Company lists · Data refreshed October 2026
Top 25 Geothermal contractors based in South Africa
RevenueBase identified 146 company matches for geothermal contractors associated with South Africa as of October 2026 and tracks 1,065 professional contacts across them, including 238 with verified work emails. Johannesburg is the largest hub.
This list covers company matches for geothermal contractors associated with South Africa, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 13, 2026.
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 geothermal contractors based in South Africa
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 143 contacts → | ||||
Exact match “Design and Development of Refractory Materials • Demolition • Maintenance and Repair of Refractories Corrosion Engineering Solutions • Materials and Maintenance Lagging and…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 2 | 104 contacts → | ||||
Exact match “Advent One Group (Pty) Ltd provides customer focused construction services and was founded by a team of knowledgeable individuals with over 142 years' combined industry experience…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 3 | 83 contacts → | ||||
Exact match “GVJ Electrical and Instrumentation Contractors (Pty) are electrical contractors and specialize in electrical reticulation for industrial and commercial projects.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 4 | 65 contacts → | ||||
Exact match “Founded in Valley Electrical Contractors has, and continues to strive for excellence in all of the work that we do; whether it be Commercial, Industrial or Residential.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 5 | 39 contacts → | ||||
Exact match “Franki is the oldest and most established specialist geotechnical contractor in Sub-Saharan Africa.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 6 | 31 contacts → | ||||
Exact match “GEOSS, established on 1 March 2001, specializes in all aspects of hydrogeology, including: • Groundwater exploration (borehole siting, drilling supervision with logging, pumping…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 7 | 24 contacts → | ||||
Exact match “Vortex Pipe Works, with our skilled and dedicated staff, offer a multitude of skills to our client.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 8 | 23 contacts → | ||||
Exact match “Rafuni offers Geotechnical, Geological and Environmental Consulting Services.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 9 | 19 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 10 | 19 contacts → | ||||
Exact match “GPWG Engineering is a multi-disciplinary Engineering Company with interests in Contracting activities (Civil, Electrical, Instrumentation, Solar and Mechanical) in the Mining…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 11 | 13 contacts → | ||||
Exact match “STIEBEL ELTRON, founded in 1924, is one of the leading companies in the market for building services and renewable energies.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 12 | 11 contacts → | ||||
Exact match “Our core business is the provision of cost-effective energy solutions tailor-made to meet the specific needs of each of our clients.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match “At Greenbro South Africa, we specialize in the design, supply, and installation of cutting-edge mechanical plantroom solutions for domestic, commercial and industrial applications.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 14 | 11 contacts → | ||||
Exact match “Tricom Africa is a dynamic and dedicated company in mechanical, electrical and instrumentation engineering, especially with regard to pumps, purification and processing of water…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 15 | 10 contacts → | ||||
Exact match “Fairbrother Geotechnical Engineering is a leading South African geotechnical contractor delivering specialised ground engineering solutions to infrastructure, energy, commercial…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 16 | 10 contacts → | ||||
Exact match “At EESCO we are primarily focused on the supply and installation of our locally manufactured heat pumps.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match “Total Comfort (cc) was registered in May 1998 and re-registered in April 2004 as Total Comfort (Pty) Ltd.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 18 | 8 contacts → | ||||
Exact match “Airclima (Pty) Ltd is an industry-leading air conditioning contractor with 29 years of expertise.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 19 | 8 contacts → | ||||
Exact match “Established in 1987, Solar Heat exchangers specialized in Solar Hot Water system manufacturing and installations.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 20 | 6 contacts → | ||||
Exact match “Turnkey electrical and instrumentation engineering.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match “Engineeric Solutions is an engineering company supplying the industrial and manufacturing sectors with a wide range of burners, gas trains, boilers, industrial heater…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “Your Trusted Contractor for the design, build and installation of water features, swimming pools, boreholes, irrigation and filtration systems.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “ELECTRICAL SYSTEMS INTEGRATION is a company based out of DIAMOND PARK UNIT 14 92 JAKARANDA STREET, CENTURION, Gauteng, South Africa.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “SA Heating and Cooling provides integrated, engineered, energy efficient climate control solutions to ensure your building's efficiency is optimised.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “In 1998, three qualified technicians consisting of a Mechanical Engineer, AutoCAD draftsman and irrigation designer started working in the U.K.” Recorded in the RevenueBase company graph · Oct 13, 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 “geothermal contractors”. 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 146 geothermal contractors based in South Africa
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Geothermal contractors based in South Africa at a glance
As of Oct 13, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 146 companies.
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.
- What qualifies
- Company records associated with South Africa whose business descriptions match “geothermal contractors” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 238 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 13, 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.
