American Land Surveyors Association (ALSA)

The American Land Surveyors Association (ALSA) is a professional organization that supports land surveyors—specialists who measure and map the physical features and boundaries of land. ALSA provides education, resources, and advocacy to ensure accurate and ethical surveying practices. Its members help establish property lines, develop land layouts, and support public safety and property rights. Through collaboration and standards development, ALSA promotes professionalism and advances the surveying industry across the United States.