With a mission to understand, innovate, partner and deliver, EXP provides engineering, architecture, design and consulting services to the world’s built and natural environments. Our Story Our heritage dates back to 1906, when the earliest of EXP’s predecessor companies started its engineering infrastructure practice. Since then we have grown to a full-service, multidisciplinary firm delivering projects and solutions to clients and communities around the world. Today, thousands of creative professionals across EXP work together to deliver extraordinary experiences year after year.