Engineering Expertise with a Unified Vision
Bringing together decades of structural engineering experience to deliver resilient, efficient, and buildable solutions across every sector.
Successfully Completed Projects
SGI Structural is the result of a strategic merger between two respected engineering firms — Brienen Structural Engineers (BSE) and Griggs Engineering (GE). Together, we combine decades of technical expertise, diverse project experience, and a shared commitment to building structures that perform, endure, and elevate the communities they serve.
Our team delivers structural solutions across commercial, residential, institutional, and infrastructure sectors — providing thoughtful engineering that is both highly technical and practical for real-world construction.
Our team delivers structural solutions across commercial, residential, institutional, and infrastructure sectors — providing thoughtful engineering that is both highly technical and practical for real-world construction.
Engineering Expertise, Unified Under One Name
1000+
Years of Combined Experience
80+
We listen carefully, analyze thoroughly, and engineer solutions that meet the project’s goals without unnecessary complexity. Whether designing a new building, evaluating an existing structure, or supporting a major infrastructure project, we focus on thoughtful engineering that performs in the real world.
Our process is straightforward:
At SGI Structural, our approach is grounded in precision, collaboration, and practical engineering judgment. We design structures that are not only safe and code-compliant, but also efficient to build, cost-effective to construct, and resilient for decades to come.
We believe successful projects require clear communication and a proactive partnership with architects, developers, and contractors. That’s why our senior engineers stay directly involved throughout every phase — from early schematic planning to final construction support.
We believe successful projects require clear communication and a proactive partnership with architects, developers, and contractors. That’s why our senior engineers stay directly involved throughout every phase — from early schematic planning to final construction support.
Our Approach
What makes us different
With senior engineers actively involved from concept through construction, and with the added value of being a certified Women-Owned Business (WBE), SGI Structural delivers a level of reliability and partnership that consistently elevates project outcomes.
We bring a problem-solving mindset to every project, focusing on practical, buildable solutions that reduce complexity and support efficient construction. Our clients trust us for our responsiveness, our technical accuracy, and our ability to navigate challenges before they become costly issues.
SGI Structural combines the strengths of two established engineering firms, offering a depth of experience that spans residential towers, hospitality spaces, commercial developments, schools, ports, airports, and critical infrastructure.
But experience alone isn’t what sets us apart.
SGI Structural is officially recognized as a Women-Owned Business Enterprise, demonstrating our commitment to leadership diversity, equitable industry representation, and increased opportunities within public and private sector projects.
Proudly a Certified Woman-Owned Business (WBE)
Service Areas & Office Locations