Company lists · Data refreshed October 2026

Top 25 Engineering professional associations based in the United States

Name: Engineering professional associations based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 276 companies tracked

RevenueBase identified 276 company matches for engineering professional associations associated with the United States as of October 2026 and tracks 6,169 professional contacts across them, including 938 with verified work emails. Atlanta is the largest hub.

This list covers company matches for engineering professional associations associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 12, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 12, 2026 How this list was built

276Companies

6,169Contacts tracked

938Verified emails

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The 25 largest engineering professional associations based in the United States

Ranked by team size

Top 25 of 276 company matches for engineering professional associations based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Asme The American Society Of Mechanical Engineers	Exact match	New York, NY, United StatesHQ recorded Oct 12, 2026	n/a	2,040 contacts →
	Exact match “ASME helps the global engineering community develop solutions to real world challenges.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	American Society Of Civil Engineers	Exact match	Washington, DC, United StatesHQ recorded Oct 12, 2026	n/a	1,540 contacts →
	Exact match “Founded in 1852, the American Society of Civil Engineers represents more than members in 177 countries.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Theta TAU	Exact match	Austin, TX, United StatesHQ recorded Oct 12, 2026	n/a	323 contacts →
	Exact match “Theta Tau is the oldest, largest, and foremost Fraternity for Engineers.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Institute Of Electrical And Electronics Engineers	Exact match	Washington, DC, United StatesHQ recorded Oct 12, 2026	501-1,000	177 contacts →
	Exact match “The Institute of Electrical and Electronics Engineers is a professional association with its corporate office in New York City and its operations center in Piscataway, New Jersey.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	The TAU Beta PI Association, INC	Exact match	Knoxville, TN, United StatesHQ recorded Oct 12, 2026	n/a	156 contacts →
	Exact match “The Tau Beta Pi Association was founded at Lehigh University in 1885 by Edward Higginson Williams, Jr, to mark in a fitting manner those who have conferred honor upon their Alma…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Association Of Energy Engineers	Exact match	Atlanta, GA, United StatesHQ recorded Oct 12, 2026	11-50	148 contacts →
	Exact match “The Association of Energy Engineers - a network of over 18,500 members and certified individuals, in over 144 countries, serves your needs for career development, networking and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	NCEES	Exact match	Greenville, SC, United StatesHQ recorded Oct 12, 2026	51-200	108 contacts →
	Exact match “NCEES (the National Council of Examiners for Engineering and Surveying) is a national nonprofit organization dedicated to advancing professional licensure for engineers and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	American Society For Engineering Education	Exact match	Washington, DC, United StatesHQ recorded Oct 12, 2026	51-200	89 contacts →
	Exact match “ASEE was founded in 1893 and is committed to advancing innovation, excellence, and access at all levels of education for the engineering profession.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	American Council Of Engineering Companies Acec	Exact match	Washington, DC, United StatesHQ recorded Oct 12, 2026	11-50	79 contacts →
	Exact match “Representing thousands of companies, we are the voice of the engineering industry in Washington, DC, and throughout the nation.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	National Society Of Professional Engineers	Exact match	Alexandria, VA, United StatesHQ recorded Oct 12, 2026	11-50	46 contacts →
	Exact match “NSPE fosters licensed professional engineers in service to society, ensuring the public can be confident that engineering decisions affecting their lives are made by qualified and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	The Engineering Society Of Detroit	Exact match	Southfield, MI, United StatesHQ recorded Oct 12, 2026	n/a	45 contacts →
	Exact match “Serving this generation of engineers and fostering the next, The Engineering Society of Detroit promotes and celebrates excellence, innovation, cooperation, professional growth…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Florida Engineering Society FES	Exact match	Tallahassee, FL, United StatesHQ recorded Oct 12, 2026	11-50	30 contacts →
	Exact match “FES promotes and defends the professional interests of all engineers in the state of Florida.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	American Academy Of Environmental Engineers And Scientists	Exact match	Annapolis, MD, United StatesHQ recorded Oct 12, 2026	1-10	23 contacts →
	Exact match “AAEES is dedicated to improving the practice, elevating the standards and advancing the cause of environmental engineering and environmental science.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Sigma PHI Delta Fraternity	Exact match	Chicago, IL, United StatesHQ recorded Oct 12, 2026	51-200	23 contacts →
