Company lists · Data refreshed September 2026
Top 16 Material testing labs based in South Africa
RevenueBase identified 53 company matches for material testing labs associated with South Africa as of September 2026 and tracks 1,294 professional contacts across them, including 102 with verified work emails. Johannesburg is the largest hub.
This list covers company matches for material testing labs 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 20, 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 16 largest material testing labs based in South Africa
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 271 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 110 contacts → | ||||
Exact match “Gammatec NDT Supplies SOC Ltd is a company specialising in the manufacturing, marketing, sales and support for and to the Non-Destructive Testing industry.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 77 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 55 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 43 contacts → | ||||
Exact match “SecMet started in 1996 as a consulting metallurgical engineering company and was bought by MegChem to complement their existing consulting engineering services in 1997.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 32 contacts → | ||||
Exact match “Labco provides laboratory testing services in the environmental and civil engineering industries.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 28 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 26 contacts → | ||||
Exact match “One Eighty was founded by metallurgist and materials engineer, Dr Janet Cotton, in 2002.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 25 contacts → | ||||
Exact match “Based in Johannesburg, South Africa, Quest Technical Services provides superior NDT, condition monitoring, consulting and risk assessment services for safety and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 13 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 10 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 5 contacts → | ||||
Exact match “HD Engineering Services is a project management company offering conventional and specialised non-destructive testing, inspection services, and industrial and marine supplies” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match “A non-destructive testing company operating out of Johannesburg, South Africa.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 1 contacts → | ||||
Exact match “We specialize in all conventional and advanced NDT-services” Recorded in the RevenueBase company graph · Sep 20, 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 “material testing labs”. 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 16 of 53 material testing labs based in South Africa
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Material testing labs based in South Africa at a glance
As of Sep 20, 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 53 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 “material testing labs” 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 102 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 20, 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 “material testing labs”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many material testing labs are there based in South Africa?
RevenueBase identified 53 company matches for material testing labs 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?
Roadlab Laboratories tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most material testing labs?
Johannesburg leads with 7 company records, followed by Cape Town (4) and Durban (3).
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 102 professional contacts with verified work emails tracked across these 53 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 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 53 material testing labs based in South Africa. Start with a free account, no credit card.
Download this list →Related lists
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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.
More company lists
Company intelligence · public preview
Top 16 material testing labs 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 53 matching company records for material testing labs based in South Africa, with 1,294 tracked contacts and 102 verified work emails.
This public preview shows 16 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 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 16 material testing labs 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 | Roadlab Laboratoriesroadlab.co.za HQ: Germiston, South AfricaReported employees: 501-1,000 | Germiston, South Africa | 501-1,000 | Exact match | 271 contacts → |
“An independent privately-owned civil engineering materials testing laboratory operating in 13 Branches in South Africa & 21 countries.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Gammatec NDT Supplies SOC LTDgammatecsa.com HQ: Vereeniging, South AfricaReported employees: 51-200 | Vereeniging, South Africa | 51-200 | Exact match | 110 contacts → |
“Gammatec NDT Supplies SOC Ltd is a company specialising in the manufacturing, marketing, sales and support for and to the Non-Destructive Testing industry.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Soillabsoillab.co.zaHQ: Pretoria, South AfricaReported employees: 201-500 | Pretoria, South Africa | 201-500 | Exact match | 77 contacts → |
