Hiring for Project Managers, Crew Chiefs, Instrument Men and Rod Men. Please contact us for more information. S&V has provided services including Land Surveying, HDS Laser Scanning, Pipeline Services and Subsurface Utility Locating to each of the Harris County Precincts, Harris County Toll Road Authority, Harris County Flood Control District, Harris County Public Infrastructure Division, San Jacinto River Authority, TxDOT, METRO, City of Houston, ExxonMobil Pipeline Co., Montgomery County, The Woodlands Development Company, numerous engineering and architectural firms, as well as private clients.