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 “geothermal contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many geothermal contractors are there based in South Africa?
RevenueBase identified 146 company matches for geothermal contractors associated with South Africa as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Refraline Group Of Companies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most geothermal contractors?
Johannesburg leads with 24 company records, followed by Cape Town (10) and Pretoria (7).
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 238 professional contacts with verified work emails tracked across these 146 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 13, 2026.
Ready to reach these companies? Verified emails and direct dials for all 146 geothermal contractors based in South Africa. Start with a free account, no credit card.
Download this list →Related lists
Geothermal contractors by geography
- Geothermal contractors based in Burnaby, Canada
- Geothermal contractors based in Calgary, Canada
- Geothermal contractors based in Toronto, Canada
- Geothermal contractors based in Auckland, New Zealand
- Geothermal contractors based in Dubai, United Arab Emirates
- Geothermal contractors based in London, United Kingdom
- Geothermal contractors based in Albuquerque, United States
- Geothermal contractors based in Charlotte, United States
- Geothermal contractors based in Chicago, United States
- Geothermal contractors based in Denver, United States
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- Geothermal contractors based in Indianapolis, United States
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Geothermal contractors based in Burnaby, Canada
- Geothermal contractors based in Calgary, Canada
- Geothermal contractors based in Toronto, Canada
- Geothermal contractors based in Auckland, New Zealand
- Geothermal contractors based in Dubai, United Arab Emirates
- Geothermal contractors based in London, United Kingdom
Company intelligence · public preview
Top 25 geothermal contractors based in South Africa
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 146 matching company records for geothermal contractors based in South Africa, with 1,065 tracked contacts and 238 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: October 13, 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 geothermal contractors based in South Africa
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 | Refraline Group Of Companiesrefraline.com HQ: Ekurhuleni, South AfricaReported employees: 201-500 | Ekurhuleni, South Africa | 201-500 | Exact match | 143 contacts → |
“Design and Development of Refractory Materials • Demolition • Maintenance and Repair of Refractories Corrosion Engineering Solutions • Materials and Maintenance Lagging and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Advent ONE Groupadventone.co.zaHQ: Springs, South AfricaReported employees: 501-1,000 | Springs, South Africa | 501-1,000 | Exact match | 104 contacts → |
“Advent One Group (Pty) Ltd provides customer focused construction services and was founded by a team of knowledgeable individuals with over 142 years' combined industry experience…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Cape Town, South AfricaReported employees: 51-200 | Cape Town, South Africa | 51-200 | Exact match | 83 contacts → |
“GVJ Electrical and Instrumentation Contractors (Pty) are electrical contractors and specialize in electrical reticulation for industrial and commercial projects.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Valley Electrical Contractors PTY LTDvalleyelectrical.co.zaHQ: Cape Town, South AfricaReported employees: 201-500 | Cape Town, South Africa | 201-500 | Exact match | 65 contacts → |
“Founded in Valley Electrical Contractors has, and continues to strive for excellence in all of the work that we do; whether it be Commercial, Industrial or Residential.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Franki Africa PTY LTDfranki.co.zaHQ: Ottery, South AfricaReported employees: 51-200 | Ottery, South Africa | 51-200 | Exact match | 39 contacts → |
“Franki is the oldest and most established specialist geotechnical contractor in Sub-Saharan Africa.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Geoss South Africageoss.co.zaHQ: Stellenbosch, South AfricaReported employees: 11-50 | Stellenbosch, South Africa | 11-50 | Exact match | 31 contacts → |
“GEOSS, established on 1 March 2001, specializes in all aspects of hydrogeology, including: • Groundwater exploration (borehole siting, drilling supervision with logging, pumping…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Vortex Pipe Works PTY LTDvortexpipeworks.co.za HQ: Maitland, South AfricaReported employees: 201-500 | Maitland, South Africa | 201-500 | Exact match | 24 contacts → |
“Vortex Pipe Works, with our skilled and dedicated staff, offer a multitude of skills to our client.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Rafuni PTY LTDrafuni.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 23 contacts → |
“Rafuni offers Geotechnical, Geological and Environmental Consulting Services.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Enviroware Constructionenviroware.co.za HQ: Midrand, South AfricaReported employees: 51-200 | Midrand, South Africa | 51-200 | Exact match | 19 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  Gpwg Engineeringgpwg.co.zaHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 19 contacts → |
