Company lists · Data refreshed November 2026

Top 25 Rooftop structural engineers worldwide

Name: Rooftop structural engineers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 9,498 companies tracked

RevenueBase identified 9,498 company matches for rooftop structural engineers worldwide as of November 2026 and tracks 80,907 professional contacts across them, including 28,753 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for rooftop structural engineers worldwide, 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 6, 2026. Country and city lists for rooftop structural engineers follow the table.

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 6, 2026 How this list was built

9,498Companies

80,907Contacts tracked

28,753Verified emails

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The 25 largest rooftop structural engineers worldwide

Ranked by team size

Top 25 of 9,498 company matches for rooftop structural engineers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Freyssinet	Exact match	Rueil-malmaison, FranceHQ recorded Nov 6, 2026	5,001-10,000	1,611 contacts →
	Exact match “Founded over 70 years ago by Eugène Freyssinet, the inventor of prestressing, Freyssinet brings together an unrivalled range of skills in the specialist civil engineering sector…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Walter P Moore	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,446 contacts →
	Exact match “Welcome to Walter P Moore!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Robert Bird Group	Exact match	Brisbane, AustraliaHQ recorded Nov 6, 2026	501-1,000	873 contacts →
	Exact match “Robert Bird Group (RBG), member of the Surbana Jurong Group, is a specialist structural, civil and construction engineering consultancy with over 800 employees across 12 offices…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Hesco Engineering Services	Exact match	Jeddah, Saudi ArabiaHQ recorded Nov 6, 2026	501-1,000	868 contacts →
	Exact match “Hesco is a design and engineering rm located in the Kingdom of Saudi Arabia with oces in Jeddah, Riyadh, Makkah, Syria, Turkey, Egypt, Spain and Lebanon.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	RJC Engineers	Exact match	Vancouver, ON, CanadaHQ recorded Nov 6, 2026	501-1,000	822 contacts →
	Exact match “We are on a mission to futureproof North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Desimone Consulting Engineering	Exact match	New York, CA, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
7	TTW	Exact match	North Sydney, AustraliaHQ recorded Nov 6, 2026	501-1,000	531 contacts →
	Exact match “Great engineering starts with great people.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	RTM Engineering Consultants	Exact match	Schaumburg, KY, United StatesHQ recorded Nov 6, 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 6, 2026 · View company records in RevenueBase
9	JW Consultants LLP	Exact match	Pune, IndiaHQ recorded Nov 6, 2026	201-500	494 contacts →
	Exact match “JW Consultants LLP is among India's top Structural Consulting firms, providing services to architects, owners, contractors, and developers Since our establishment in 1975 as a…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	DCI Engineers	Exact match	Seattle, MT, United StatesHQ recorded Nov 6, 2026	201-500	429 contacts →
	Exact match “DCI Engineers has been providing client-focused structural and civil engineering services for over three decades.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Rebar Design & Detail P LTD	Exact match	Chennai, IndiaHQ recorded Nov 6, 2026	51-200	427 contacts →
	Exact match “Rebar D&D, a subsidiary of the Sumangala group of companies established in 1985, was founded by three professionals with a combined experience of 50 years in Civil Engineering…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Entuitive	Exact match	Calgary, BC, CanadaHQ recorded Nov 6, 2026	201-500	405 contacts →
	Exact match “ENTUITIVE BRINGS ENGINEERING AND INTUITION TOGETHER.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Western Specialty Contractors	Exact match	St. Louis, OK, United StatesHQ recorded Nov 6, 2026	1,001-5,000	400 contacts →
	Exact match “Western Specialty Contractors has been family-owned and operated since 1915, proudly serving clients nationwide with over 30+ branch offices.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	LUSEO	Exact match	Le Haillan, FranceHQ recorded Nov 6, 2026	501-1,000	395 contacts →
	Exact match “LUSEO is a multidisciplinary building design firm that provides highly specialized engineering and project administration services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Degenkolb Engineers	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	201-500	351 contacts →
	Exact match “Founded in 1940, Degenkolb Engineers’ practice reflects more than eight decades of commitment to expertise, client service, and life-long learning.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Ag&e	Exact match	Dallas, CO, United StatesHQ recorded Nov 6, 2026	201-500	299 contacts →
