Company lists · Data refreshed September 2026
Top 25 Hydrogeology companies based in South Africa
RevenueBase identified 260 company matches for hydrogeology companies associated with South Africa as of September 2026 and tracks 3,235 professional contacts across them, including 1,203 with verified work emails. Johannesburg is the largest hub.
This list covers company matches for hydrogeology companies 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 September 21, 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 hydrogeology companies based in South Africa
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 358 contacts → | ||||
Exact match “Proxa is a leading water treatment specialist whose integrated services cover the entire water cycle and span numerous global industries, including: mining, food & beverage…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 228 contacts → | ||||
Exact match “Jones & Wagener is a specialist firm of consulting engineers and scientists based in South Africa.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 200 contacts → | ||||
Exact match “ROSOND provides fast, efficient, safe and cost-effective drilling and grouting services to mining and exploration industries throughout Africa.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 193 contacts → | ||||
Exact match “Knight Piésold is a global consulting firm that provides specialised services to the mining, power, water resources and infrastructure industries.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 175 contacts → | ||||
Exact match “Nafasi Water, formerly known as Aveng Water is a 100% black-owned leading water technology and water utility service company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 136 contacts → | ||||
Exact match “iX engineers is a proudly South African multi-disciplinary consulting engineering company with a focus on five key market sectors, being; Water, Energy, Transport, Development…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 110 contacts → | ||||
Exact match “The MSA Group is a leading provider of exploration, geology, mineral resource and reserve estimation, mining and environmental consulting services to the mining industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 68 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 63 contacts → | ||||
Exact match “Established in 1987, GCS (Pty) Ltd is an independent consultancy offering a range of professional services within the fields of water, environmental and earth sciences.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 63 contacts → | ||||
Exact match “GAST, founded in 1961 had its roots in the chemical industry.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 57 contacts → | ||||
Exact match “Since the company's inception in 1992, Geosure has established a formidable reputation in Southern African Geotechnics.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 54 contacts → | ||||
Exact match “Digital Surveying is a specialist Directional, Geophysical, Geotechnical & Hydrogeological logging company servicing the mining, exploration, and civil engineering industries.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 52 contacts → | ||||
Exact match “ARQ is an award winning consulting engineering firm with a reputation as being a leader in South Africa in our specialist fields of dams & hydro, geotech and bridges.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 52 contacts → | ||||
Exact match “Wireline Africa is an engineering company that focuses on supplying the local and international mining industry with products and services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 50 contacts → | ||||
Exact match “Since our inception, GPT has focused on delivering tailor-made environmental services, that go beyond the requirements.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 47 contacts → | ||||
Exact match “Open House Management Solutions is a South-African based, Geotechnical Engineering and Seismological services provider.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 44 contacts → | ||||
Exact match “Singo Consulting (Pty) Ltd is a private independent research consultancy and advisory company based in eMalahleni (Witbank), holding no equity in any project and is owned by the…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 37 contacts → | ||||
Exact match “Franki is the oldest and most established specialist geotechnical contractor in Sub-Saharan Africa.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 37 contacts → | ||||
Exact match “WRP is a proudly level 2 BB-BEE specialist engineering consultancy founded and cultivated in South Africa.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 37 contacts → | ||||
Exact match “Umvoto is an earth sciences consultancy, specializing in environmental resource development, management and sustainability.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 36 contacts → | ||||
Exact match “SGS Bateman is a global operating company in the SGS Natural Resources Division, part of the SGS Group - world-renowned for inspection, verification, testing, and certification…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 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 · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 31 contacts → | ||||
Exact match “Kimopax is a company rendering specialized services in selected earth and environmental sciences, engineering disciplines and related project management functions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 28 contacts → | ||||
Exact match “Tailings management today requires more than engineering excellence, it demands independent oversight, structured governance, and defensible risk frameworks.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 25 contacts → | ||||
Exact match “PeraGage is a Leading, Trusted and the Preferred specialist firm of geo-consultants including hydrogeologists, geotechnical engineers and engineering geologists operating…” Recorded in the RevenueBase company graph · Sep 21, 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 “hydrogeology companies”. 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 260 hydrogeology companies based in South Africa
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Hydrogeology companies based in South Africa at a glance
As of Sep 21, 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 260 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 “hydrogeology companies” 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 1,203 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 September 21, 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 “hydrogeology companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hydrogeology companies are there based in South Africa?
