Surveying And Mapping (SAM) is a surveying and mapping company that provides a wide range of services to clients in the energy, transportation, and infrastructure industries. The company was founded in 1994 and is headquartered in Addison, Texas. SAM's services include land surveying, aerial mapping, 3D laser scanning, and utility engineering. The company's clients include government agencies, private companies, and non-profit organizations. SAM has over 1,200 employees and operates in over 30 locations across the United States.