	Exact match “AG & E is the nation's largest structural engineering firm focused on data centers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Wallace Design Collective	Exact match	Tulsa, AR, United StatesHQ recorded Nov 6, 2026	201-500	298 contacts →
	Exact match “fantastic people.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	SSF Ingenieure AG	Exact match	Munich, GermanyHQ recorded Nov 6, 2026	201-500	286 contacts →
	Exact match “SSF is a consulting engineering company owned and operated by German engineers committed to the art of civil, structural and geotechnical engineering specializing in bridges…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Jva, INC	Exact match	Boulder, CO, United StatesHQ recorded Nov 6, 2026	51-200	276 contacts →
	Exact match “JVA, Incorporated is an employee-owned consulting engineering firm with offices in Boulder, Fort Collins, Winter Park, Glenwood Springs, and Denver, Colorado.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	ABT BV	Exact match	Arnhemsestraatweg 358, NetherlandsHQ recorded Nov 6, 2026	201-500	264 contacts →
	Exact match “ABT levert als onafhankelijk ingenieursbureau toegevoegde waarde aan de gebouwde omgeving.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	JR & CO	Exact match	Kansas City, CO, United StatesHQ recorded Nov 6, 2026	201-500	262 contacts →
	Exact match “Headquartered in Kansas City, MO and serving clients across the United States, JR & CO is a family and veteran-owned full building envelope contractor specializing in roofing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Larson Engineering	Exact match	White Bear Lake, SC, United StatesHQ recorded Nov 6, 2026	51-200	251 contacts →
	Exact match “Core Purpose: We use our passion for engineering to impact the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Allana Buick & Bers, INC	Exact match	Palo Alto, NC, United StatesHQ recorded Nov 6, 2026	201-500	245 contacts →
	Exact match “Allana Buick & Bers, Inc.(ABB) is a leading Architectural Engineering firm specializing in making buildings perform better by making them energy efficient and longer lasting with…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Freyssinet Australia	Exact match	Macquarie Park, AustraliaHQ recorded Nov 6, 2026	201-500	245 contacts →
	Exact match “Freyssinet is a versatile contractor that offers innovative solutions spanning from design to implementation for Specialist Civil Engineering and Structure Remediation projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Maffeis Engineering	Exact match	Solagna, United StatesHQ recorded Nov 6, 2026	201-500	237 contacts →
	Exact match “Maffeis Engineering is a multi-disciplined engineering firm, employing more than 310 professionals.” Recorded in the RevenueBase company graph · Nov 6, 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 “rooftop structural engineers”. 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 9,498 rooftop structural engineers worldwide

See the full list, filter by size, metro and specialty, and access 28,753 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Rooftop structural engineers worldwide at a glance

As of Nov 6, 2026

35.5%Verified-email coverage

8.5Average contacts per company

1-10Median size (employees)

1.3%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

5,959

11-50

2,766

51-200

507

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for rooftop structural engineers are linked below.
What qualifies: Company records worldwide whose business descriptions match “rooftop structural engineers” 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. 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 28,753 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 6, 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.

Rooftop structural engineers by location

48 lists · largest first

Every Rooftop structural engineers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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

How many rooftop structural engineers are there worldwide?

RevenueBase identified 9,498 company matches for rooftop structural engineers worldwide 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?

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

Which country has the most rooftop structural engineers?

The United States leads with 2,311 companies, followed by Brazil (683) and Germany (525). Every rooftop structural engineers list by country and city is linked on this page.

Which city has the most rooftop structural engineers?

Sao Paulo leads with 124 company records, followed by London (112) and New York (84).

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 28,753 professional contacts with verified work emails tracked across these 9,498 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 6, 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.