RevenueBase identified 260 company matches for hydrogeology companies associated with South Africa as of September 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?
Proxa Water tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most hydrogeology companies?
Johannesburg leads with 42 company records, followed by Pretoria (25) and Cape Town (17).
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 1,203 professional contacts with verified work emails tracked across these 260 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 September 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 260 hydrogeology companies based in South Africa. Start with a free account, no credit card.
Download this list →Related lists
Hydrogeology companies by geography
- Hydrogeology companies based in Brisbane, Australia
- Hydrogeology companies based in Melbourne, Australia
- Hydrogeology companies based in Perth, Australia
- Hydrogeology companies based in Sydney, Australia
- Hydrogeology companies based in Belo Horizonte, Brazil
- Hydrogeology companies based in Porto Alegre, Brazil
- Hydrogeology companies based in Rio De Janeiro, Brazil
- Hydrogeology companies based in Sao Paulo, Brazil
- Hydrogeology companies based in Calgary, Canada
- Hydrogeology companies based in Montreal, Canada
- Hydrogeology companies based in Toronto, Canada
- Hydrogeology companies based in Vancouver, Canada
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
- Hydrogeology companies based in Brisbane, Australia
- Hydrogeology companies based in Melbourne, Australia
- Hydrogeology companies based in Perth, Australia
- Hydrogeology companies based in Sydney, Australia
- Hydrogeology companies based in Belo Horizonte, Brazil
- Hydrogeology companies based in Porto Alegre, Brazil
Company intelligence · public preview
Top 25 hydrogeology companies 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 260 matching company records for hydrogeology companies based in South Africa, with 3,235 tracked contacts and 1,203 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: September 21, 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 hydrogeology companies 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 |  Proxa Waterproxawater.comHQ: Woodmead, South AfricaReported employees: 201-500 | Woodmead, South Africa | 201-500 | Exact match | 358 contacts → |
“Proxa is a leading water treatment specialist whose integrated services cover the entire water cycle and span numerous global industries, including: mining, food & beverage…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Jones & Wagener PTY LTDjonesandwagener.comHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 228 contacts → |
“Jones & Wagener is a specialist firm of consulting engineers and scientists based in South Africa.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Rosondrosond.comHQ: Johannesburg, South AfricaReported employees: 1,001-5,000 | Johannesburg, South Africa | 1,001-5,000 | Exact match | 200 contacts → |
“ROSOND provides fast, efficient, safe and cost-effective drilling and grouting services to mining and exploration industries throughout Africa.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Knight Piesold Southern Africaknightpiesold.comHQ: Sandton, South AfricaReported employees: 201-500 | Sandton, South Africa | 201-500 | Exact match | 193 contacts → |
“Knight Piésold is a global consulting firm that provides specialised services to the mining, power, water resources and infrastructure industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Nafasi Waternafasiwater.comHQ: Johannesburg, South AfricaReported employees: 201-500 | Johannesburg, South Africa | 201-500 | Exact match | 175 contacts → |
“Nafasi Water, formerly known as Aveng Water is a 100% black-owned leading water technology and water utility service company.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | IX Engineers PTY LTDixengineers.co.za HQ: City Of Tshwane, South AfricaReported employees: 201-500 | City Of Tshwane, South Africa | 201-500 | Exact match | 136 contacts → |
“iX engineers is a proudly South African multi-disciplinary consulting engineering company with a focus on five key market sectors, being; Water, Energy, Transport, Development…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  The MSA Groupmsagroupservices.comHQ: Victory Park, South AfricaReported employees: 51-200 | Victory Park, South Africa | 51-200 | Exact match | 110 contacts → |
“The MSA Group is a leading provider of exploration, geology, mineral resource and reserve estimation, mining and environmental consulting services to the mining industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Geogroupgeogroup.co.zaHQ: Sunrella, South AfricaReported employees: 201-500 | Sunrella, South Africa | 201-500 | Exact match | 68 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | HQ: Rivonia, South AfricaReported employees: 11-50 | Rivonia, South Africa | 11-50 | Exact match | 63 contacts → |
“Established in 1987, GCS (Pty) Ltd is an independent consultancy offering a range of professional services within the fields of water, environmental and earth sciences.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  GASTgastglobal.comHQ: Pretoria, South AfricaReported employees: 201-500 | Pretoria, South Africa | 201-500 | Exact match | 63 contacts → |
