Company lists · Data refreshed November 2026

Top 25 Pressure vessel testing services worldwide

RevenueBase identified 1,942 company matches for pressure vessel testing services worldwide as of November 2026 and tracks 24,915 professional contacts across them, including 4,201 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for pressure vessel testing services 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 pressure vessel testing services 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
1,942Companies
24,915Contacts tracked
4,201Verified emails
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The 25 largest pressure vessel testing services worldwide

Ranked by team size
Top 25 of 1,942 company matches for pressure vessel testing services 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMadrid, ItalyHQ recorded Nov 6, 202610001+1,442 contacts →

Exact match

“Applus+ is globally recognized across all phases of the oil and gas industry, including upstream, midstream, and downstream, both on land and at sea.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBergen, NorwayHQ recorded Nov 6, 20265,001-10,000656 contacts →

Exact match

“Oceaneering Asset Integrity is one of the largest providers of Integrity and Inspection Services in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHuntersville, GA, United StatesHQ recorded Nov 6, 2026201-500299 contacts →

Exact match

“Structural Integrity Associates is the most-trusted provider of proven engineering services for the energy and process industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchOklahoma City, TX, United StatesHQ recorded Nov 6, 2026201-500259 contacts →

Exact match

“Setting the Standard for Premier Inspection Services in the Oil & Gas Industry through our Dedication to Tradition / Talent / Technology / Teamwork TJ Inspection provides the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLeague City, TX, United StatesHQ recorded Nov 6, 2026201-500200 contacts →

Exact match

“PK Technical & Inspection is an advanced non-destructive testing and inspection company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchStrombeek-bever, BelgiumHQ recorded Nov 6, 2026201-500190 contacts →

Exact match

“Accredited as an approved inspection body for electricity, gas, elevators, fire detection, energy, asbestos, lifting and hoisting, environment and pressure, water, sewer, etc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchPasadena, TX, United StatesHQ recorded Nov 6, 2026501-1,000179 contacts →

Exact match

“The TechCorr name is synonymous with safe, quality inspection services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchVinhedo, BrazilHQ recorded Nov 6, 202651-200165 contacts →

Exact match

“Oferecemos soluções em inspeção e ensaios não destrutivos convencionais e não convencionais, e serviços metalúrgicos laboratoriais.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchDeer Park, TX, United StatesHQ recorded Nov 6, 20261,001-5,000164 contacts →

Exact match

“QualSpec is a leading industrial inspection firm headquartered in Houston, Texas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026201-500164 contacts →

Exact match

“About Us Cutting-edge technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchEdmonton, TX, CanadaHQ recorded Nov 6, 2026201-500151 contacts →

Exact match

“Metalogic Inspection Services delivers professional inspection services that support asset integrity, safety, and operational confidence across North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCape Town, South AfricaHQ recorded Nov 6, 202651-200142 contacts →

Exact match

“GasCon is a world class certified designer and fabricator, building 200-350 Certified Vessels for the Oil & Gas, Power and Transport Sectors per year.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNúñez, ArgentinaHQ recorded Nov 6, 2026201-500140 contacts →

Exact match

“Somos una empresa dedicada a brindar servicios de inspección, evaluación de integridad y ensayos no destructivos.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAustin, TX, United StatesHQ recorded Nov 6, 2026501-1,000136 contacts →

Exact match

“Welcome to On & Offshore Quality Control Specialists, LLC.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSaint Rose, TX, United StatesHQ recorded Nov 6, 2026201-500133 contacts →

Exact match

“Since 1978, Coastal Gulf & International, Inc.(CGI) has been a trusted leader in independent inspection, testing, and technical services for the energy, petrochemical, and marine…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchParma, MO, United StatesHQ recorded Nov 6, 2026201-500131 contacts →

Exact match

“JANX is a leader in nondestructive testing and inspection solutions with offices throughout the USA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchVlissingen, NetherlandsHQ recorded Nov 6, 20265,001-10,000129 contacts →

Exact match

“TEAM is sinds 1973 een wereldwijd, toonaangevend bedrijf op het gebied van gespecialiseerde mechanische en NDO & I services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAnchorage, AK, United StatesHQ recorded Nov 6, 2026201-500127 contacts →

Exact match

“Kakivik Asset Management is a full service asset integrity management company, specializing in Non-destructive Testing, Rope Access, Laboratory, and Chemical monitoring services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBatam, IndonesiaHQ recorded Nov 6, 2026201-500127 contacts →

Exact match

“Established in 2009, PT CAST Laboratories Indonesia is a leading independent testing and quality center, providing inspection and engineering services, certification to the oil &…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSouth Plainfield, NJ, United StatesHQ recorded Nov 6, 2026201-500122 contacts →

Exact match

“AEIS, LLC is a testing, inspection, and certification (TIC) agency that increases quality and safety outcomes for major infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchFort Worth, TX, United StatesHQ recorded Nov 6, 2026201-500115 contacts →

Exact match

“3B Inspection was founded in 2016 to provide dependable, high-quality inspection services for the oil and gas pipeline industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPorto Alegre, BrazilHQ recorded Nov 6, 202651-200115 contacts →

Exact match

“Megasteam empresa de prestação de serviços fundada em 1992 e tem como principais atividades: Instrumentação Calibração de válvulas e instrumentos; Recepção, testes e preservação…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSao Paulo, BrazilHQ recorded Nov 6, 2026201-500111 contacts →

Exact match

“A Mistras South America foi fundada em março de 1996, sob controle acionário do grupo Mistras com sede em Princeton, USA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchTunis, TunisiaHQ recorded Nov 6, 2026201-500109 contacts →

Exact match

“TIC, a leading organization in testing and inspection filed since 1993, with more than 400 employees, including engineers and technicians with the expertise and know-how that meet…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBaton Rouge, MO, United StatesHQ recorded Nov 6, 2026201-500108 contacts →

Exact match

“Formerly** Capitol Ultrasonics, LLC is a locally owned and operated Company specializing in Nondestructive Examination.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,942 pressure vessel testing services worldwide

See the full list, filter by size, metro and specialty, and access 4,201 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pressure vessel testing services worldwide at a glance

As of Nov 6, 2026
16.9%Verified-email coverage
12.8Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
836
11-50
694
51-200
271
201-500
101
501-1,000
12
1,001-5,000
8
5,001-10,000
2
10001+
2

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 pressure vessel testing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “pressure vessel testing services” 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 4,201 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.

Pressure vessel testing services by location

12 lists · largest first

Every Pressure vessel testing services 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 “pressure vessel testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pressure vessel testing services are there worldwide?

RevenueBase identified 1,942 company matches for pressure vessel testing services 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?

Applus OIL And GAS tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most pressure vessel testing services?

The United States leads with 279 companies, followed by Brazil (209) and India (119). Every pressure vessel testing services list by country and city is linked on this page.

Which city has the most pressure vessel testing services?

Houston leads with 39 company records, followed by Dubai (15) and Mumbai (13).

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 4,201 professional contacts with verified work emails tracked across these 1,942 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.