“GPWG Engineering is a multi-disciplinary Engineering Company with interests in Contracting activities (Civil, Electrical, Instrumentation, Solar and Mechanical) in the Mining…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Stiebel Eltron Southern Africastiebel-eltron.co.zaHQ: Johannesburg, South AfricaReported employees: 1,001-5,000 | Johannesburg, South Africa | 1,001-5,000 | Exact match | 13 contacts → |
“STIEBEL ELTRON, founded in 1924, is one of the leading companies in the market for building services and renewable energies.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | GA Solutionsgasolutions.co.za HQ: Boksburg, South AfricaReported employees: 11-50 | Boksburg, South Africa | 11-50 | Exact match | 11 contacts → |
“Our core business is the provision of cost-effective energy solutions tailor-made to meet the specific needs of each of our clients.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Greenbro South Africa PTY LTDgreenbro.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 11 contacts → |
“At Greenbro South Africa, we specialize in the design, supply, and installation of cutting-edge mechanical plantroom solutions for domestic, commercial and industrial applications.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Tricom Africatricomafrica.co.za HQ: Bellville, South AfricaReported employees: 11-50 | Bellville, South Africa | 11-50 | Exact match | 11 contacts → |
“Tricom Africa is a dynamic and dedicated company in mechanical, electrical and instrumentation engineering, especially with regard to pumps, purification and processing of water…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Fairbrother Geotechnical Engineeringfairbrother.co.zaHQ: Cape Town, South AfricaReported employees: 51-200 | Cape Town, South Africa | 51-200 | Exact match | 10 contacts → |
“Fairbrother Geotechnical Engineering is a leading South African geotechnical contractor delivering specialised ground engineering solutions to infrastructure, energy, commercial…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Eesco Heat Pumpseesco.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 10 contacts → |
“At EESCO we are primarily focused on the supply and installation of our locally manufactured heat pumps.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Total Comfort AIR Conditioningtotalcomfort.co.zaHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 9 contacts → |
“Total Comfort (cc) was registered in May 1998 and re-registered in April 2004 as Total Comfort (Pty) Ltd.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Airclimaairclima.co.zaHQ: Pretoria, South AfricaReported employees: 51-200 | Pretoria, South Africa | 51-200 | Exact match | 8 contacts → |
“Airclima (Pty) Ltd is an industry-leading air conditioning contractor with 29 years of expertise.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Solar Heat Exchangers PTY LTDsolarheat.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 8 contacts → |
“Established in 1987, Solar Heat exchangers specialized in Solar Hot Water system manufacturing and installations.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | LE Roux, Bouttell And Associates PTY LTDlbaa.co.za HQ: Bryanston, South AfricaReported employees: 11-50 | Bryanston, South Africa | 11-50 | Exact match | 6 contacts → |
“Turnkey electrical and instrumentation engineering.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Engineeric Solutions PTY LTDengineeric.co.za HQ: Boksburg, South AfricaReported employees: 11-50 | Boksburg, South Africa | 11-50 | Exact match | 5 contacts → |
“Engineeric Solutions is an engineering company supplying the industrial and manufacturing sectors with a wide range of burners, gas trains, boilers, industrial heater…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Elyte-Chemelyte.co.za HQ: City Of Tshwane, South AfricaReported employees: 11-50 | City Of Tshwane, South Africa | 11-50 | Exact match | 4 contacts → |
“Your Trusted Contractor for the design, build and installation of water features, swimming pools, boreholes, irrigation and filtration systems.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Electrical Systems Integrationesi.co.za HQ: Centurion, South AfricaReported employees: 11-50 | Centurion, South Africa | 11-50 | Exact match | 4 contacts → |
“ELECTRICAL SYSTEMS INTEGRATION is a company based out of DIAMOND PARK UNIT 14 92 JAKARANDA STREET, CENTURION, Gauteng, South Africa.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  SA Heating & Coolingsahc.co.zaHQ: Halway House, South AfricaReported employees: 11-50 | Halway House, South Africa | 11-50 | Exact match | 3 contacts → |
“SA Heating and Cooling provides integrated, engineered, energy efficient climate control solutions to ensure your building's efficiency is optimised.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Capeflowcapeflow.co.za HQ: Strand, South AfricaReported employees: 11-50 | Strand, South Africa | 11-50 | Exact match | 3 contacts → |
“In 1998, three qualified technicians consisting of a Mechanical Engineer, AutoCAD draftsman and irrigation designer started working in the U.K.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 146 company matches
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Geothermal contractors: dataset insights
October 13, 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
146 records in the displayed employee bands.
0 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 worldwide rather than for South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 146 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: October 13, 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 ↗
Questions about this company list
What does Exact match mean for geothermal contractors?
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 geothermal contractors did RevenueBase find based in South Africa?