“GAST, founded in 1961 had its roots in the chemical industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Geosure PTY LTDgeosure.co.zaHQ: Durban, South AfricaReported employees: 51-200 | Durban, South Africa | 51-200 | Exact match | 57 contacts → |
“Since the company's inception in 1992, Geosure has established a formidable reputation in Southern African Geotechnics.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Digital Surveyingdigitalsurveying.co.zaHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 54 contacts → |
“Digital Surveying is a specialist Directional, Geophysical, Geotechnical & Hydrogeological logging company servicing the mining, exploration, and civil engineering industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  ARQ Consulting Engineers PTY LTDarq.co.zaHQ: Pretoria, South AfricaReported employees: 11-50 | Pretoria, South Africa | 11-50 | Exact match | 52 contacts → |
“ARQ is an award winning consulting engineering firm with a reputation as being a leader in South Africa in our specialist fields of dams & hydro, geotech and bridges.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Wireline Africawirelineafrica.comHQ: Mooi Nooi, South AfricaReported employees: 51-200 | Mooi Nooi, South Africa | 51-200 | Exact match | 52 contacts → |
“Wireline Africa is an engineering company that focuses on supplying the local and international mining industry with products and services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  GPTgptglobal.comHQ: Pretoria, South AfricaReported employees: 11-50 | Pretoria, South Africa | 11-50 | Exact match | 50 contacts → |
“Since our inception, GPT has focused on delivering tailor-made environmental services, that go beyond the requirements.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Open House Management Solutionsohms.co.zaHQ: Potchefstroom, South AfricaReported employees: 11-50 | Potchefstroom, South Africa | 11-50 | Exact match | 47 contacts → |
“Open House Management Solutions is a South-African based, Geotechnical Engineering and Seismological services provider.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Singo Consultingsingoconsulting.co.zaHQ: Emalahleni, South AfricaReported employees: 51-200 | Emalahleni, South Africa | 51-200 | Exact match | 44 contacts → |
“Singo Consulting (Pty) Ltd is a private independent research consultancy and advisory company based in eMalahleni (Witbank), holding no equity in any project and is owned by the…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Franki Africa PTY LTDfranki.co.zaHQ: Ottery, South AfricaReported employees: 51-200 | Ottery, South Africa | 51-200 | Exact match | 37 contacts → |
“Franki is the oldest and most established specialist geotechnical contractor in Sub-Saharan Africa.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  WRP Consulting Engineerswrp.co.zaHQ: Groenkloof, South AfricaReported employees: 11-50 | Groenkloof, South Africa | 11-50 | Exact match | 37 contacts → |
“WRP is a proudly level 2 BB-BEE specialist engineering consultancy founded and cultivated in South Africa.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Umvotoumvoto.comHQ: Cape Town, South AfricaReported employees: 11-50 | Cape Town, South Africa | 11-50 | Exact match | 37 contacts → |
“Umvoto is an earth sciences consultancy, specializing in environmental resource development, management and sustainability.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  SGS Batemansgsbateman.comHQ: Greenstone Hill, South AfricaReported employees: Not recorded | Greenstone Hill, South Africa | Not recorded | Exact match | 36 contacts → |
“SGS Bateman is a global operating company in the SGS Natural Resources Division, part of the SGS Group - world-renowned for inspection, verification, testing, and certification…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Kimopax Groupkimopax.comHQ: Midrand, South AfricaReported employees: 11-50 | Midrand, South Africa | 11-50 | Exact match | 31 contacts → |
“Kimopax is a company rendering specialized services in selected earth and environmental sciences, engineering disciplines and related project management functions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Geotheta Consulting Engineers And Scientistsgeotheta.comHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 28 contacts → |
“Tailings management today requires more than engineering excellence, it demands independent oversight, structured governance, and defensible risk frameworks.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Peragageperagage.comHQ: City Of Tshwane, South AfricaReported employees: 11-50 | City Of Tshwane, South Africa | 11-50 | Exact match | 25 contacts → |
“PeraGage is a Leading, Trusted and the Preferred specialist firm of geo-consultants including hydrogeologists, geotechnical engineers and engineering geologists operating…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 260 company matches
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Hydrogeology companies: dataset insights
September 21, 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
260 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 260 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: September 21, 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 hydrogeology companies?
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 hydrogeology companies did RevenueBase find based in South Africa?
