Company lists · Data refreshed November 2026
Top 25 Commissioning and testing firms worldwide
RevenueBase identified 1,101 company matches for commissioning and testing firms worldwide as of November 2026 and tracks 17,920 professional contacts across them, including 4,227 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for commissioning and testing 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 November 6, 2026. Country and city lists for commissioning and testing 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.
The 25 largest commissioning and testing firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,312 contacts → | ||||
Exact match “Dornan Engineering concentrates on a market where quality is appreciated.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 678 contacts → | ||||
Exact match “Electric Power Systems is an independent electrical testing & engineering organization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 475 contacts → | ||||
Exact match “CSI Engineering serves as an engineering-led construction management partner for complex building projects, coordinating design consultants, contractors, and specialist trades…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 411 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 398 contacts → | ||||
Exact match “Commtech Asia is a market-leading, independent building commissioning consultant.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 330 contacts → | ||||
Exact match “Founded to meet the needs for professional engineering services for its clients and to advance the quality of the constructed environment, EES is a licensed and certified firm…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 316 contacts → | ||||
Exact match “Contraco was established in 1964, in the field of Construction and Trading in the State of Qatar.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 291 contacts → | ||||
Exact match “Phasor Engineering Inc, a Quanta Services company, provides engineering, design, testing, commissioning, and field technical services for utility, transmission, distribution, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 270 contacts → | ||||
Exact match “In business since 1971, Electrical Reliability Services, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 223 contacts → | ||||
Exact match “FourQuest Energy is a global leader in pre-commissioning, commissioning, and pipeline services for the energy industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 214 contacts → | ||||
Exact match “http://tpiengineering.com/” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 181 contacts → | ||||
Exact match “Hanley Calibration was established in 1992 to provide Calibration and Commissioning services to the Pharmaceutical, Biotechnology and Medical Device industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 176 contacts → | ||||
Exact match “Rubicon Technical Services (RTS) offers innovative solutions for commissioning, testing, optimizing, operating, and maintaining critical facilities that depend on electrical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 170 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 165 contacts → | ||||
Exact match “In Power Plants, Chemical / Petro Chemical Industries and in the Prestigious Projects of Department of Space and Atomic Energy across the country you will find the CHEMIN TEAM…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 160 contacts → | ||||
Exact match “STED - Third Party Testing and Commissioning Management for MEP and ELV Systems Location: Saudi Arabia | Serving: Government and Projects of All Scales STED is a dedicated…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 156 contacts → | ||||
Exact match “Since 1986, Burgess Construction Consultants, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 150 contacts → | ||||
Exact match “Hood Patterson & Dewar (HP & D) is a customer-driven, employee-owned collaborative team of engineers, technicians, and service professionals, offering: • Electrical and mechanical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 147 contacts → | ||||
Exact match “Since its establishment in 1998, The Engineering Company for Testing and Balancing Services, TAB, goal was to become the real representation of its slogan, “A Professional…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 135 contacts → | ||||
Exact match “Engineered Air Balance is the leading authority in total system balancing, building commissioning, and critical environment certifications at the forefront of industry standards…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 135 contacts → | ||||
Exact match “Sygna is a company delivering commissioning management and technical services across the built environment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 106 contacts → | ||||
Exact match “For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 102 contacts → | ||||
Exact match “As a distinguished Qualified TAB & MEP Testing and Commissioning Firm, we take pride in our team of highly certified supervisors and technicians, boasting a total of 30 individual…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 100 contacts → | ||||
Exact match “Henderson Building Solutions is a general contractor and commissioning services firm that provides a seamless bridge between design, construction, and ongoing maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 95 contacts → | ||||
Exact match “Specialists in Electrical Power Systems - Testing, Commissioning, Maintenance.” 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 “commissioning and testing 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 1,101 commissioning and testing firms worldwide
See the full list, filter by size, metro and specialty, and access 4,227 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Commissioning and testing firms worldwide at a glance
As of Nov 6, 2026Companies by employee count
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 commissioning and testing firms are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “commissioning and testing 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 4,227 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.
