, documentation, and next-step recommendations.
For immediate assistance, feel free to give us a direct call at (866) 773-8050. You can also send us a quick email at sales@deipower.com.
For immediate assistance, feel free to give us a direct call at (866) 773-8050. You can also send us a quick email at sales@deipower.com.