Company lists · Data refreshed November 2026

Top 15 Welding laboratories based in South Africa

RevenueBase identified 79 company matches for welding laboratories associated with South Africa as of November 2026 and tracks 1,242 professional contacts across them, including 212 with verified work emails. Johannesburg is the largest hub.

This list covers company matches for welding 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 November 3, 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 3, 2026 How this list was built
79Companies
1,242Contacts tracked
212Verified emails
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The 15 largest welding laboratories based in South Africa

Ranked by team size
Top 15 of 79 company matches for welding laboratories based in South Africa, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 3, 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 matchWoodmead, South AfricaHQ recorded Nov 3, 202610001+269 contacts →

Exact match

“SGS is a multinational company which was established in 1878 in Geneva, Switzerland.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
2Exact matchVanderbijlpark, South AfricaHQ recorded Nov 3, 2026501-1,000239 contacts →

Exact match

“Established in 1989 Labour supply – specialised welders Since 1992 focussed on boiler plant maintenance Currently executing projects in fabrication, mechanical erection and…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
3Exact matchSecunda, South AfricaHQ recorded Nov 3, 202651-20046 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 · Nov 3, 2026 · View company records in RevenueBase
4Exact matchJohannesburg, South AfricaHQ recorded Nov 3, 202611-5042 contacts →

Exact match

“The Southern African Institute of Welding (SAIW) is a non-profit technical organisation dedicated to furthering standards in welding-fabrication and related technologies.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
5Exact matchCape Town, South AfricaHQ recorded Nov 3, 202611-5028 contacts →

Exact match

“One Eighty was founded by metallurgist and materials engineer, Dr Janet Cotton, in 2002.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
6Exact matchPierre Van Ryneveld, South AfricaHQ recorded Nov 3, 20261-1016 contacts →

Exact match

“AMTR has a history of developing world class capabilities in the manufacturing industry.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
7Exact matchPretoria, South AfricaHQ recorded Nov 3, 202611-5015 contacts →

Exact match

“We are a refurbishment company based in South Africa, Centurion.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
8Exact matchEvander, South AfricaHQ recorded Nov 3, 202651-20015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
9Exact matchEdenvale, South AfricaHQ recorded Nov 3, 202611-5014 contacts →

Exact match

“G.M.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
10Exact matchCity Of Tshwane, South AfricaHQ recorded Nov 3, 202651-20011 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 · Nov 3, 2026 · View company records in RevenueBase
11Exact matchBenoni, South AfricaHQ recorded Nov 3, 202611-508 contacts →

Exact match

“SUPPLYING THE FINEST PLASTIC WELDING EQUIPMENT & HOT AIR TOOLS PLASTIWELD Established in 1991, Plasti-Weld cc is based in Benoni, Gauteng, with authorised distributors across…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
12Exact matchGermiston, South AfricaHQ recorded Nov 3, 202611-506 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 · Nov 3, 2026 · View company records in RevenueBase
13Exact matchAlberton, South AfricaHQ recorded Nov 3, 20261-106 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
14Exact matchCity Of Tshwane, South AfricaHQ recorded Nov 3, 202611-506 contacts →

Exact match

“AWT Solutions' vision is to assist the Sub-Saharan automotive, manufacturing & mining companies with the most suitable, comprehensive welding solutions and technical support.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
15Exact matchPort Elizabeth, South AfricaHQ recorded Nov 3, 202611-503 contacts →

Exact match

“Waudcray (Pty) Ltd is a Gqeberha (Port Elizabeth), Eastern Cape based, specialist in resistance welding and light engineering.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase

Showing 15 of 79 welding laboratories based in South Africa

See the full list, filter by size, metro and specialty, and access 212 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Welding laboratories based in South Africa at a glance

As of Nov 3, 2026
17.1%Verified-email coverage
15.7Average contacts per company
1-10Median size (employees)
19.0%Largest-city concentration · Johannesburg
Nov 3, 2026Page data refreshed

Companies by employee count

1-10
42
11-50
23
51-200
7
201-500
3
501-1,000
2
10001+
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 79 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 “welding 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 212 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 3, 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 “welding laboratories”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many welding laboratories are there based in South Africa?

RevenueBase identified 79 company matches for welding laboratories 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?

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

Which city has the most welding laboratories?

Johannesburg leads with 15 company records, followed by Cape Town (11) and Pretoria (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 212 professional contacts with verified work emails tracked across these 79 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 3, 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.