Company lists · Data refreshed October 2026

Top 25 Mechanical integrity engineering firms worldwide

Name: Mechanical integrity engineering firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 18, 2026 12,281 companies tracked

RevenueBase identified 12,281 company matches for mechanical integrity engineering firms worldwide as of October 2026 and tracks 187,173 professional contacts across them, including 42,501 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for mechanical integrity engineering firms 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 October 18, 2026. Country and city lists for mechanical integrity engineering firms 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 Oct 18, 2026 How this list was built

12,281Companies

187,173Contacts tracked

42,501Verified emails

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The 25 largest mechanical integrity engineering firms worldwide

Ranked by team size

Top 25 of 12,281 company matches for mechanical integrity engineering firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 18, 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	Acuren	Exact match	Houston, TX, United StatesHQ recorded Oct 18, 2026	5,001-10,000	3,735 contacts →
	Exact match “Acuren (NYSE: TIC) is a leading provider of critical asset integrity services.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
2	Mistras Group	Exact match	Princeton Junction, NJ, United StatesHQ recorded Oct 18, 2026	5,001-10,000	2,903 contacts →
	Exact match “MISTRAS Group, Inc.(NYSE: MG) is a global leader in technology-enabled industrial asset integrity solutions, serving critical industries including oil & gas, aerospace & defense…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
3	ROSEN	Exact match	Stans, SwitzerlandHQ recorded Oct 18, 2026	1,001-5,000	2,830 contacts →
	Exact match “WE ARE EMPOWERED BY TECHNOLOGY For us, technology is the driving force of progress to ensure a more sustainable future for our customers, their assets and society.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
4	ECS Group Of Companies	Exact match	Chantilly, VA, United StatesHQ recorded Oct 18, 2026	1,001-5,000	2,259 contacts →
	Exact match “ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
5	Araujo Abreu Engenharia	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 18, 2026	1,001-5,000	1,886 contacts →
	Exact match “A Araujo Abreu foi fundada em 1922.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
6	Grupo RCS	Exact match	Brasilia, BrazilHQ recorded Oct 18, 2026	5,001-10,000	1,870 contacts →
	Exact match “A RCS é uma empresa de Engenharia especializada em oferecer serviços técnicos de missão crítica com alta tecnologia aplicada, para clientes que necessitam manter suas atividades…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
7	EKIUM	Exact match	Lyon Cedex 07, FranceHQ recorded Oct 18, 2026	1,001-5,000	1,550 contacts →
	Exact match “Welcome to Ekium!” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
8	Universal Plant Services	Exact match	Deer Park, TX, United StatesHQ recorded Oct 18, 2026	501-1,000	1,360 contacts →
	Exact match “Universal Plant Services (UPS) is the industry's foremost specialists in rotating and reciprocating equipment services.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
9	Dornan	Exact match	Cork, IrelandHQ recorded Oct 18, 2026	501-1,000	1,280 contacts →
	Exact match “Dornan Engineering concentrates on a market where quality is appreciated.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
10	Aries Marine And Engineering Services	Exact match	United Arab EmiratesHQ recorded Oct 18, 2026	1,001-5,000	1,257 contacts →
	Exact match “Aries is the largest Engineering, Inspection & Maintenance firm in the Middle East.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
11	Irisndt	Exact match	Edmonton, AB, CanadaHQ recorded Oct 18, 2026	10001+	1,170 contacts →
	Exact match “One of the largest independent Asset Integrity companies.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
12	Irmãos Passaúra S A	Exact match	Curitiba, BrazilHQ recorded Oct 18, 2026	1,001-5,000	1,167 contacts →
	Exact match “Empresa de Montagem e Manutenção Industrial” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
13	Convaço	Exact match	Ipatinga, BrazilHQ recorded Oct 18, 2026	1,001-5,000	1,020 contacts →
	Exact match “Considerada referência na prestação de serviços em engenharia de montagem e manutenção industrial, a CONVAÇO, fundada em julho de 1970, vem expandindo seus negócios nos mais…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
14	MKS Soluções Integradas S.A	Exact match	Camaçari, BrazilHQ recorded Oct 18, 2026	501-1,000	983 contacts →
	Exact match “No mercado desde 1994, somos uma empresa que oferece soluções integradas de engenharia nas áreas de manutenção, construção e montagem eletromecânica e serviços especializados de…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
15	Coffman Engineers	Exact match	Seattle, WA, United StatesHQ recorded Oct 18, 2026	501-1,000	889 contacts →
	Exact match “The right team is more than an advantage.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
16	BK Gulf LLC	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 18, 2026	5,001-10,000	819 contacts →