Commissioning and testing firms by location
6 lists · largest firstEvery Commissioning and testing firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Commissioning and testing firms based in the United States285
- Commissioning and testing firms based in the United Kingdom106
- Commissioning and testing firms based in Canada46
- Commissioning and testing firms based in Australia43
- Commissioning and testing firms based in Brazil38
- Commissioning and testing firms based in the United Arab Emirates29
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 “commissioning and testing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many commissioning and testing firms are there worldwide?
RevenueBase identified 1,101 company matches for commissioning and testing firms 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?
Dornan tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most commissioning and testing firms?
The United States leads with 285 companies, followed by the United Kingdom (106) and Canada (46). Every commissioning and testing firms list by country and city is linked on this page.
Which city has the most commissioning and testing firms?
London leads with 14 company records, followed by Dubai (12) and Chennai (11).
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 4,227 professional contacts with verified work emails tracked across these 1,101 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.
Ready to reach these companies? Verified emails and direct dials for all 1,101 commissioning and testing firms worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
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.
More company lists
Company intelligence · public preview
Top 25 commissioning and testing firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,101 matching company records for commissioning and testing firms worldwide, with 17,920 tracked contacts and 4,227 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 commissioning and testing firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Dornandornangroup.comHQ: Cork, IrelandReported employees: 501-1,000 | Cork, Ireland | 501-1,000 | Exact match | 1,312 contacts → |
“Dornan Engineering concentrates on a market where quality is appreciated.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Electric Power Systemsvoltyx.comHQ: Maryland Heights, MI, United StatesReported employees: 501-1,000 | Maryland Heights, MI, United States | 501-1,000 | Exact match | 678 contacts → |
“Electric Power Systems is an independent electrical testing & engineering organization.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  CSI Globalcsicx.comHQ: Dubai, United Arab EmiratesReported employees: 501-1,000 | Dubai, United Arab Emirates | 501-1,000 | Exact match | 475 contacts → |
“CSI Engineering serves as an engineering-led construction management partner for complex building projects, coordinating design consultants, contractors, and specialist trades…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Bureau Veritas Primary Integrationprimaryintegration.com HQ: Mclean, VA, United StatesReported employees: 201-500 | Mclean, VA, United States | 201-500 | Exact match | 411 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Commtech Asiacommtechasia.comHQ: Tokyo, Hong KongReported employees: 201-500 | Tokyo, Hong Kong | 201-500 | Exact match | 398 contacts → |
“Commtech Asia is a market-leading, independent building commissioning consultant.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Evolution Engineering Services - EESees-int.comHQ: Riyadh, Saudi ArabiaReported employees: 201-500 | Riyadh, Saudi Arabia | 201-500 | Exact match | 330 contacts → |
“Founded to meet the needs for professional engineering services for its clients and to advance the quality of the constructed environment, EES is a licensed and certified firm…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Contraco W.L.Lcontraco.com.qaHQ: Doha, QatarReported employees: 5,001-10,000 | Doha, Qatar | 5,001-10,000 | Exact match | 316 contacts → |
“Contraco was established in 1964, in the field of Construction and Trading in the State of Qatar.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Phasor Engineering INCphasorengineering.caHQ: Calgary, AB, CanadaReported employees: 201-500 | Calgary, AB, Canada | 201-500 | Exact match | 291 contacts → |
“Phasor Engineering Inc, a Quanta Services company, provides engineering, design, testing, commissioning, and field technical services for utility, transmission, distribution, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Electrical Reliability Services, INCers.vertiv.comHQ: Westerville, SC, United StatesReported employees: 201-500 | Westerville, SC, United States | 201-500 | Exact match | 270 contacts → |
“In business since 1971, Electrical Reliability Services, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Fourquest Energyfourquest.comHQ: Edmonton, TX, CanadaReported employees: 201-500 | Edmonton, TX, Canada | 201-500 | Exact match | 223 contacts → |
