Stantec operates through five primary business units: Infrastructure, Buildings, Water, Environmental Services, and Energy & Resources. The company serves a diverse client base across North America and internationally, with the United States representing its largest market. Its services span the entire project lifecycle, from initial concept and planning to design, engineering, and project management. Stantec has grown significantly through strategic acquisitions, expanding its geographic footprint and technical capabilities. The firm is widely recognized for its expertise in water infrastructure, renewable energy, and sustainable community development, positioning itself as a leader in addressing climate change and aging infrastructure.