CEI Architecture Planning Interiors Inc. provides integrated architectural, planning, and interior design consulting services in Canada and the United States. The company’s services comprise architectural and interior design, master planning, site analysis, site planning and programming, feasibility studies, sustainability analysis, and facilitation and negotiation. It undertakes various projects, including recreation and community, civic and culture, office, healthcare and laboratories, K-12 and post secondary education, retail, industrial, and transportation.