Design Engineering
Collaborative design and engineering services develop production-ready power distribution systems with coordinated layouts, schematics, component selection, and compliance-focused documentation for defense applications.
DEI Power delivers engineered power distribution solutions for defense applications where uptime, compliance, and configuration accuracy matter. From custom layouts and in-house engineering support to rapid fulfillment from Ontario, California, we help contractors, integrators, and facility teams reduce schedule risk, simplify approvals, and secure dependable electrical performance for mission-critical environments.

Engineered power distribution solutions for defense projects requiring compliance, reliability, customization, and fast nationwide fulfillment.
Collaborative design and engineering services develop production-ready power distribution systems with coordinated layouts, schematics, component selection, and compliance-focused documentation for defense applications.
In-house engineering support helps configure custom ratings, layouts, and system integration details so defense projects move forward with accurate specifications and smoother installation.
Specification-driven switchgear supply includes configuration guidance, submittals, compliance documentation, and rapid fulfillment support to reduce delays, field adjustments, and procurement risk.
Heavy-duty service entrance switchgear supports large electrical loads with UL listed assemblies, Siemens components, and service-friendly layouts for dependable long-term operation.
Remote power panels provide scalable branch circuit distribution, integrated monitoring, and high-density performance for critical infrastructure requiring visibility and flexible expansion.
Custom-configured power distribution equipment is built around project-specific layouts, voltages, ratings, and enclosure requirements to support demanding defense infrastructure needs.
Defense power systems demand more than standard equipment. DEI Power supports complex projects with custom-engineered distribution solutions, UL 891-certified assemblies, Siemens OEM integration, and documentation that helps streamline approvals. With manufacturing and fulfillment based in Ontario, California, our team helps reduce lead-time pressure, support domestic sourcing goals, and deliver dependable performance for facilities where continuity, safety, and precision are essential.

See how engineered support and compliant equipment help demanding power projects stay on track.
We help defense and critical infrastructure teams source power systems with greater confidence.
UL 891-certified assemblies support safer, code-aligned performance in demanding mission-critical electrical environments.
Ontario, California inventory and in-house production help reduce delays on time-sensitive defense-related projects.
Approved Siemens OEM status supports dependable component integration, documentation accuracy, and long-term serviceability.
From specification review to shipping coordination, teams across the U.S. get responsive project support.
Experienced specialists behind every engineered power solution.
DEI Power has spent over a decade supporting critical power projects with reliable switchgear and custom distribution equipment. Operating from a 50,000 sq. ft. facility in Ontario, California, the company combines manufacturing, engineering support, and fulfillment under one roof to help customers move from concept to delivery with fewer delays. That Southern California base supports rapid deployment while giving national customers access to responsive project coordination and domestic manufacturing capabilities. DEI Power’s approach centers on precision engineering, clear documentation, and dependable execution for applications where uptime matters. By aligning custom configurations, compliance requirements, and practical installation needs early, the team helps contractors, engineers, and facility operators reduce risk and keep complex power infrastructure projects on schedule.
DEI Power supports custom power distribution equipment for mission-critical applications, including switchgear, service entrance equipment, remote power panels, and engineered assemblies tailored to project-specific layouts, voltages, ratings, and enclosure requirements. The team also provides design assistance, specification review, and documentation support to help defense-related projects move from concept through approval and installation with fewer coordination issues.
Talk with our team about specs, compliance, and lead times.
DEI Power supports customers across the U.S. with coordinated fulfillment, engineering guidance, and responsive project assistance.
Nationwide
Service Area
24/7 Phone Access
Availability
Ontario, CA
Fulfillment Hub
Confirm shipping, support, and service availability for your location.
Verified low-voltage switchgear compliance standard.
Authorized Siemens integration and manufacturing support.
Supports domestic sourcing and project compliance.
Share your specifications, timelines, and application details. Our team will review your requirements and help identify the right custom power distribution solution.
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.