ENgineering

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Delivers safe, efficient, and buildable solutions for new construction, adaptive reuse, and complex renovations. We combine rigorous analysis with field-tested constructability to help owners, architects, and contractors achieve performance, schedule, and budget goals.

Comprehensive planning, design, and management services for public and private infrastructure projects.

From high-voltage utility interconnections to interior distribution systems, Diamond’s engineers deliver smart, resilient, and code-compliant electrical designs for public and private clients.

Complete design and consulting services for building systems, infrastructure, and industrial facilities. We specialize in creating safe, reliable, and energy-efficient mechanical systems that enhance comfort, productivity, and operational performance.

From advanced HVAC and plumbing systems to process piping and cogeneration plants, our engineers deliver integrated solutions that align technical precision with sustainability, cost-efficiency, and long-term maintainability.

Design and implement the digital backbone that drives modern facilities and infrastructure.

From enterprise data networks and security systems to intelligent building automation and fiber-optic communication, we deliver scalable, secure, and future-ready IT solutions that integrate seamlessly with electrical, mechanical, and operational systems.

Dedicated to safeguarding lives, property, and mission-critical assets through innovative, code-compliant, and performance-driven design solutions.

We bring together deep technical knowledge, real-world experience, and a commitment to excellence in every aspect of fire protection from early design through commissioning and inspection. Our engineers collaborate closely with architects, mechanical and electrical teams, and code officials to deliver comprehensive life-safety systems 

Innovative, science-based solutions that shape how people experience sound in the spaces where they live, work, and perform.

From critical listening environments and performance halls to industrial facilities and transportation infrastructure, we design systems that control noise, optimize acoustics, and enhance clarity creating spaces that perform as precisely as they look.

Designing, improving, and sustaining the infrastructure that moves our communities forward.

From local roadway enhancements to multimodal transportation networks, we deliver safe, efficient, and sustainable transportation solutions that balance mobility, accessibility, and environmental stewardship.