The saved snapshot records 146 matching company records, 1,065 tracked contacts and 238 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: October 13, 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
Geothermal contractors by geography
- Geothermal contractors based in Burnaby, Canada
- Geothermal contractors based in Calgary, Canada
- Geothermal contractors based in Toronto, Canada
- Geothermal contractors based in Auckland, New Zealand
- Geothermal contractors based in Dubai, United Arab Emirates
- Geothermal contractors based in London, United Kingdom
- Geothermal contractors based in Albuquerque, United States
- Geothermal contractors based in Charlotte, United States
- Geothermal contractors based in Chicago, United States
- Geothermal contractors based in Denver, United States
- Geothermal contractors based in Houston, United States
- Geothermal contractors based in Indianapolis, United States
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 geothermal contractors based in South Africa. Snapshot: October 13, 2026. https://revenuebase.ai/companies/geothermal-contractors/south-africa.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Geothermal contractors based in Burnaby, Canada
- Geothermal contractors based in Calgary, Canada
- Geothermal contractors based in Toronto, Canada
- Geothermal contractors based in Auckland, New Zealand
- Geothermal contractors based in Dubai, United Arab Emirates
- Geothermal contractors based in London, United Kingdom
Company intelligence · public preview
Top 25 geothermal contractors based in South Africa
RevenueBase records 146 matching company records for geothermal contractors based in South Africa, with 1,065 tracked contacts and 238 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: October 13, 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 geothermal contractors based in South Africa
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 | Refraline Group Of Companiesrefraline.com HQ: Ekurhuleni, South AfricaReported employees: 201-500 | Ekurhuleni, South Africa | 201-500 | Exact match | 143 contacts → |
“Design and Development of Refractory Materials • Demolition • Maintenance and Repair of Refractories Corrosion Engineering Solutions • Materials and Maintenance Lagging and…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Advent ONE Groupadventone.co.za HQ: Springs, South AfricaReported employees: 501-1,000 | Springs, South Africa | 501-1,000 | Exact match | 104 contacts → |
“Advent One Group (Pty) Ltd provides customer focused construction services and was founded by a team of knowledgeable individuals with over 142 years' combined industry experience…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Cape Town, South AfricaReported employees: 51-200 | Cape Town, South Africa | 51-200 | Exact match | 83 contacts → |
“GVJ Electrical and Instrumentation Contractors (Pty) are electrical contractors and specialize in electrical reticulation for industrial and commercial projects.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Valley Electrical Contractors PTY LTDvalleyelectrical.co.za HQ: Cape Town, South AfricaReported employees: 201-500 | Cape Town, South Africa | 201-500 | Exact match | 65 contacts → |
“Founded in Valley Electrical Contractors has, and continues to strive for excellence in all of the work that we do; whether it be Commercial, Industrial or Residential.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Franki Africa PTY LTDfranki.co.za HQ: Ottery, South AfricaReported employees: 51-200 | Ottery, South Africa | 51-200 | Exact match | 39 contacts → |
“Franki is the oldest and most established specialist geotechnical contractor in Sub-Saharan Africa.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Geoss South Africageoss.co.za HQ: Stellenbosch, South AfricaReported employees: 11-50 | Stellenbosch, South Africa | 11-50 | Exact match | 31 contacts → |
“GEOSS, established on 1 March 2001, specializes in all aspects of hydrogeology, including: • Groundwater exploration (borehole siting, drilling supervision with logging, pumping…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Vortex Pipe Works PTY LTDvortexpipeworks.co.za HQ: Maitland, South AfricaReported employees: 201-500 | Maitland, South Africa | 201-500 | Exact match | 24 contacts → |
“Vortex Pipe Works, with our skilled and dedicated staff, offer a multitude of skills to our client.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Rafuni PTY LTDrafuni.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 23 contacts → |
“Rafuni offers Geotechnical, Geological and Environmental Consulting Services.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Enviroware Constructionenviroware.co.za HQ: Midrand, South AfricaReported employees: 51-200 | Midrand, South Africa | 51-200 | Exact match | 19 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Gpwg Engineeringgpwg.co.za HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 19 contacts → |
“GPWG Engineering is a multi-disciplinary Engineering Company with interests in Contracting activities (Civil, Electrical, Instrumentation, Solar and Mechanical) in the Mining…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Stiebel Eltron Southern Africastiebel-eltron.co.za HQ: Johannesburg, South AfricaReported employees: 1,001-5,000 | Johannesburg, South Africa | 1,001-5,000 | Exact match | 13 contacts → |
“STIEBEL ELTRON, founded in 1924, is one of the leading companies in the market for building services and renewable energies.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | GA Solutionsgasolutions.co.za HQ: Boksburg, South AfricaReported employees: 11-50 | Boksburg, South Africa | 11-50 | Exact match | 11 contacts → |