“FourQuest Energy is a global leader in pre-commissioning, commissioning, and pipeline services for the energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | TPItpiengineering.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 214 contacts → |
“http://tpiengineering.com/” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Hanley Calibrationhanleycalibration.comHQ: Little Island, IrelandReported employees: 201-500 | Little Island, Ireland | 201-500 | Exact match | 181 contacts → |
“Hanley Calibration was established in 1992 to provide Calibration and Commissioning services to the Pharmaceutical, Biotechnology and Medical Device industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Rubicon Technical Services - RTSrubicontechservices.comHQ: Kennesaw, NJ, United StatesReported employees: 51-200 | Kennesaw, NJ, United States | 51-200 | Exact match | 176 contacts → |
“Rubicon Technical Services (RTS) offers innovative solutions for commissioning, testing, optimizing, operating, and maintaining critical facilities that depend on electrical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Global Commissioningglobal-cxm.comHQ: Whitstable, United KingdomReported employees: 51-200 | Whitstable, United Kingdom | 51-200 | Exact match | 170 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: IndiaReported employees: 501-1,000 | India | 501-1,000 | Exact match | 165 contacts → |
“In Power Plants, Chemical / Petro Chemical Industries and in the Prestigious Projects of Department of Space and Atomic Energy across the country you will find the CHEMIN TEAM…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Sted Co. LTDstedltd.comHQ: Al Sahafa, Saudi ArabiaReported employees: 51-200 | Al Sahafa, Saudi Arabia | 51-200 | Exact match | 160 contacts → |
“STED - Third Party Testing and Commissioning Management for MEP and ELV Systems Location: Saudi Arabia | Serving: Government and Projects of All Scales STED is a dedicated…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Burgess Construction Consultants, INCburgess-inc.comHQ: Fairview, CO, United StatesReported employees: 201-500 | Fairview, CO, United States | 201-500 | Exact match | 156 contacts → |
“Since 1986, Burgess Construction Consultants, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Hood Patterson & Dewarhoodpd.comHQ: Norcross, GA, United StatesReported employees: 51-200 | Norcross, GA, United States | 51-200 | Exact match | 150 contacts → |
“Hood Patterson & Dewar (HP & D) is a customer-driven, employee-owned collaborative team of engineers, technicians, and service professionals, offering: • Electrical and mechanical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  TAB Egypttab.com.egHQ: Cairo, EgyptReported employees: 201-500 | Cairo, Egypt | 201-500 | Exact match | 147 contacts → |
“Since its establishment in 1998, The Engineering Company for Testing and Balancing Services, TAB, goal was to become the real representation of its slogan, “A Professional…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Engineered AIR Balanceeabcoinc.comHQ: Richardson, TX, United StatesReported employees: 51-200 | Richardson, TX, United States | 51-200 | Exact match | 135 contacts → |
“Engineered Air Balance is the leading authority in total system balancing, building commissioning, and critical environment certifications at the forefront of industry standards…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  SYGNAsygna.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 135 contacts → |
“Sygna is a company delivering commissioning management and technical services across the built environment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Technical Diagnostic Servicestdssolutions.comHQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 106 contacts → |
“For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Jedi Internationaljedi-me.comHQ: Doha, QatarReported employees: 201-500 | Doha, Qatar | 201-500 | Exact match | 102 contacts → |
“As a distinguished Qualified TAB & MEP Testing and Commissioning Firm, we take pride in our team of highly certified supervisors and technicians, boasting a total of 30 individual…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Henderson Building Solutionshendersonbuilding.comHQ: Lenexa, KS, United StatesReported employees: 11-50 | Lenexa, KS, United States | 11-50 | Exact match | 100 contacts → |
“Henderson Building Solutions is a general contractor and commissioning services firm that provides a seamless bridge between design, construction, and ongoing maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Electrical Engineering & Service Co., INCeescousa.comHQ: Holbrook, MA, United StatesReported employees: Not recorded | Holbrook, MA, United States | Not recorded | Exact match | 95 contacts → |
“Specialists in Electrical Power Systems - Testing, Commissioning, Maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,101 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Commissioning and testing firms: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,095 records in the displayed employee bands.
