Founded in 1934, the American Society for Photogrammetry and Remote Sensing (ASPRS) is a scientific association serving over 7,000 professional members around the world, whose mission is to advance knowledge and improve understanding of mapping sciences to promote the responsible applications of photogrammetry, remote sensing, geographic information systems (GIS), and supporting technologies.

NSPS provides the platform by which members can share their thoughts and opinions about our common interests through business meetings /committees, regional groups, and student chapters. It also provides a forum for input from other groups such as the National Association of County Surveyors, members of state boards of registration, and the Forum for State Surveying Society Executives. Membership is open to all professional surveyors and to persons trained, registered, or interested in the profession of surveying and mapping.

Pennsylvania Society of Land Surveyors is a statewide professional society of individuals interested in the practice of land surveying. PSLS was established on May 6, 1969, under the laws of Pennsylvania as a nonprofit 501(c)6 organization with purposes as set forth in the Articles of Incorporation.