The saved snapshot records 260 matching company records, 3,235 tracked contacts and 1,203 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: September 21, 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
Hydrogeology companies by geography
- Hydrogeology companies based in Brisbane, Australia
- Hydrogeology companies based in Melbourne, Australia
- Hydrogeology companies based in Perth, Australia
- Hydrogeology companies based in Sydney, Australia
- Hydrogeology companies based in Belo Horizonte, Brazil
- Hydrogeology companies based in Porto Alegre, Brazil
- Hydrogeology companies based in Rio De Janeiro, Brazil
- Hydrogeology companies based in Sao Paulo, Brazil
- Hydrogeology companies based in Calgary, Canada
- Hydrogeology companies based in Montreal, Canada
- Hydrogeology companies based in Toronto, Canada
- Hydrogeology companies based in Vancouver, Canada
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 hydrogeology companies based in South Africa. Snapshot: September 21, 2026. https://revenuebase.ai/companies/hydrogeology-companies/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
- Hydrogeology companies based in Brisbane, Australia
- Hydrogeology companies based in Melbourne, Australia
- Hydrogeology companies based in Perth, Australia
- Hydrogeology companies based in Sydney, Australia
- Hydrogeology companies based in Belo Horizonte, Brazil
- Hydrogeology companies based in Porto Alegre, Brazil
Company intelligence · public preview
Top 25 hydrogeology companies based in South Africa
RevenueBase records 260 matching company records for hydrogeology companies based in South Africa, with 3,235 tracked contacts and 1,203 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: September 21, 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 hydrogeology companies 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 | Proxa Waterproxawater.com HQ: Woodmead, South AfricaReported employees: 201-500 | Woodmead, South Africa | 201-500 | Exact match | 358 contacts → |
“Proxa is a leading water treatment specialist whose integrated services cover the entire water cycle and span numerous global industries, including: mining, food & beverage…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Jones & Wagener PTY LTDjonesandwagener.com HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 228 contacts → |
“Jones & Wagener is a specialist firm of consulting engineers and scientists based in South Africa.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Rosondrosond.com HQ: Johannesburg, South AfricaReported employees: 1,001-5,000 | Johannesburg, South Africa | 1,001-5,000 | Exact match | 200 contacts → |
“ROSOND provides fast, efficient, safe and cost-effective drilling and grouting services to mining and exploration industries throughout Africa.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Knight Piesold Southern Africaknightpiesold.com HQ: Sandton, South AfricaReported employees: 201-500 | Sandton, South Africa | 201-500 | Exact match | 193 contacts → |
“Knight Piésold is a global consulting firm that provides specialised services to the mining, power, water resources and infrastructure industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Nafasi Waternafasiwater.com HQ: Johannesburg, South AfricaReported employees: 201-500 | Johannesburg, South Africa | 201-500 | Exact match | 175 contacts → |
“Nafasi Water, formerly known as Aveng Water is a 100% black-owned leading water technology and water utility service company.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | IX Engineers PTY LTDixengineers.co.za HQ: City Of Tshwane, South AfricaReported employees: 201-500 | City Of Tshwane, South Africa | 201-500 | Exact match | 136 contacts → |
“iX engineers is a proudly South African multi-disciplinary consulting engineering company with a focus on five key market sectors, being; Water, Energy, Transport, Development…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | The MSA Groupmsagroupservices.com HQ: Victory Park, South AfricaReported employees: 51-200 | Victory Park, South Africa | 51-200 | Exact match | 110 contacts → |
“The MSA Group is a leading provider of exploration, geology, mineral resource and reserve estimation, mining and environmental consulting services to the mining industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Geogroupgeogroup.co.za HQ: Sunrella, South AfricaReported employees: 201-500 | Sunrella, South Africa | 201-500 | Exact match | 68 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | HQ: Rivonia, South AfricaReported employees: 11-50 | Rivonia, South Africa | 11-50 | Exact match | 63 contacts → |
“Established in 1987, GCS (Pty) Ltd is an independent consultancy offering a range of professional services within the fields of water, environmental and earth sciences.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | GASTgastglobal.com HQ: Pretoria, South AfricaReported employees: 201-500 | Pretoria, South Africa | 201-500 | Exact match | 63 contacts → |
“GAST, founded in 1961 had its roots in the chemical industry.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Geosure PTY LTDgeosure.co.za HQ: Durban, South AfricaReported employees: 51-200 | Durban, South Africa | 51-200 | Exact match | 57 contacts → |
“Since the company's inception in 1992, Geosure has established a formidable reputation in Southern African Geotechnics.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Digital Surveyingdigitalsurveying.co.za HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 54 contacts → |