“The Soillab staff compliment includes Engineers, Technologists and Technicians, as well as skilled and semi-skilled operators.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Letaba LABletabalab.co.za HQ: Nelspruit, South AfricaReported employees: 51-200 | Nelspruit, South Africa | 51-200 | Exact match | 55 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Secmet PTY LTDsecmet.co.za HQ: Secunda, South AfricaReported employees: 51-200 | Secunda, South Africa | 51-200 | Exact match | 43 contacts → |
“SecMet started in 1996 as a consulting metallurgical engineering company and was bought by MegChem to complement their existing consulting engineering services in 1997.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Labco Southern Africa PTY LTDlabco.co.zaHQ: Port Elizabeth, South AfricaReported employees: 201-500 | Port Elizabeth, South Africa | 201-500 | Exact match | 32 contacts → |
“Labco provides laboratory testing services in the environmental and civil engineering industries.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Zwane Inspectionszwaneinspections.co.za HQ: Middelburg, South AfricaReported employees: 11-50 | Middelburg, South Africa | 11-50 | Exact match | 28 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  ONE Eighty Materials Engineering Solutionsone-eighty-degrees.comHQ: Cape Town, South AfricaReported employees: 11-50 | Cape Town, South Africa | 11-50 | Exact match | 26 contacts → |
“One Eighty was founded by metallurgist and materials engineer, Dr Janet Cotton, in 2002.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Quest Technical Services PTY LTDqtsmining.com HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 25 contacts → |
“Based in Johannesburg, South Africa, Quest Technical Services provides superior NDT, condition monitoring, consulting and risk assessment services for safety and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Civilab PTY LTDcivilab.co.zaHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 13 contacts → |
“Civilab is one of the most technically advanced civil and mining engineering laboratories in South Africa.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Investmech PTY LTDinvestmech.com HQ: Lyttelton Manor X3, South AfricaReported employees: 11-50 | Lyttelton Manor X3, South Africa | 11-50 | Exact match | 12 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Soiltecnixsoiltecnix.co.za HQ: Clayville East, South AfricaReported employees: 11-50 | Clayville East, South Africa | 11-50 | Exact match | 10 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Earthinv LABearthinv.co.za HQ: City Of Tshwane, South AfricaReported employees: 51-200 | City Of Tshwane, South Africa | 51-200 | Exact match | 9 contacts → |
“We specialise in the testing of construction materials for quality assurance and quality control purposes to our Clients.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HD Engineering Serviceshdeng.co.za HQ: Durban, South AfricaReported employees: 1-10 | Durban, South Africa | 1-10 | Exact match | 5 contacts → |
“HD Engineering Services is a project management company offering conventional and specialised non-destructive testing, inspection services, and industrial and marine supplies” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | R&a Inspections PTY LTDndtra.co.za HQ: Ekurhuleni, South AfricaReported employees: 1-10 | Ekurhuleni, South Africa | 1-10 | Exact match | 4 contacts → |
“A non-destructive testing company operating out of Johannesburg, South Africa.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Contract Inspection Servicescis-ndt.co.za HQ: Edenvale, South AfricaReported employees: 11-50 | Edenvale, South Africa | 11-50 | Exact match | 1 contacts → |
“We specialize in all conventional and advanced NDT-services” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 16 of 53 company matches
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Material testing labs: dataset insights
September 20, 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
53 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 53 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 20, 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 material testing labs?
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 material testing labs did RevenueBase find based in South Africa?
The saved snapshot records 53 matching company records, 1,294 tracked contacts and 102 verified emails. The public preview displays 16 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 20, 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
Material testing labs by geography
- Material testing labs based in Argentina
- Material testing labs based in Australia
- Material testing labs based in Brazil
- Material testing labs based in Canada
- Material testing labs based in Chile
- Material testing labs based in Colombia
- Material testing labs based in France
- Material testing labs based in Germany
- Material testing labs based in India
- Material testing labs based in Italy
- Material testing labs based in Saudi Arabia
- Material testing labs based in Spain
Browse the directory
Cite this list
RevenueBase Data Team. Top 16 material testing labs based in South Africa. Snapshot: September 20, 2026. https://revenuebase.ai/companies/material-testing-labs/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
Company intelligence · public preview
Top 16 material testing labs based in South Africa
RevenueBase records 53 matching company records for material testing labs based in South Africa, with 1,294 tracked contacts and 102 verified work emails.
