Commercial Electrical Equipment Services

DEI Power supplies and supports commercial electrical equipment built for dependable power distribution, faster fulfillment, and code-ready documentation. From switchgear and service entrance equipment to engineering support, our team helps contractors, engineers, and facility teams reduce downtime, avoid costly field changes, and keep critical projects moving with confidence.

Commercial switchgear lineup for power distribution

Our Commercial Electrical Equipment Services

Code-compliant power distribution equipment and engineering support for commercial, industrial, and critical infrastructure applications.

Switchgear Supply

Supply support for critical power projects with specification review, configuration guidance, compliance documentation, and faster fulfillment to reduce schedule risk and field adjustments.

Engineering Design

Collaborative design and engineering services covering schematics, layouts, component coordination, code review, and production-ready submittals for power distribution equipment.

Service Entrance

Heavy-duty service entrance switchgear for commercial and industrial facilities, built for reliable load control, code compliance, and easier long-term maintenance.

Low Voltage Gear

Low-voltage switchgear engineered for flexible integration, dependable distribution, and service accessibility across commercial buildings, manufacturing sites, and data centers.

Medium Voltage Gear

High-capacity switchgear designed for demanding environments that require coordinated protection, stable distribution, and scalable infrastructure for continuous operation.

Remote Power Panels

Remote power panels for high-density branch circuit distribution, offering scalable expansion, monitoring visibility, and service-friendly performance in critical environments.

Code-Ready Solutions

Built for Reliable Power Distribution

DEI Power helps commercial and industrial buyers source electrical equipment that is engineered for safety, compliance, and long-term performance. With UL 891-certified solutions, Siemens OEM support, and in-house engineering guidance, customers get clearer submittals, fewer change orders, and faster turnaround on time-sensitive projects. Whether you need switchgear, service entrance equipment, or RPPs, the focus stays on uptime, installation efficiency, and dependable operation.

Engineer reviewing commercial electrical equipment plans
Trusted For Uptime

Success Stories

See how commercial teams rely on dependable equipment, documentation, and fulfillment support for critical power projects.

"Working with DEI Power has been a game-changer for our operations. Their custom panelboards are expertly built, and the in-house bus bar manufacturing…"

Scott L.
The DEI Power Difference

Why Choose DEI Power?

Commercial buyers choose DEI Power for speed, accuracy, and dependable electrical equipment support.

Certified Quality

UL 891-certified equipment supports safer installations, approvals, and dependable long-term electrical performance.

Fast Fulfillment

Ontario warehouse inventory and rapid shipping help reduce downtime and keep urgent projects moving.

Engineering Support

In-house guidance improves configuration accuracy, documentation quality, and installation readiness from the start.

OEM Precision

Approved Siemens OEM status supports trusted components, consistent quality control, and reliable system integration.

Meet The DEI Team

Experienced specialists supporting critical power equipment projects.

DEI Power has spent more than 10 years helping commercial, industrial, and utility customers secure dependable switchgear and power distribution equipment. Operating from a 50,000 sq. ft. facility in Ontario, California, the company combines manufacturing, fulfillment, and engineering support under one roof to improve speed and consistency. Over time, DEI Power has expanded from switchgear manufacturing into a broader power distribution solutions provider, supporting contractors, engineers, and facility teams with custom configurations, code-ready documentation, and responsive project coordination. The company’s vision is simple: make complex electrical equipment procurement easier, safer, and more predictable by delivering reliable products, accurate guidance, and schedule-focused support for projects where uptime and compliance matter most.

10+ YearsSupporting commercial and industrial power distribution projects.
50,000 Sq. Ft.Ontario facility for manufacturing and fulfillment.
Nationwide ServiceShipping and project support across the country.

Frequently Asked Questions

What are commercial electrical services?

Commercial electrical services involve the design, supply, configuration, installation support, and maintenance of electrical systems used in business, industrial, and institutional facilities. In DEI Power’s case, that includes switchgear, service entrance equipment, remote power panels, and engineering support that help contractors and facility teams manage power safely, meet code requirements, and maintain reliable operation in demanding environments.

What types of commercial electrical equipment do you provide?

Is your switchgear UL certified?

Do you offer engineering support for equipment selection and configuration?

How quickly can commercial electrical equipment ship?

What industries do you serve?

Can you support domestic sourcing or Buy America requirements?

Do I need a quote for service entrance switchgear?

Still Have Equipment Questions?

Talk with our team about specs, lead times, and support.

Nationwide Service Coverage

DEI Power supports commercial electrical equipment projects nationwide with fast shipping and responsive coordination.

Nationwide

Service Area

24/7 Phone Support

Availability

Fast Shipping

Fulfillment

Need Coverage For Your Project?

Ask about shipping, support, and project coordination today.

Certified & Trusted

Awards and Recognition

UL 891 certification logo

UL 891 Certified

Recognized compliance for low-voltage switchgear.

Approved Siemens OEM badge

Siemens OEM

Approved manufacturer using genuine Siemens components.

USA manufactured equipment badge

USA Manufacturing

Domestic assembly supporting sourcing compliance needs.

Get Commercial Equipment Support

Share your project requirements, equipment needs, or documentation questions and our team will help you identify the right solution.

Contact Us Today

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.