Welcome to William H. Smith and Associates P.C. Surveying Consultants! Founded in 1967, William H. Smith and Associates has been providing the highest grade of high professional land surveying services in the industry for over forty years. We regularly serve industrial and public clientele throughout the Rocky Mountain Area and are always welcoming new clients. Regardless of a projects complexity or size, it is our philosophy that our prime responsibility lies in ensuring that the services we provide are accurate, expeditious, and complete.