Commonwealth Land Surveyors, Inc. (CLS) is a multi-disciplinary Professional Land Surveying Firm dedicated to providing a single source professional service to public and private clients. CLS offers comprehensive services including FEMA Flood Elevation Certificates, Expert Witness Testimony, GPS data collection, Bridge Surveying for design and construction, Existing Condition Surveys for utility as built and design, Construction Layout Services, Commercial and Residential Perimeter Surveys and ALTA surveys. CLS staff comprises of experienced professionals with a combined experience of over 65 years.