Company lists · Data refreshed September 2026
Top 25 Steel fabrication companies based in South Africa
RevenueBase identified 393 steel fabrication companies headquartered in South Africa as of September 2026 and tracks 4,182 professional contacts across them, including 691 with verified work emails. Johannesburg is the largest hub.
This list covers steel fabrication companies headquartered in South Africa, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 18, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 steel fabrication companies based in South Africa
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 342 contacts → | ||||
Strong evidence “Established in 1987, Hydra Arc has grown from a supplier of specialized welders into a leading refinery maintenance, turnaround specialist, steel fabrication and construction…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 2 | 229 contacts → | ||||
Strong evidence “SMEI is a Specialist Project Management Construction Company working into the Supply, Fabrication, delivery and Installation of Structural Steel, Mechanical Equipment, Flooring…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 3 | 129 contacts → | ||||
Strong evidence “Efficient Engineering is South Africa's leading steel fabrication, machining, manufacturing and heavy engineering company.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 4 | 125 contacts → | ||||
Indirect evidence “For more than 32 years, Fabrinox has delivered complete, tailor-made manufacturing solutions to a global customer base spanning six continents.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 5 | 117 contacts → | ||||
Indirect evidence “Our technology includes laser welding, TIG welding, CNC bending and forming and robotic welding.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 6 | 112 contacts → | ||||
Partial evidence “The Steel Services & Allied Industries Group specialises in SMPP projects for the mining and construction industries – managing structural steel projects.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 7 | 112 contacts → | ||||
Indirect evidence “Duys Engineering is a proudly family-owned and managed business, founded in 1960 by Pieter M.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 8 | 98 contacts → | ||||
Partial evidence “Since 1994, TW Profile Services has been at the forefront of South Africa’s steel processing evolution-setting the standard as a dominant force in precision engineering and…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 9 | 95 contacts → | ||||
Indirect evidence “Advent One Group (Pty) Ltd provides customer focused construction services and was founded by a team of knowledgeable individuals with over 142 years' combined industry experience…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 10 | 70 contacts → | ||||
Partial evidence “ABOUT US PICM is a leading provider of high-quality fabrication and civil construction services with a proven track record of delivering exceptional projects since 1980.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 11 | 68 contacts → | ||||
Indirect evidence “Turnmill Proquip Engineering (Pty) Ltd, is a medium specialist engineering company situated in Vanderbijlpark.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 12 | 62 contacts → | ||||
Partial evidence “General Profiling established in 1971, is one of the longest established steel and stainless steel service centers in South Africa.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 13 | 57 contacts → | ||||
Indirect evidence “Viva Engineering is a trusted single-source partner delivering world-class, multi-disciplinary project solutions for mining, construction, industrial, infrastructure and…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 14 | 52 contacts → | ||||
Indirect evidence “About Us At Just Engineering, we specialize in delivering top-tier engineering solutions across the marine, mining, and structural sectors.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 15 | 50 contacts → | ||||
Indirect evidence “Building Excellence since 1988: Meet Bantry Construction, Your Trusted Partner for Industrial Projects Bantry Construction has been building excellence since 1988, specialising in…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 16 | 44 contacts → | ||||
Strong evidence “B&T Steel specialises in design, detailing, fabrication, painting, erection and cladding of steel structures throughout Africa.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 17 | 42 contacts → | ||||
Indirect evidence “CRH-Africa (PTY) LTD and subsidiary company Adient-PPC are industry leaders in metals technologies and manufacturing, offering global customer service excellence.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 18 | 40 contacts → | ||||
Indirect evidence “Facade Solutions offers a complete unique service system to design, supply and construct a customised building solution.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 19 | 40 contacts → | ||||
Indirect evidence “Established by Nokuthula Madondo in November and based in Richards Bay, South Africa with a branch in Durban Kwazulu-Natal.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 20 | 34 contacts → | ||||
Partial evidence “At PL Steel, we don’t just fabricate steel-we shape the future of construction, industry, and infrastructure with precision and excellence.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 21 | 33 contacts → | ||||
Partial evidence “Established in 1995, Pegasus Steel offers professional steel processing services, working with sheet and plate in carbon steel, stainless steel and aluminium.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 22 | 32 contacts → | ||||
Partial evidence “Located in Alberton, South Africa, we offer Tube Laser Cutting, Structural Steel & Plate processing using latest technology BLM fibre tube laser cutting, Ficep CNC drilling…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 23 | 32 contacts → | ||||
Partial evidence “Well-known and highly established carbon and stainless steel fabricator committed to ensure innovative, long-term partnerships with our customers through superior quality.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 24 | 30 contacts → | ||||
Indirect evidence “Bay Engineering is a highly skilled manufacturer and fabricator of machined components and parts.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 25 | 30 contacts → | ||||
Partial evidence “Heavy Works and Fabrication” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: steel fabrication companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names steel fabrication companies.
- Partial evidence
- Its own public description names part of steel fabrication companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name steel fabrication companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 393 steel fabrication companies based in South Africa
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Steel fabrication companies based in South Africa at a glance
As of Sep 18, 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 393 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among steel fabrication companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in South Africa whose own description of what they do matches “steel fabrication companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names steel fabrication companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among steel fabrication companies, and records with no verified work email. Companies headquartered outside South Africa are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 691 across the full list. 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 18, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Steel fabrication companies by metro
- Steel fabrication companies in Johannesburg35
- Steel fabrication companies in Cape Town26
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names steel fabrication companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many steel fabrication companies are there based in South Africa?
RevenueBase identified 393 steel fabrication companies headquartered in South Africa as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Hydra-Arc, headquartered in Secunda, tops this list with the largest team on record.
Which city has the most steel fabrication companies?
Johannesburg leads with 35 headquartered companies, followed by Cape Town (26) and Germiston (16).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 691 verified decision-maker contacts tracked across these 393 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 18, 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 Smart Search, 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.
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