6 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,101 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Commissioning and testing firms by location
6 lists · largest firstEvery Commissioning and testing firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Commissioning and testing firms based in the United States285
- Commissioning and testing firms based in the United Kingdom106
- Commissioning and testing firms based in Canada46
- Commissioning and testing firms based in Australia43
- Commissioning and testing firms based in Brazil38
- Commissioning and testing firms based in the United Arab Emirates29
Questions about this company list
What does Exact match mean for commissioning and testing firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many commissioning and testing firms did RevenueBase find worldwide?
The saved snapshot records 1,101 matching company records, 17,920 tracked contacts and 4,227 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 commissioning and testing firms worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/commissioning-and-testing-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 commissioning and testing firms worldwide
RevenueBase records 1,101 matching company records for commissioning and testing firms worldwide, with 17,920 tracked contacts and 4,227 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 commissioning and testing firms worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Dornandornangroup.com HQ: Cork, IrelandReported employees: 501-1,000 | Cork, Ireland | 501-1,000 | Exact match | 1,312 contacts → |
“Dornan Engineering concentrates on a market where quality is appreciated.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Electric Power Systemsvoltyx.com HQ: Maryland Heights, MI, United StatesReported employees: 501-1,000 | Maryland Heights, MI, United States | 501-1,000 | Exact match | 678 contacts → |
“Electric Power Systems is an independent electrical testing & engineering organization.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | CSI Globalcsicx.com HQ: Dubai, United Arab EmiratesReported employees: 501-1,000 | Dubai, United Arab Emirates | 501-1,000 | Exact match | 475 contacts → |
“CSI Engineering serves as an engineering-led construction management partner for complex building projects, coordinating design consultants, contractors, and specialist trades…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Bureau Veritas Primary Integrationprimaryintegration.com HQ: Mclean, VA, United StatesReported employees: 201-500 | Mclean, VA, United States | 201-500 | Exact match | 411 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Commtech Asiacommtechasia.com HQ: Tokyo, Hong KongReported employees: 201-500 | Tokyo, Hong Kong | 201-500 | Exact match | 398 contacts → |
“Commtech Asia is a market-leading, independent building commissioning consultant.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Evolution Engineering Services - EESees-int.com HQ: Riyadh, Saudi ArabiaReported employees: 201-500 | Riyadh, Saudi Arabia | 201-500 | Exact match | 330 contacts → |
“Founded to meet the needs for professional engineering services for its clients and to advance the quality of the constructed environment, EES is a licensed and certified firm…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Contraco W.L.Lcontraco.com.qa HQ: Doha, QatarReported employees: 5,001-10,000 | Doha, Qatar | 5,001-10,000 | Exact match | 316 contacts → |
“Contraco was established in 1964, in the field of Construction and Trading in the State of Qatar.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Phasor Engineering INCphasorengineering.ca HQ: Calgary, AB, CanadaReported employees: 201-500 | Calgary, AB, Canada | 201-500 | Exact match | 291 contacts → |
“Phasor Engineering Inc, a Quanta Services company, provides engineering, design, testing, commissioning, and field technical services for utility, transmission, distribution, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Electrical Reliability Services, INCers.vertiv.com HQ: Westerville, SC, United StatesReported employees: 201-500 | Westerville, SC, United States | 201-500 | Exact match | 270 contacts → |
“In business since 1971, Electrical Reliability Services, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Fourquest Energyfourquest.com HQ: Edmonton, TX, CanadaReported employees: 201-500 | Edmonton, TX, Canada | 201-500 | Exact match | 223 contacts → |
“FourQuest Energy is a global leader in pre-commissioning, commissioning, and pipeline services for the energy industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | TPItpiengineering.com HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 214 contacts → |
“http://tpiengineering.com/” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hanley Calibrationhanleycalibration.com HQ: Little Island, IrelandReported employees: 201-500 | Little Island, Ireland | 201-500 | Exact match | 181 contacts → |
“Hanley Calibration was established in 1992 to provide Calibration and Commissioning services to the Pharmaceutical, Biotechnology and Medical Device industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Rubicon Technical Services - RTSrubicontechservices.com HQ: Kennesaw, NJ, United StatesReported employees: 51-200 | Kennesaw, NJ, United States | 51-200 | Exact match | 176 contacts → |
