Company lists · Data refreshed November 2026

Top 25 Structural engineering companies based in the United States

Name: Structural engineering companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 5,830 companies tracked

RevenueBase identified 5,830 company matches for structural engineering companies associated with the United States as of November 2026 and tracks 128,325 professional contacts across them, including 60,226 with verified work emails. New York is the largest hub.

This list covers company matches for structural engineering companies 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 November 5, 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 Nov 5, 2026 How this list was built

5,830Companies

128,325Contacts tracked

60,226Verified emails

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The 25 largest structural engineering companies based in the United States

Ranked by team size

Top 25 of 5,830 company matches for structural engineering companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	Terracon	Exact match	Olathe, NE, United StatesHQ recorded Nov 5, 2026	5,001-10,000	6,576 contacts →
	Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Thornton Tomasetti	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,382 contacts →
	Exact match “We apply scientific and engineering principles to solve the world’s challenges, starting with yours.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	ECS Group Of Companies	Exact match	Chantilly, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,363 contacts →
	Exact match “ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	IMEG	Exact match	Rock Island, IL, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,116 contacts →
	Exact match “Leaders in Engineering and Innovation.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Walter P Moore	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,446 contacts →
	Exact match “Welcome to Walter P Moore!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	GPI Greenman-Pedersen, INC	Exact match	Melville, FL, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,401 contacts →
	Exact match “With a staff of over 1,800 professionals, Greenman-Pedersen, Inc.(GPI) is a leading engineering consulting firm that specializes in the innovative design and construction of…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Volkert, INC	Exact match	Mobile, AL, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,244 contacts →
	Exact match “Volkert’s history began in 1925 when it was founded in New Orleans as Doullut & Erwin to provide waterfront and heavy construction services, as well as airport design services…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Simpson Gumpertz & Heger SGH	Exact match	Waltham, CA, United StatesHQ recorded Nov 5, 2026	501-1,000	969 contacts →
	Exact match “Simpson Gumpertz & Heger (SGH) is a national engineering firm committed to delivering holistic advice for our clients’ most complex challenges.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Coffman Engineers	Exact match	Seattle, CO, United StatesHQ recorded Nov 5, 2026	501-1,000	919 contacts →
	Exact match “The right team is more than an advantage.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	GPD Group	Exact match	Akron, OH, United StatesHQ recorded Nov 5, 2026	501-1,000	815 contacts →
	Exact match “Founded in 1961, GPD Group (GPD) has grown from only a handful of people to over 870 professionals in 14 offices located in Akron, Atlanta, Cleveland, Columbus, Dallas…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	KBR Energo Engineering	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 2026	n/a	807 contacts →
	Exact match “Energo Engineering is a KBR Company that provides the full package of structural integrity management (SIM) and advanced structural engineering services for offshore floating and…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Schnabel Engineering	Exact match	Glen Allen, VA, United StatesHQ recorded Nov 5, 2026	501-1,000	767 contacts →
	Exact match “Schnabel is a trusted partner in building the foundation for project success.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	C&s Companies	Exact match	Syracuse, NY, United StatesHQ recorded Nov 5, 2026	501-1,000	692 contacts →
	Exact match “Founded in 1968, the C&S Companies are known nationwide for client-focused engineering, architecture, planning, environmental, and construction services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Farnsworth Group, INC	Exact match	Normal, IL, United StatesHQ recorded Nov 5, 2026	501-1,000	687 contacts →
	Exact match “Farnsworth Group is a leading employee-owned full-service design firm, with 650-plus professionals across the United States.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Raba Kistner, INC	Exact match	San Antonio, UT, United StatesHQ recorded Nov 5, 2026	501-1,000	612 contacts →
	Exact match “Founded in 1968, Raba Kistner Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	DOWL	Exact match	Bellevue, WY, United StatesHQ recorded Nov 5, 2026	501-1,000	584 contacts →
	Exact match “For more than 60 years, it has been the quality of our people that defines the DOWL difference.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	KSA	Exact match	Longview, TX, United StatesHQ recorded Nov 5, 2026	51-200	546 contacts →
	Exact match “We Build People Who Build the Future KSA is an industry leader, providing a broad range of engineering, architecture, planning, surveying, and construction management services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Nova Engineering And Environmental, LLC	Exact match	Kennesaw, FL, United StatesHQ recorded Nov 5, 2026	501-1,000	541 contacts →
	Exact match “Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	Desimone Consulting Engineering	Exact match	New York, CA, United StatesHQ recorded Nov 5, 2026	501-1,000	540 contacts →
	Exact match “Founded in New York City in 1969, DeSimone provides structural engineering, façade and building envelope consulting, vertical transportation consulting, forensics, structural…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Thomas & Hutton	Exact match	Savannah, GA, United StatesHQ recorded Nov 5, 2026	501-1,000	535 contacts →
	Exact match “Our story began in 1946 with the collaboration of former US Army Corps of Engineers Officers, Hue Thomas and Joe Hutton, in their start-up engineering firm in Savannah, GA.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	RTM Engineering Consultants	Exact match	Schaumburg, KY, United StatesHQ recorded Nov 5, 2026	201-500	522 contacts →
	Exact match “We are an engineering firm that goes beyond a typical consulting role.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Tectonic Engineering Consultants, Geologists & Land Surveyors, D.P.C	Exact match	Mountainville, United StatesHQ recorded Nov 5, 2026	501-1,000	518 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	AI Engineers, INC	Exact match	Middletown, VA, United StatesHQ recorded Nov 5, 2026	201-500	504 contacts →
	Exact match “Founded in 1991, AI Engineers provides comprehensive Bridge, Transportation, Construction Support, Water/Wastewater, Site/Civil, Building Systems, Design-Build, Survey/Mapping…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Tower Engineering Professionals	Exact match	Raleigh, NC, United StatesHQ recorded Nov 5, 2026	1,001-5,000	470 contacts →
	Exact match “Tower Engineer Professionals was founded in 1997 by two tower-climbing engineers.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Ayres Associates	Exact match	Eau Claire, WI, United StatesHQ recorded Nov 5, 2026	201-500	467 contacts →
	Exact match “In 1959, Owen Ayres founded Ayres Associates atop a steadfast foundation of honesty, innovation, and good old-fashioned hard work – and a vision for a firm that revolved around…” Recorded in the RevenueBase company graph · Nov 5, 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 “structural engineering companies”. 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 5,830 structural engineering companies based in the United States

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Structural engineering companies based in the United States at a glance

As of Nov 5, 2026

46.9%Verified-email coverage

22.0Average contacts per company

1-10Median size (employees)

2.8%Largest-city concentration · New York

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

3,011

11-50

2,053

51-200

609

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 5,830 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 “structural engineering companies” 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 60,226 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 November 5, 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.

Structural engineering companies by metro

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 “structural engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many structural engineering companies are there based in the United States?

RevenueBase identified 5,830 company matches for structural engineering companies associated with the United States as of November 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?

Terracon tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most structural engineering companies?

New York leads with 163 company records, followed by Houston (122) and Los Angeles (73).

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 60,226 professional contacts with verified work emails tracked across these 5,830 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 November 5, 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.