	Exact match “Established in 1978, BK Gulf LLC is a leading contractor in electrical, mechanical, instrumentation and building services within the UAE & Middle East market.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
17	KBR Energo Engineering	Exact match	Houston, TX, United StatesHQ recorded Oct 18, 2026	n/a	795 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 · Oct 18, 2026 · View company records in RevenueBase
18	C3 Engenharia & Soluções	Exact match	Lauro De Freitas, BrazilHQ recorded Oct 18, 2026	5,001-10,000	793 contacts →
	Exact match “Desde 2005 a C3 Engenharia é atuante nos segmentos de Paradas de Manutenção, Manutenção de Rotina, Construção e Montagem e Inspeção industrial.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
19	Grupo Sereng	Exact match	Vitória, BrazilHQ recorded Oct 18, 2026	201-500	778 contacts →
	Exact match “A SERENG é uma empresa de engenharia especializada em Projetos, Consultoria, Gerenciamento, Apoio Técnico e Gestão de Ativos (Manutenção), atuando nos mais diversos segmentos…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
20	Parlym	Exact match	Estaque, FranceHQ recorded Oct 18, 2026	1,001-5,000	773 contacts →
	Exact match “For over 50 years the Parlym Group has managed to establish itself as a major player in industrial engineering all over the world.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
21	Loenbro	Exact match	Westminster, CO, United StatesHQ recorded Oct 18, 2026	1,001-5,000	730 contacts →
	Exact match “Loenbro is a trusted, long-term construction lifecycle partner to thousands of customers across the U.S.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
22	Wyatt Field Service Company	Exact match	Houston, TX, United StatesHQ recorded Oct 18, 2026	1,001-5,000	725 contacts →
	Exact match “WYATT is recognized for executing complex maintenance, outage, turnaround, and capital construction projects across the Oil, Gas & Chemical, and Power markets.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
23	Foure Lagadec	Exact match	Le Havre, FranceHQ recorded Oct 18, 2026	1,001-5,000	720 contacts →
	Exact match “Building on its industrial heritage, its strong ties to the Snef Group, and its commitment to innovation, Fouré Lagadec continues to evolve to meet the technical and energy…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
24	Hydrochempsc	Exact match	Deer Park, TX, United StatesHQ recorded Oct 18, 2026	5,001-10,000	711 contacts →
	Exact match “HPC Industrial, a Clean Harbors business, is the leading provider of specialty maintenance services and technology solutions to the critical energy infrastructure in the United…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase
25	Tamoin	Exact match	Erandio/ Altzaga, SpainHQ recorded Oct 18, 2026	1,001-5,000	705 contacts →
	Exact match “TAMOIN, fundada en 1956, es en la actualidad una sociedad empresarial de GTM Grupo, en constante evolución hacia la especialización en servicios industriales.” Recorded in the RevenueBase company graph · Oct 18, 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 “mechanical integrity engineering firms”. 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 12,281 mechanical integrity engineering firms worldwide

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Mechanical integrity engineering firms worldwide at a glance

As of Oct 18, 2026

22.7%Verified-email coverage

15.2Average contacts per company

11-50Median size (employees)

1.6%Largest-city concentration · Sao Paulo

Oct 18, 2026Page data refreshed

Companies by employee count

1-10

5,989

11-50

4,149

51-200

1,513

201-500

353

501-1,000

131

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 mechanical integrity engineering firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “mechanical integrity engineering firms” 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 42,501 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 18, 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.

Mechanical integrity engineering firms by location

51 lists · largest first

Every Mechanical integrity engineering firms 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 “mechanical integrity engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mechanical integrity engineering firms are there worldwide?

RevenueBase identified 12,281 company matches for mechanical integrity engineering firms worldwide 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?

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

Which country has the most mechanical integrity engineering firms?

Brazil leads with 1,850 companies, followed by the United States (1,740) and the United Kingdom (758). Every mechanical integrity engineering firms list by country and city is linked on this page.

Which city has the most mechanical integrity engineering firms?

Sao Paulo leads with 195 company records, followed by Houston (103) and Rio De Janeiro (101).

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 42,501 professional contacts with verified work emails tracked across these 12,281 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 18, 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.