Center Line Surveying, Inc. dba Survey Systems is a Service-Disabled Veteran-Owned Small Business (SDVOSB) and an Small Business Enterprise (SBE) with the City and County of Denver and RTD Fastraks. Survey Systems (SSI) has established a solid reputation as a professional land surveying company that places quality performance and customer satisfaction above everything else. It is this driving focus that has allowed SSI to provide more than 25 years of quality surveying services in Colorado. SSI offers a full-range of surveying services, including High Definition Surveying (HDS), construction development, certification surveying, and hydrographic systems. Whether it is high tolerance, heavy civil construction survey, large-scale land development survey, SSI has a proven track record for performing quality work on schedule. Our office is located at 30496 Bryant Drive, Suite 200, Evergreen, Colorado 80439. Contact us: T: 303.679.8122 F: 303.679.8123 E: info@surveysystems.net P.O. Box 2168 Evergreen, CO 80437