Company lists · Data refreshed November 2026

Top 25 Railway slope stability engineers based in South Africa

RevenueBase identified 154 company matches for railway slope stability engineers associated with South Africa as of November 2026 and tracks 1,560 professional contacts across them, including 393 with verified work emails. Johannesburg is the largest hub.

This list covers company matches for railway slope stability engineers 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 November 6, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
154Companies
1,560Contacts tracked
393Verified emails
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The 25 largest railway slope stability engineers based in South Africa

Ranked by team size
Top 25 of 154 company matches for railway slope stability engineers based in South Africa, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCape Town, South AfricaHQ recorded Nov 6, 202651-200125 contacts →

Exact match

“HHO is a world-class infrastructure engineering company with a wealth of experience and an innovative approach that delivers meticulously thought-through projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 2026501-1,00074 contacts →

Exact match

“Semane Engineering Solutions (Pty) Ltd is an independent South African multi-disciplinary consulting company that provides project management and engineering solutions in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSunrella, South AfricaHQ recorded Nov 6, 2026201-50070 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBenoni, South AfricaHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Based in Benoni, Gauteng, G4 Mining and Civils (Pty) Ltd is a premier South African construction company specializing in the mining infrastructure sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDurban, South AfricaHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“ENsync Engineers, a multi-disciplinary engineering practice with offices in Johannesburg, Cape Town and Durban.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchDurban, South AfricaHQ recorded Nov 6, 202651-20058 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 · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMidrand, South AfricaHQ recorded Nov 6, 2026201-50054 contacts →

Exact match

“AM Consulting Engineers (Pty) Ltd (AMCE) provides professional engineering and consulting services to the public and private infrastructure sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchOttery, South AfricaHQ recorded Nov 6, 202651-20046 contacts →

Exact match

“Franki is the oldest and most established specialist geotechnical contractor in Sub-Saharan Africa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchTembisa, South AfricaHQ recorded Nov 6, 2026201-50040 contacts →

Exact match

“Phoenecian Group is a dynamic demolition, civil, building and geotechnical contractor, with an unmatched track record in the private and public sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSouth AfricaHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Project Management International (PMI) is a dynamic project management company specialising in tailor-made Marine Construction, Engineering Services and Survey & Site…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchDurban, South AfricaHQ recorded Nov 6, 202651-20027 contacts →

Exact match

“Bloc Contractors was established in 2002 and offers specialist geotechnical services such as pipejacking, sheet piling, shoring, lateral support, microtunneling and more.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCity Of Tshwane, South AfricaHQ recorded Nov 6, 202611-5026 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Rafuni offers Geotechnical, Geological and Environmental Consulting Services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchCenturion, South AfricaHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Structural Engineering and Design.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchCape Town, South AfricaHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“ET-Global is a specialised engineering technical services company servicing local and international mining and offshore industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 202651-20015 contacts →

Exact match

“Civilab is one of the most technically advanced civil and mining engineering laboratories in South Africa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDurban, South AfricaHQ recorded Nov 6, 202651-20014 contacts →

Exact match

“Mega Pile specialises in geotechnical investigations, piling and lateral support.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCity Of Tshwane, South AfricaHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“STRENG Consult is a collaboration of team members with years of experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCity Of Mbombela, South AfricaHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“MS Mabuya Civil Laboratory Pty Ltd was founded in 2007 with the aim of sharing and expanding expertise in the construction industry, and contributing valuable knowledge to the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCape Town, South AfricaHQ recorded Nov 6, 202651-20011 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 · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSandton, South AfricaHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“Urbanstrut Consulting Engineers is a South African civil and structural engineering consultancy providing practical, technically sound engineering solutions for the built…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchRoodepoort, South AfricaHQ recorded Nov 6, 202611-509 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBelville, South AfricaHQ recorded Nov 6, 202611-509 contacts →

Exact match

“Edifice Consulting Engineers is a dynamic firm of engineering consultants offering consulting services in the structural and civil engineering disciplines.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchPort Elizabeth, South AfricaHQ recorded Nov 6, 20261-109 contacts →

Exact match

“KEON Consulting Engineers is a 100% African black owned civil and structural engineering consulting firm operating from Port Elizabeth and stretching out to all the major business…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNelspruit, South AfricaHQ recorded Nov 6, 202651-2009 contacts →

Exact match

“Global Laboratories and Risk Solutions is based in South Africa and services the entire African continent.”

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

Showing 25 of 154 railway slope stability engineers based in South Africa

See the full list, filter by size, metro and specialty, and access 393 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Railway slope stability engineers based in South Africa at a glance

As of Nov 6, 2026
25.2%Verified-email coverage
10.1Average contacts per company
1-10Median size (employees)
15.6%Largest-city concentration · Johannesburg
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
81
11-50
46
51-200
19
201-500
6
501-1,000
1

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 154 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 “railway slope stability engineers” 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 393 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

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 “railway slope stability engineers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many railway slope stability engineers are there based in South Africa?

RevenueBase identified 154 company matches for railway slope stability engineers associated with South Africa as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

HHO Consulting Engineers tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most railway slope stability engineers?

Johannesburg leads with 24 company records, followed by Midrand (12) and Durban (8).

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 393 professional contacts with verified work emails tracked across these 154 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.