DEI Engineering

DEI Engineering (Dunn Engineering Inc.) is a full service electronic product development and design company based in Ottawa, Ontario. For over two decades, DEI has been a trusted partner to organizations ranging from government agencies and Fortune 500s to SMEs and startups across Canada, the U.S., Europe, and Asia. We specialize in taking complex ideas from concept to reality through our deep expertise in electronics, embedded systems, and full product development. Our services support every stage of the product lifecycle. We offer electronic hardware design, including analog, digital, mixed signal, and power electronics systems. Our PCB layout and prototyping services are rapid, precise, and optimized for performance and manufacturability. We provide firmware and embedded software development for low level drivers, wireless protocols, and real time systems. DEI also designs Internet of Things (IoT) solutions using Wi Fi, Bluetooth, LoRa, ZigBee, GPS, and cellular technologies. Our team develops industrial and product designs for mechanical enclosures and user interfaces, and we provide system integration, testing, and production test engineering. Our manufacturing support services include design for manufacturing (DFM), pilot builds, and production ramp up assistance. We serve a broad range of sectors including defense and security, cleantech, healthcare, mining, transportation, industrial automation, HVAC, smart cities, and instrumentation. Our portfolio includes award winning products, patented innovations, and “world’s first” designs such as secure wireless wearables, military grade dataloggers, pipeline protection systems, diagnostic medical devices, and AI powered sensing platforms. What sets DEI apart is our multidisciplinary team of engineers, technologists, and designers, supported by agile project management and a strong culture of collaboration. We are committed to delivering design excellence, technical integrity, and responsive client service. Our flat structure ensures direct access to technical professionals, accelerating feedback and alignment. DEI builds long term partnerships by consistently delivering reliable, cost effective, and innovative solutions. From feasibility studies to prototypes and production ready designs, DEI Engineering brings together vision, technology, and precision to create high impact electronic products that perform, scale, and succeed.