Company lists · Data refreshed November 2026

Top 25 Licensed gas fitters worldwide

RevenueBase identified 801 company matches for licensed gas fitters worldwide as of November 2026 and tracks 2,879 professional contacts across them, including 320 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for licensed gas fitters 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 licensed gas fitters 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
801Companies
2,879Contacts tracked
320Verified emails
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The 25 largest licensed gas fitters worldwide

Ranked by team size
Top 25 of 801 company matches for licensed gas fitters 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 matchSão Paulo, BrazilHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“A Conexão através de um processo que envolve conhecimento, eficiência e alto grau de profissionalismo, vem se consolidando no mercado há mais de 20 anos oferecendo, atendimento…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchOcean Reef, AustraliaHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“We are committed to delivering quality advice, workmanship and exceeding client expectations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchPinkenba, AustraliaHQ recorded Nov 6, 202651-20024 contacts →

Exact match

“Delivering a professional, reliable and quality service within the gas industry." We are a leading Queensland supplier of gas related services to commercial and domestic customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCréteil, FranceHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Depuis plus de 30 ans, nous intervenons à Créteil et dans le Val-de-Marne (94) dans l'installation, l'entretien et le dépannage des équipements de chauffage gaz.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLeicester, United KingdomHQ recorded Nov 6, 202651-20018 contacts →

Exact match

“At UK GS we are your trusted home service partner.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchUnited StatesHQ recorded Nov 6, 20261-1015 contacts →

Exact match

“All plumbing, heating, gas fitting needs”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBoulder, CO, United StatesHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Serving Boulder & Weld to Jefferson & Adams Counties for all things plumbing, water, sewer, & gas related Since 1997 5 Star Gold Award Winner 2003-2013.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchCanadaHQ recorded Nov 6, 202611-5013 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSingaporeHQ recorded Nov 6, 202651-20012 contacts →

Exact match

“Algas Engineering Pte Ltd is a registered contractor with the Building and Construction Authority (BCA) in work head ME12 (Plumbing and Sanitary Works).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHastings, New ZealandHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“When quality plumbing work matters, talk to us first!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSan Ramon, CA, United StatesHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“MBS - Masters Of Our Craft MBS Engineering has the experience, knowledge and skills to become your go-to company for all natural gas-related needs, including gas leak detection…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSarasota, FL, United StatesHQ recorded Nov 6, 202611-5011 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchUnion, NH, United StatesHQ recorded Nov 6, 202611-5011 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchChristchurch, New ZealandHQ recorded Nov 6, 202651-20010 contacts →

Exact match

“Whether you require general plumbing, hot water systems, home heating, gas fitting, drainlaying or electrical services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLeicester, United KingdomHQ recorded Nov 6, 202651-20010 contacts →

Exact match

“William Freer LTD provides you with expert and extensive solutions to your Installation, servicing, repair and maintenance needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchQuébec, QC, CanadaHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Entreprise de plomberie, électricité, chauffage, climatisation et gaz à Québec, LOGIC réunit tous les experts certifiés dont vous avez besoin sous un même toit.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSpainHQ recorded Nov 6, 20261-1010 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchDunedin, New ZealandHQ recorded Nov 6, 202651-2009 contacts →

Exact match

“Electrical, plumbing or drainage problems?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSanta Cruz, CA, United StatesHQ recorded Nov 6, 202651-2009 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchIquique, ChileHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Realizamos instalaciones de tendido de gas, tanto comercial como residencial.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNorth Vancouver, BC, CanadaHQ recorded Nov 6, 202611-509 contacts →

Exact match

“R&B Plumbing is your one-stop shop when it comes to handling all of your plumbing, heating, cooling, air quality, and gas fitting needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchIrvine, United KingdomHQ recorded Nov 6, 20261-109 contacts →

Exact match

“AGW is a leading gas engineering company specialising in the design, installation, maintenance, and servicing of gas infrastructure and appliances for both domestic and commercial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNewry, United KingdomHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Established in 1966 as a domestic and commercial gas Centre selling bottled gas and domestic gas appliances, E.B.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCanton, GA, United StatesHQ recorded Nov 6, 202611-508 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchDaisy Hill, AustraliaHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Has COVID Iso got you giving your oven a good workout too?”

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

Showing 25 of 801 licensed gas fitters worldwide

See the full list, filter by size, metro and specialty, and access 320 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Licensed gas fitters worldwide at a glance

As of Nov 6, 2026
11.1%Verified-email coverage
3.6Average contacts per company
1-10Median size (employees)
2.0%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
507
11-50
204
51-200
28
201-500
2
1,001-5,000
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 licensed gas fitters are linked below.
What qualifies
Company records worldwide whose business descriptions match “licensed gas fitters” 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 320 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.

Licensed gas fitters by location

5 lists · largest first

Every Licensed gas fitters list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “licensed gas fitters”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many licensed gas fitters are there worldwide?

RevenueBase identified 801 company matches for licensed gas fitters 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?

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

Which country has the most licensed gas fitters?

The United Kingdom leads with 171 companies, followed by Australia (112) and the United States (97). Every licensed gas fitters list by country and city is linked on this page.

Which city has the most licensed gas fitters?

London leads with 16 company records, followed by Auckland (14) 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 limited free results with 500 credits to start. Upgrading provides access to the 320 professional contacts with verified work emails tracked across these 801 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.