Company lists · Data refreshed September 2026
Top 25 Data center commissioning companies worldwide
RevenueBase identified 716 data center commissioning companies worldwide as of September 2026 and tracks 18,965 professional contacts across them, including 7,231 with verified work emails and 3,731 with mobile numbers. The United States is the largest market and London the largest hub.
This list covers data center commissioning companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 7, 2026. Country and city lists for data center commissioning companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest data center commissioning companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,275 contacts → | ||||
Indirect evidence “Kinectrics is an integrated lifecycle management services company providing testing, inspection, certification and engineering consulting for the electric power generation…” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 2 | 956 contacts → | ||||
Indirect evidence “For over 150 years, TÜV Rheinland has helped shape a safer, more trustworthy world.” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 3 | 844 contacts → | ||||
Indirect evidence “SOCOTEC UK is a network of industry-leading experts we empower ambitious businesses at every stage of the asset lifecycle.” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 4 | 803 contacts → | ||||
Indirect evidence “Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 5 | 653 contacts → | ||||
Indirect evidence “Electric Power Systems is an independent electrical testing & engineering organization.” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 6 | 651 contacts → | ||||
Strong evidence “Founded in 2005, the vision behind Primary Integration (PI) was to build the most elite mission critical commissioning/data center commissioning and operational risk management…” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 7 | 542 contacts → | ||||
Indirect evidence “Innovating safety and security by creating the intelligent testing solutions that contribute to making the digitalized and connected world a safer place.” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 8 | 450 contacts → | ||||
Indirect evidence “CSI Engineering serves as an engineering-led construction management partner for complex building projects, coordinating design consultants, contractors, and specialist trades…” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 9 | 423 contacts → | ||||
Partial evidence “NV5 Mission Critical is a trusted leader in mission-critical design and commissioning management with a strong international presence.” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 10 | 381 contacts → | ||||
Indirect evidence “Life Cycle Testing, Inspection, Certification & Engineering Solutions for Mission Critical Facilities Worldwide Commitment to Diversity – FST is dedicated to non-discriminatory…” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 11 | 353 contacts → | ||||
Indirect evidence “Hanley Energy are global innovators in Critical Power and Energy Management solutions, with a stable of world-class engineers shared between European headquarters in Ireland…” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 12 | 317 contacts → | ||||
Strong evidence “A Aceco TI é uma empresa líder na construção de data centers na América Latina.” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 13 | 259 contacts → | ||||
Strong evidence “Over the last 15 years, we have worked in the world's top data centres and commercial facilities, providing quality engineering services.” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 14 | 241 contacts → | ||||
Indirect evidence “Uptime Institute is the Global Digital Infrastructure Authority.” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 15 | 231 contacts → | ||||
Strong evidence “Founded in 1983, APL is a Group specialised in the consultancy, engineering, construction and operation of data centers.” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 16 | 228 contacts → | ||||
Indirect evidence “In business since 1971, Electrical Reliability Services, Inc.” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 17 | 197 contacts → | ||||
Strong evidence “Sudlows Consulting is an award-winning data center consultant structured to provide support, expertise, and management to navigate through the entire life cycle of your critical…” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 18 | 195 contacts → | ||||
Strong evidence “Compu Dynamics, since 1982, has been the go-to data center and facility management experts in Maryland, Virginia, and Washington, DC with teams of in-house, factory-trained, and…” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 19 | 185 contacts → | ||||
Indirect evidence “As a preferred partner in compliance for the marketing and promotion of your electrical and electronic products, LCIE Bureau Veritas supports you from the development phase…” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 20 | 178 contacts → | ||||
Strong evidence “OFFICIAL ACCOUNT* Datalec Precision Installations provides world-class data centre design, build, and installation services that leverage unique technical expertise, including…” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 21 | 153 contacts → | ||||
Partial evidence “Rubicon Technical Services (RTS) offers innovative solutions for commissioning, testing, optimizing, operating, and maintaining critical facilities that depend on electrical…” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 22 | 153 contacts → | ||||
Indirect evidence “Atuamos com todas as disciplinas que envolvem um Ambiente de Missão Crítica: construção civil, instalações eletromecânicas, sistemas de controle, segurança patrimonial e detecção…” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 23 | 145 contacts → | ||||
Strong evidence “Recognised by the Financial Times as one of Europe's top 500 fastest-growing companies for three years running, Global Commissioning is the leading authority in data centre…” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 24 | 142 contacts → | ||||
Partial evidence “OUR COMPANY OTS is a leader in the industrial service industry, specializing in Pre-Commissioning, Commissioning and Start-Up services and Operations and Maintenance.” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 25 | 138 contacts → | ||||
Partial evidence “Sygna is a company delivering commissioning management and technical services across the built environment.” Source: RevenueBase Database · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: data center commissioning companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names data center commissioning companies.
- Partial evidence
- Its own public description names part of data center commissioning companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name data center commissioning companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 716 data center commissioning companies worldwide
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Data center commissioning companies worldwide at a glance
As of Sep 7, 2026Companies by employee count
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among data center commissioning companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- 10 countries, largest first: the United States, the United Kingdom, Canada, the United Arab Emirates, Germany, Australia, India, France, the Netherlands, Brazil. Country and city lists for data center commissioning companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “data center commissioning companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names data center commissioning companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among data center commissioning companies, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 7,231 across the full list. 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 between September 7, 2026 and September 14, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Data center commissioning companies by location
10 lists · largest firstEvery Data center commissioning companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Data center commissioning companies based in the United States335
- Data center commissioning companies based in the United Kingdom112
- Data center commissioning companies based in Canada50
- Data center commissioning companies based in the United Arab Emirates42
- Data center commissioning companies based in Germany34
- Data center commissioning companies based in Australia31
- Data center commissioning companies based in India31
- Data center commissioning companies based in France28
- Data center commissioning companies based in the Netherlands28
- Data center commissioning companies based in Brazil25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names data center commissioning companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many data center commissioning companies are there worldwide?
RevenueBase identified 716 data center commissioning companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Kinectrics, headquartered in Toronto, tops this list with the largest team on record.
Which country has the most data center commissioning companies?
The United States leads with 335 companies, followed by the United Kingdom (112) and Canada (50). Every data center commissioning companies list by country and city is linked on this page.
Which city has the most data center commissioning companies?
London leads with 24 headquartered companies, followed by Dubai (21) and Sao Paulo (11).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 7,231 verified decision-maker contacts tracked across these 716 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between September 7, 2026 and September 14, 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 Smart Search, 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.