“Our core business is the provision of cost-effective energy solutions tailor-made to meet the specific needs of each of our clients.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Greenbro South Africa PTY LTDgreenbro.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 11 contacts → |
“At Greenbro South Africa, we specialize in the design, supply, and installation of cutting-edge mechanical plantroom solutions for domestic, commercial and industrial applications.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Tricom Africatricomafrica.co.za HQ: Bellville, South AfricaReported employees: 11-50 | Bellville, South Africa | 11-50 | Exact match | 11 contacts → |
“Tricom Africa is a dynamic and dedicated company in mechanical, electrical and instrumentation engineering, especially with regard to pumps, purification and processing of water…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Fairbrother Geotechnical Engineeringfairbrother.co.za HQ: Cape Town, South AfricaReported employees: 51-200 | Cape Town, South Africa | 51-200 | Exact match | 10 contacts → |
“Fairbrother Geotechnical Engineering is a leading South African geotechnical contractor delivering specialised ground engineering solutions to infrastructure, energy, commercial…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Eesco Heat Pumpseesco.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 10 contacts → |
“At EESCO we are primarily focused on the supply and installation of our locally manufactured heat pumps.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Total Comfort AIR Conditioningtotalcomfort.co.za HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 9 contacts → |
“Total Comfort (cc) was registered in May 1998 and re-registered in April 2004 as Total Comfort (Pty) Ltd.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Airclimaairclima.co.za HQ: Pretoria, South AfricaReported employees: 51-200 | Pretoria, South Africa | 51-200 | Exact match | 8 contacts → |
“Airclima (Pty) Ltd is an industry-leading air conditioning contractor with 29 years of expertise.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Solar Heat Exchangers PTY LTDsolarheat.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 8 contacts → |
“Established in 1987, Solar Heat exchangers specialized in Solar Hot Water system manufacturing and installations.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | LE Roux, Bouttell And Associates PTY LTDlbaa.co.za HQ: Bryanston, South AfricaReported employees: 11-50 | Bryanston, South Africa | 11-50 | Exact match | 6 contacts → |
“Turnkey electrical and instrumentation engineering.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Engineeric Solutions PTY LTDengineeric.co.za HQ: Boksburg, South AfricaReported employees: 11-50 | Boksburg, South Africa | 11-50 | Exact match | 5 contacts → |
“Engineeric Solutions is an engineering company supplying the industrial and manufacturing sectors with a wide range of burners, gas trains, boilers, industrial heater…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Elyte-Chemelyte.co.za HQ: City Of Tshwane, South AfricaReported employees: 11-50 | City Of Tshwane, South Africa | 11-50 | Exact match | 4 contacts → |
“Your Trusted Contractor for the design, build and installation of water features, swimming pools, boreholes, irrigation and filtration systems.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Electrical Systems Integrationesi.co.za HQ: Centurion, South AfricaReported employees: 11-50 | Centurion, South Africa | 11-50 | Exact match | 4 contacts → |
“ELECTRICAL SYSTEMS INTEGRATION is a company based out of DIAMOND PARK UNIT 14 92 JAKARANDA STREET, CENTURION, Gauteng, South Africa.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | SA Heating & Coolingsahc.co.za HQ: Halway House, South AfricaReported employees: 11-50 | Halway House, South Africa | 11-50 | Exact match | 3 contacts → |
“SA Heating and Cooling provides integrated, engineered, energy efficient climate control solutions to ensure your building's efficiency is optimised.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Capeflowcapeflow.co.za HQ: Strand, South AfricaReported employees: 11-50 | Strand, South Africa | 11-50 | Exact match | 3 contacts → |
“In 1998, three qualified technicians consisting of a Mechanical Engineer, AutoCAD draftsman and irrigation designer started working in the U.K.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 146 company matches
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Geothermal contractors: dataset insights
October 13, 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
146 records in the displayed employee bands.
0 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 worldwide rather than for South Africa, so it is reported there. Company counts and contact totals on this page are exact for South Africa, over 146 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: October 13, 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 ↗
Questions about this company list
What does Exact match mean for geothermal contractors?
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 geothermal contractors did RevenueBase find based in South Africa?
The saved snapshot records 146 matching company records, 1,065 tracked contacts and 238 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: October 13, 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.
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Cite this list
RevenueBase Data Team. Top 25 geothermal contractors based in South Africa. Snapshot: October 13, 2026. https://revenuebase.ai/companies/geothermal-contractors/south-africa.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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