	Exact match “For over 102 years, Sigma Phi Delta has served as the professional home for engineers who value integrity, excellence, and brotherhood.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	NCSEA	Exact match	Chicago, United StatesHQ recorded Oct 12, 2026	11-50	22 contacts →
	Exact match “The National Council of Structural Engineers Associations (NCSEA) was formed to constantly improve the level of standard of practice of the structural engineering profession…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Ptac Engineering	Exact match	Pensacola, FL, United StatesHQ recorded Oct 12, 2026	11-50	18 contacts →
	Exact match “At PTAC Engineering, we are dedicated to offering professional engineering services to the precast concrete industry.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	American Council Of Engineering Companies Of California Acec California	Exact match	Sacramento, United StatesHQ recorded Oct 12, 2026	1-10	15 contacts →
	Exact match “The American Council of Engineering Companies of California (ACEC California) is a 70 plus year-old, nonprofit association of private consulting engineering and land surveying…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	American Society Of Certified Engineering Technicians	Exact match	Smyrna, DE, United StatesHQ recorded Oct 12, 2026	1,001-5,000	14 contacts →
	Exact match “The American Society of Certified Engineering Technicians, or ASCET, is the only national, professional society created especially for, and administered by, engineering…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	United States Society On Dams Ussd	Exact match	Aurora, CO, United StatesHQ recorded Oct 12, 2026	1-10	14 contacts →
	Exact match “The United States Society on Dams is a professional organization made up of more than 1,300 engineering professionals and firms dedicated to environmentally sustainable dam and…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Acec NEW York	Exact match	Albany, NY, United StatesHQ recorded Oct 12, 2026	1-10	13 contacts →
	Exact match “ACEC New York’s mission is to promote the business interests of member firms through networking, advocacy, education and business services.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Acec Colorado	Exact match	Denver, CO, United StatesHQ recorded Oct 12, 2026	1-10	12 contacts →
	Exact match “ACEC Colorado is a state trade association with more than 255 member firms representing 13,500+ employees in the independent, private practice of consulting engineering.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	ATMAE	Exact match	North Huntingdon, PA, United StatesHQ recorded Oct 12, 2026	1-10	11 contacts →
	Exact match “ATMAE (Association of Technology, Management, and Applied Engineering) is the leading professional association advancing excellence in applied engineering, engineering technology…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	ALFKA	Exact match	Tampa, FL, United StatesHQ recorded Oct 12, 2026	11-50	10 contacts →
	Exact match “Alfka was formed in 2013 with the sole goal of improving our communities with sound engineering.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Geoprofessional Business Association	Exact match	Rockville, MD, United StatesHQ recorded Oct 12, 2026	1-10	10 contacts →
	Exact match “The Geoprofessional Business Association (GBA) helps its members and their clients confront risk and optimize business performance by delivering unique professional resources…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Engineers Club Of Baltimore	Exact match	Baltimore, MD, United StatesHQ recorded Oct 12, 2026	11-50	10 contacts →
	Exact match “One-Hundred years ago, the founders conceived their first organization, then known as the Engineers Club of Baltimore, in the aftermath of the great Baltimore fire.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “engineering professional associations”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 276 engineering professional associations based in the United States

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Engineering professional associations based in the United States at a glance

As of Oct 12, 2026

15.2%Verified-email coverage

22.4Average contacts per company

1-10Median size (employees)

4.3%Largest-city concentration · Atlanta

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

146

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 276 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United States whose business descriptions match “engineering professional associations” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 938 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on October 12, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “engineering professional associations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many engineering professional associations are there based in the United States?

RevenueBase identified 276 company matches for engineering professional associations associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Asme The American Society Of Mechanical Engineers tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most engineering professional associations?

Atlanta leads with 12 company records, followed by New York (10) and Washington (10).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 938 professional contacts with verified work emails tracked across these 276 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 12, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.