Engineering and Surveying Trade Associations

American Concrete Institute (ACI)

Global technical society advancing concrete knowledge, codes, education, and certification used across civil/structural engineering and construction.

https://www.concrete.org Membership: 35,000

American Council of Engineering Companies (ACEC)

U.S. business association of engineering design firms focused on advocacy, business resources, and industry research for consulting engineers and surveyors. (Member firms.)

https://www.acec.org Membership: 5,500

American Public Works Association (APWA)

North American association serving public- and private-sector professionals who plan, build, operate, and maintain public works and critical infrastructure.

https://www.apwa.org Membership: 32,000

American Railway Engineering and Maintenance-of-Way Association (AREMA)

Professional association that develops and publishes recommended practices for railway infrastructure engineering (track, structures, signals) and provides education.

https://www.arema.org Membership: 6,000

American Society for Photogrammetry and Remote Sensing (ASPRS)

Scientific and professional society for photogrammetry, remote sensing, and geospatial imaging professionals, with conferences, certification, and the PE&RS journal.

https://www.asprs.org Membership: 3,000

American Society of Civil Engineers (ASCE)

The leading U.S. civil engineering society providing standards, education, advocacy, and networks for infrastructure professionals worldwide.

https://www.asce.org Membership: 150,000

American Society of Highway Engineers (ASHE)

Transportation-focused society that connects public- and private-sector highway professionals for technical exchange, education, and fellowship.

https://ashe.pro Membership: 7,000

American Water Works Association (AWWA)

International nonprofit for water professionals and utilities; offers standards, training, and events across drinking water and wastewater disciplines.

https://www.awwa.org Membership: 50,000

Association of State Floodplain Managers (ASFPM)

U.S.-based nonprofit advancing effective floodplain management through education, policy advocacy, and the Certified Floodplain Manager (CFM) program.

https://www.floods.org Membership: 7,000

Institute of Transportation Engineers (ITE)

Global professional association improving mobility and safety; provides technical resources, training, and a network for transportation engineers and planners.

https://www.ite.org Membership: 18,000

International Federation of Surveyors (FIG)

UN- and World Bank–recognized federation representing national surveying associations; promotes standards, education, and global collaboration in surveying. (Member associations.)

https://www.fig.net Membership: 103

International Right of Way Association (IRWA)

Professional association for right of way acquisition, appraisal, relocation, and related infrastructure disciplines; offers education, credentials, and networking.

https://www.irwaonline.org Membership: 7,500

International Society for Photogrammetry and Remote Sensing (ISPRS)

International scientific society for photogrammetry, remote sensing, and spatial information; coordinates global research and standards via national members. (Ordinary Member organizations.)

https://www.isprs.org Membership: 90

MAPPS (Management Association for Private Photogrammetric Surveyors)

U.S. association of private-sector geospatial firms focused on business leadership, advocacy, and market development in surveying, mapping, and remote sensing. (Member firms.)

https://www.mapps.org Membership: 150

National Council of Structural Engineers Associations (NCSEA)

U.S. umbrella organization for 44 state Structural Engineers Associations; provides practice resources, education, and national advocacy for structural engineers.

https://www.ncsea.com Membership: 12,000

National Society of Professional Engineers (NSPE)

U.S. society representing licensed professional engineers across disciplines; offers ethics resources, licensure advocacy, education, and member benefits.

https://www.nspe.org Membership: 26,000

National Society of Professional Surveyors (NSPS)

National voice of U.S. professional surveyors; advances the profession through advocacy, education, certifications, and state affiliate partnerships.

https://nsps.us.com Membership: 17,000

Society of American Military Engineers (SAME)

Joint military–industry engineering association supporting national security; provides training, conferences, and industry–government engagement.

https://www.same.org Membership: 25,000

Urban and Regional Information Systems Association (URISA)

International association (rebranding as the Geospatial Professional Network) for GIS and geospatial professionals; offers training, chapters, and the GIS Leadership Academy.

https://urisa.org Membership: 3,000

Water Environment Federation (WEF)

Global water quality organization providing technical education, publications, and a network for engineers and operators via 75 Member Associations.

https://www.wef.org Membership: 30,000