“Rubicon Technical Services (RTS) offers innovative solutions for commissioning, testing, optimizing, operating, and maintaining critical facilities that depend on electrical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Global Commissioningglobal-cxm.com HQ: Whitstable, United KingdomReported employees: 51-200 | Whitstable, United Kingdom | 51-200 | Exact match | 170 contacts → |
“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…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: IndiaReported employees: 501-1,000 | India | 501-1,000 | Exact match | 165 contacts → |
“In Power Plants, Chemical / Petro Chemical Industries and in the Prestigious Projects of Department of Space and Atomic Energy across the country you will find the CHEMIN TEAM…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Sted Co. LTDstedltd.com HQ: Al Sahafa, Saudi ArabiaReported employees: 51-200 | Al Sahafa, Saudi Arabia | 51-200 | Exact match | 160 contacts → |
“STED - Third Party Testing and Commissioning Management for MEP and ELV Systems Location: Saudi Arabia | Serving: Government and Projects of All Scales STED is a dedicated…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Burgess Construction Consultants, INCburgess-inc.com HQ: Fairview, CO, United StatesReported employees: 201-500 | Fairview, CO, United States | 201-500 | Exact match | 156 contacts → |
“Since 1986, Burgess Construction Consultants, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Hood Patterson & Dewarhoodpd.com HQ: Norcross, GA, United StatesReported employees: 51-200 | Norcross, GA, United States | 51-200 | Exact match | 150 contacts → |
“Hood Patterson & Dewar (HP & D) is a customer-driven, employee-owned collaborative team of engineers, technicians, and service professionals, offering: • Electrical and mechanical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | TAB Egypttab.com.eg HQ: Cairo, EgyptReported employees: 201-500 | Cairo, Egypt | 201-500 | Exact match | 147 contacts → |
“Since its establishment in 1998, The Engineering Company for Testing and Balancing Services, TAB, goal was to become the real representation of its slogan, “A Professional…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Engineered AIR Balanceeabcoinc.com HQ: Richardson, TX, United StatesReported employees: 51-200 | Richardson, TX, United States | 51-200 | Exact match | 135 contacts → |
“Engineered Air Balance is the leading authority in total system balancing, building commissioning, and critical environment certifications at the forefront of industry standards…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | SYGNAsygna.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 135 contacts → |
“Sygna is a company delivering commissioning management and technical services across the built environment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Technical Diagnostic Servicestdssolutions.com HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 106 contacts → |
“For over 25 years, Sentinel-TDS, based in Dallas/Ft.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Jedi Internationaljedi-me.com HQ: Doha, QatarReported employees: 201-500 | Doha, Qatar | 201-500 | Exact match | 102 contacts → |
“As a distinguished Qualified TAB & MEP Testing and Commissioning Firm, we take pride in our team of highly certified supervisors and technicians, boasting a total of 30 individual…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Henderson Building Solutionshendersonbuilding.com HQ: Lenexa, KS, United StatesReported employees: 11-50 | Lenexa, KS, United States | 11-50 | Exact match | 100 contacts → |
“Henderson Building Solutions is a general contractor and commissioning services firm that provides a seamless bridge between design, construction, and ongoing maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Electrical Engineering & Service Co., INCeescousa.com HQ: Holbrook, MA, United StatesReported employees: Not recorded | Holbrook, MA, United States | Not recorded | Exact match | 95 contacts → |
“Specialists in Electrical Power Systems - Testing, Commissioning, Maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,101 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Commissioning and testing firms: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,095 records in the displayed employee bands.
6 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,101 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Commissioning and testing firms by location
6 lists · largest firstEvery Commissioning and testing firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Commissioning and testing firms based in the United States285
- Commissioning and testing firms based in the United Kingdom106
- Commissioning and testing firms based in Canada46
- Commissioning and testing firms based in Australia43
- Commissioning and testing firms based in Brazil38
- Commissioning and testing firms based in the United Arab Emirates29
Questions about this company list
What does Exact match mean for commissioning and testing firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many commissioning and testing firms did RevenueBase find worldwide?
The saved snapshot records 1,101 matching company records, 17,920 tracked contacts and 4,227 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 commissioning and testing firms worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/commissioning-and-testing-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