The American Congress on Surveying and Mapping
(ACSM) is an international professional association
representing the interests of those engaged in measuring and communicating spatial data relating to the Earth's surface. ACSM is composed of several autonomous professional societies, namely:
Individual members of ACSM are members of at least one of these professional societies.
ACSM's headquarters are located at 6 Montgomery Village Avenue, Suite #403, Gaithersburg, Maryland 20879.