“Digital Surveying is a specialist Directional, Geophysical, Geotechnical & Hydrogeological logging company servicing the mining, exploration, and civil engineering industries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | ARQ Consulting Engineers PTY LTDarq.co.za HQ: Pretoria, South AfricaReported employees: 11-50 | Pretoria, South Africa | 11-50 | Exact match | 52 contacts → |
“ARQ is an award winning consulting engineering firm with a reputation as being a leader in South Africa in our specialist fields of dams & hydro, geotech and bridges.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Wireline Africawirelineafrica.com HQ: Mooi Nooi, South AfricaReported employees: 51-200 | Mooi Nooi, South Africa | 51-200 | Exact match | 52 contacts → |
“Wireline Africa is an engineering company that focuses on supplying the local and international mining industry with products and services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | GPTgptglobal.com HQ: Pretoria, South AfricaReported employees: 11-50 | Pretoria, South Africa | 11-50 | Exact match | 50 contacts → |
“Since our inception, GPT has focused on delivering tailor-made environmental services, that go beyond the requirements.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Open House Management Solutionsohms.co.za HQ: Potchefstroom, South AfricaReported employees: 11-50 | Potchefstroom, South Africa | 11-50 | Exact match | 47 contacts → |
“Open House Management Solutions is a South-African based, Geotechnical Engineering and Seismological services provider.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Singo Consultingsingoconsulting.co.za HQ: Emalahleni, South AfricaReported employees: 51-200 | Emalahleni, South Africa | 51-200 | Exact match | 44 contacts → |
“Singo Consulting (Pty) Ltd is a private independent research consultancy and advisory company based in eMalahleni (Witbank), holding no equity in any project and is owned by the…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Franki Africa PTY LTDfranki.co.za HQ: Ottery, South AfricaReported employees: 51-200 | Ottery, South Africa | 51-200 | Exact match | 37 contacts → |
“Franki is the oldest and most established specialist geotechnical contractor in Sub-Saharan Africa.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | WRP Consulting Engineerswrp.co.za HQ: Groenkloof, South AfricaReported employees: 11-50 | Groenkloof, South Africa | 11-50 | Exact match | 37 contacts → |
“WRP is a proudly level 2 BB-BEE specialist engineering consultancy founded and cultivated in South Africa.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Umvotoumvoto.com HQ: Cape Town, South AfricaReported employees: 11-50 | Cape Town, South Africa | 11-50 | Exact match | 37 contacts → |
“Umvoto is an earth sciences consultancy, specializing in environmental resource development, management and sustainability.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | SGS Batemansgsbateman.com HQ: Greenstone Hill, South AfricaReported employees: Not recorded | Greenstone Hill, South Africa | Not recorded | Exact match | 36 contacts → |
“SGS Bateman is a global operating company in the SGS Natural Resources Division, part of the SGS Group - world-renowned for inspection, verification, testing, and certification…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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 · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Kimopax Groupkimopax.com HQ: Midrand, South AfricaReported employees: 11-50 | Midrand, South Africa | 11-50 | Exact match | 31 contacts → |
“Kimopax is a company rendering specialized services in selected earth and environmental sciences, engineering disciplines and related project management functions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Geotheta Consulting Engineers And Scientistsgeotheta.com HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 28 contacts → |
“Tailings management today requires more than engineering excellence, it demands independent oversight, structured governance, and defensible risk frameworks.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Peragageperagage.com HQ: City Of Tshwane, South AfricaReported employees: 11-50 | City Of Tshwane, South Africa | 11-50 | Exact match | 25 contacts → |
“PeraGage is a Leading, Trusted and the Preferred specialist firm of geo-consultants including hydrogeologists, geotechnical engineers and engineering geologists operating…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 260 company matches
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Hydrogeology companies: dataset insights
September 21, 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
260 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 260 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: September 21, 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 hydrogeology companies?
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 hydrogeology companies did RevenueBase find based in South Africa?
The saved snapshot records 260 matching company records, 3,235 tracked contacts and 1,203 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: September 21, 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 hydrogeology companies based in South Africa. Snapshot: September 21, 2026. https://revenuebase.ai/companies/hydrogeology-companies/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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