EXP began in 1906 as an engineering infrastructure practice in Northern Ontario and has grown into a multidisciplinary firm serving the built and natural environments. The company provides engineering, architecture, design, and consulting services across areas such as buildings, infrastructure, environmental work, land development, transportation, water, and project delivery. EXP also supports specialized work in civil, structural, geotechnical, energy, climate resilience, and digital services, reflecting a broad technical portfolio. The company is expanding its U.S. regional presence while continuing to pursue projects in infrastructure and complex built-environment markets.