This public preview shows 16 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 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 16 material testing labs 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 | Roadlab Laboratoriesroadlab.co.za HQ: Germiston, South AfricaReported employees: 501-1,000 | Germiston, South Africa | 501-1,000 | Exact match | 271 contacts → |
“An independent privately-owned civil engineering materials testing laboratory operating in 13 Branches in South Africa & 21 countries.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Gammatec NDT Supplies SOC LTDgammatecsa.com HQ: Vereeniging, South AfricaReported employees: 51-200 | Vereeniging, South Africa | 51-200 | Exact match | 110 contacts → |
“Gammatec NDT Supplies SOC Ltd is a company specialising in the manufacturing, marketing, sales and support for and to the Non-Destructive Testing industry.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Soillabsoillab.co.za HQ: Pretoria, South AfricaReported employees: 201-500 | Pretoria, South Africa | 201-500 | Exact match | 77 contacts → |
“The Soillab staff compliment includes Engineers, Technologists and Technicians, as well as skilled and semi-skilled operators.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Letaba LABletabalab.co.za HQ: Nelspruit, South AfricaReported employees: 51-200 | Nelspruit, South Africa | 51-200 | Exact match | 55 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Secmet PTY LTDsecmet.co.za HQ: Secunda, South AfricaReported employees: 51-200 | Secunda, South Africa | 51-200 | Exact match | 43 contacts → |
“SecMet started in 1996 as a consulting metallurgical engineering company and was bought by MegChem to complement their existing consulting engineering services in 1997.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Labco Southern Africa PTY LTDlabco.co.za HQ: Port Elizabeth, South AfricaReported employees: 201-500 | Port Elizabeth, South Africa | 201-500 | Exact match | 32 contacts → |
“Labco provides laboratory testing services in the environmental and civil engineering industries.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Zwane Inspectionszwaneinspections.co.za HQ: Middelburg, South AfricaReported employees: 11-50 | Middelburg, South Africa | 11-50 | Exact match | 28 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | ONE Eighty Materials Engineering Solutionsone-eighty-degrees.com HQ: Cape Town, South AfricaReported employees: 11-50 | Cape Town, South Africa | 11-50 | Exact match | 26 contacts → |
“One Eighty was founded by metallurgist and materials engineer, Dr Janet Cotton, in 2002.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Quest Technical Services PTY LTDqtsmining.com HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 25 contacts → |
“Based in Johannesburg, South Africa, Quest Technical Services provides superior NDT, condition monitoring, consulting and risk assessment services for safety and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Civilab PTY LTDcivilab.co.za HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 13 contacts → |
“Civilab is one of the most technically advanced civil and mining engineering laboratories in South Africa.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Investmech PTY LTDinvestmech.com HQ: Lyttelton Manor X3, South AfricaReported employees: 11-50 | Lyttelton Manor X3, South Africa | 11-50 | Exact match | 12 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Soiltecnixsoiltecnix.co.za HQ: Clayville East, South AfricaReported employees: 11-50 | Clayville East, South Africa | 11-50 | Exact match | 10 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Earthinv LABearthinv.co.za HQ: City Of Tshwane, South AfricaReported employees: 51-200 | City Of Tshwane, South Africa | 51-200 | Exact match | 9 contacts → |
“We specialise in the testing of construction materials for quality assurance and quality control purposes to our Clients.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HD Engineering Serviceshdeng.co.za HQ: Durban, South AfricaReported employees: 1-10 | Durban, South Africa | 1-10 | Exact match | 5 contacts → |
“HD Engineering Services is a project management company offering conventional and specialised non-destructive testing, inspection services, and industrial and marine supplies” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | R&a Inspections PTY LTDndtra.co.za HQ: Ekurhuleni, South AfricaReported employees: 1-10 | Ekurhuleni, South Africa | 1-10 | Exact match | 4 contacts → |
“A non-destructive testing company operating out of Johannesburg, South Africa.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Contract Inspection Servicescis-ndt.co.za HQ: Edenvale, South AfricaReported employees: 11-50 | Edenvale, South Africa | 11-50 | Exact match | 1 contacts → |
“We specialize in all conventional and advanced NDT-services” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 16 of 53 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Material testing labs: dataset insights
September 20, 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
53 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 53 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 20, 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 material testing labs?
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 material testing labs did RevenueBase find based in South Africa?
The saved snapshot records 53 matching company records, 1,294 tracked contacts and 102 verified emails. The public preview displays 16 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 20, 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.
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Cite this list
RevenueBase Data Team. Top 16 material testing labs based in South Africa. Snapshot: September 20, 2026. https://revenuebase.ai/companies/material-testing-labs/south-africa.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