Stantec Inc. is a provider of professional services in the area of infrastructure and facilities for clients in the public and private sectors. The Company's segment is Consulting Services. The Company's services include planning, engineering, architecture, interior design, landscape architecture, surveying, environmental sciences, project management, and project economics for infrastructure and facilities projects. The Company's three business operating units include Buildings, Energy & Resources, and Infrastructure. It operates in three geographic regional operating units: Canada, the United States and International. Its Buildings business operating unit consists of services in architecture, buildings engineering, project management, interior design, and functional planning for vertical infrastructure. The Energy & Resources business operating unit consists of environmental services, industrial engineering services, project management and construction management services.