Company lists · Data refreshed October 2026

Top 19 Construction material testing laboratories based in South Africa

Name: Construction material testing laboratories based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 10, 2026 46 companies tracked

RevenueBase identified 46 company matches for construction material testing laboratories associated with South Africa as of October 2026 and tracks 1,003 professional contacts across them, including 213 with verified work emails. Cape Town is the largest hub.

This list covers company matches for construction material testing laboratories 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 10, 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 Oct 10, 2026 How this list was built

46Companies

1,003Contacts tracked

213Verified emails

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The 19 largest construction material testing laboratories based in South Africa

Ranked by team size

Top 19 of 46 company matches for construction material testing laboratories based in South Africa, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 10, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Roadlab Laboratories	Exact match	Germiston, South AfricaHQ recorded Oct 10, 2026	501-1,000	281 contacts →
	Exact match “An independent privately-owned civil engineering materials testing laboratory operating in 13 Branches in South Africa & 21 countries.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
2	SGS Industrial	Exact match	Woodmead, South AfricaHQ recorded Oct 10, 2026	10001+	251 contacts →
	Exact match “SGS is a multinational company which was established in 1878 in Geneva, Switzerland.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
3	Soillab	Exact match	Pretoria, South AfricaHQ recorded Oct 10, 2026	201-500	78 contacts →
	Exact match “The Soillab staff compliment includes Engineers, Technologists and Technicians, as well as skilled and semi-skilled operators.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
4	Letaba LAB	Exact match	Nelspruit, South AfricaHQ recorded Oct 10, 2026	51-200	60 contacts →
	Exact match “Letaba Lab is a SANAS ISO/IEC 17025:2017 accredited Civil Engineering Materials Laboratory that was established in the Limpopo Province of South Africa in 1986.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
5	Labco Southern Africa PTY LTD	Exact match	Port Elizabeth, South AfricaHQ recorded Oct 10, 2026	201-500	35 contacts →
	Exact match “Labco provides laboratory testing services in the environmental and civil engineering industries.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
6	ONE Eighty Materials Engineering Solutions	Exact match	Cape Town, South AfricaHQ recorded Oct 10, 2026	11-50	27 contacts →
	Exact match “One Eighty was founded by metallurgist and materials engineer, Dr Janet Cotton, in 2002.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7	Soilco Materials Investigations PTY LTD	Exact match	Durban, South AfricaHQ recorded Oct 10, 2026	51-200	21 contacts →
	Exact match “Soilco offers a wide range of soil and materials testing services through its KwaZulu-Natal locations in Westmead (Pinetown), Pietermaritzburg and Vryheid and provides civil…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
8	Steyn Wilson Laboratories	Exact match	Cape Town, South AfricaHQ recorded Oct 10, 2026	51-200	16 contacts →
	Exact match “Civil Engineering Testing Laboratories” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
9	Soiltecnix	Exact match	Clayville East, South AfricaHQ recorded Oct 10, 2026	11-50	13 contacts →
	Exact match “SoilTecnix is a privately owned Civil engineering Materials testing laboratory situated in Gauteng along the R21 in Clayville We pride our self in being a leading civil…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
10	Investmech PTY LTD	Exact match	Lyttelton Manor X3, South AfricaHQ recorded Oct 10, 2026	11-50	12 contacts →
	Exact match “Investmech (Pty) Ltd is a small to medium company formed in April 1998 in Pretoria by Michiel Heyns Pr.Eng, Anton Raath Pr.Eng, Corro van Waveren Pr.Eng, Herman Booysen and Johann…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
11	Civilab PTY LTD	Exact match	Johannesburg, South AfricaHQ recorded Oct 10, 2026	51-200	12 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 · Oct 10, 2026 · View company records in RevenueBase
12	Specialised Road Technologies PTY LTD	Exact match	Ekurhuleni, South AfricaHQ recorded Oct 10, 2026	11-50	12 contacts →
	Exact match “Non-Destructive Road Surveillance Testing and Laboratory Testing of Bituminous Road Building Materials.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
13	MS Mabuya Civil LAB	Exact match	City Of Mbombela, South AfricaHQ recorded Oct 10, 2026	11-50	12 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 · Oct 10, 2026 · View company records in RevenueBase
14	G.M. Voogt CC	Exact match	Edenvale, South AfricaHQ recorded Oct 10, 2026	11-50	9 contacts →
	Exact match “G.M.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
15	Global Laboratories & Risk Solutions	Exact match	Nelspruit, South AfricaHQ recorded Oct 10, 2026	51-200	9 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 · Oct 10, 2026 · View company records in RevenueBase
16	Earthinv LAB	Exact match	City Of Tshwane, South AfricaHQ recorded Oct 10, 2026	51-200	9 contacts →
	Exact match “We specialise in the testing of construction materials for quality assurance and quality control purposes to our Clients.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
17	VGLS	Exact match	City Of Tshwane, South AfricaHQ recorded Oct 10, 2026	1-10	6 contacts →
	Exact match “An advanced testing laboratory specializing in mine waste testing for critical state, shear strength, permeabilities etc.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
18	ECG Engineering And Consulting Group PTY LTD	Exact match	City Of Tshwane, South AfricaHQ recorded Oct 10, 2026	11-50	4 contacts →
	Exact match “ECG Engineering and Consulting Group (Pty) Ltd (“ECG”) is a SANAS-accredited steel inspection authority with almost two decades of experience in structural engineering.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
19	Olivier Survey Group	Exact match	Germiston, South AfricaHQ recorded Oct 10, 2026	11-50	3 contacts →
	Exact match “Olivier Survey Group (Pty) Ltd is a customer-focused service group that offers professional services to various industries since 1995.” Recorded in the RevenueBase company graph · Oct 10, 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 “construction material testing laboratories”. 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 19 of 46 construction material testing laboratories based in South Africa

See the full list, filter by size, metro and specialty, and access 213 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Construction material testing laboratories based in South Africa at a glance

As of Oct 10, 2026

21.2%Verified-email coverage

21.8Average contacts per company

11-50Median size (employees)

15.2%Largest-city concentration · Cape Town

Oct 10, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

10001+

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 46 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 “construction material testing laboratories” 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 213 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 10, 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 “construction material testing laboratories”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many construction material testing laboratories are there based in South Africa?

RevenueBase identified 46 company matches for construction material testing laboratories 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?

Roadlab Laboratories tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most construction material testing laboratories?

Cape Town leads with 7 company records, followed by Johannesburg (5) and City Of Tshwane (2).

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 213 professional contacts with verified work emails tracked across these 46 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 10, 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.