Business Details
50+ Years
experience
Trusted Architecture & Engineering Solutions
Founded in 1973, ISG began as a small-town engineering vision focused on relationship-driven solutions. Today, we are a 100% employee-owned, multi-disciplinary firm with 16 offices across seven states, serving clients nationwide. Our mission centers on making a difference through client-first design, combining 52 years of experience with dynamic innovation. We prioritize empathy, collaboration, and responsiveness, earning recognition as #245 on ENR's Top 500 firms.With expertise in architecture, engineering, environmental planning, and advanced technologies like drone surveys and 3D scanning, we deliver tailored solutions for commercial, healthcare, education, and infrastructure projects. Our culture rejects egoswere a team of dedicated professionals committed to exceeding expectations while maintaining 48-state licensure coverage and earning multiple 'Best Places to Work' awards.
Services
Architecture
Engineering
Environmental Planning
3D Scanning
Drone Surveys
GIS Mapping
Urban Design
Land Surveying
Water/Wastewater Engineering
Landscape Architecture
Details
- Year established: 1973
Highlights and features
- We have 52 years of experience in architecture and engineering services.
- Our 100% employee-owned structure ensures unmatched commitment to client success.
- We operate in 48 licensed states, delivering nationwide project capabilities.
- We combine traditional expertise with advanced technologies like 3D scanning.
- We've earned recognition as one of ENR's Top 500 Design Firms.
What people say
Persistent, talented, visionary
Dedicated, passionate experts
True project partner
Employee-owned culture
Dynamic, multi-disciplinary team
Services
Architecture
Our architecture team creates innovative, functional spaces tailored to client needs. We specialize in commercial, healthcare, education, and residential projects, combining aesthetic vision with technical precision. From concept to completion, our designs prioritize sustainability, operational efficiency, and community impact while maintaining strict adherence to budgets and timelines.
Engineering
We deliver comprehensive civil, structural, and mechanical engineering services for infrastructure and building systems. Our expertise spans municipal projects, transportation networks, and industrial facilities. Using advanced tools like LiDAR and thermal drone technology, we ensure precision in every project phase from initial assessments to construction oversight.
Environmental Planning
Our environmental specialists provide permitting, compliance, and remediation solutions for land and water projects. We integrate GIS mapping and watershed analysis to develop sustainable strategies that balance regulatory requirements with ecological preservation across urban stormwater systems and rural surface water management initiatives.
3D Scanning
We utilize hyper-detailed 3D scanning to create accurate as-built documentation for complex structures. This technology enables clash detection during design phases, reducing rework and saving costs. Our solutions support renovation projects, infrastructure assessments, and historical preservation efforts with millimeter-level precision.
Drone Surveys
Our FAA-certified pilots conduct aerial surveys using advanced drone technology for site analysis and progress monitoring. This approach provides rapid data collection for topographic mapping, volumetric calculations, and construction documentation while enhancing safety and reducing field time by up to 60%.
Questions
What industries does ISG specialize in?
We serve commercial, healthcare, education, energy, government, residential, and transportation sectors with tailored architecture and engineering solutions.
Is ISG truly employee-owned?
Yes, we are 100% employee-owned, which fosters deeper investment in client success and community impact through our ownership culture.
How does ISG handle complex projects?
We combine technical expertise with advanced tools like GIS mapping and thermal drones to solve challenges proactively across 48 licensed states.
What makes ISG different from competitors?
Our one-firm profit center model enables seamless collaboration across disciplines while maintaining the personal commitment of a small firm culture.
Can ISG work with public sector clients?
We have extensive experience with municipal engineering, public works, and government facility projects at local, state, and federal levels.