Company lists · Data refreshed October 2026

Top 20 Chemical plant construction contractors based in South Africa

Name: Chemical plant construction contractors based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 9, 2026 66 companies tracked

RevenueBase identified 66 company matches for chemical plant construction contractors associated with South Africa as of October 2026 and tracks 1,481 professional contacts across them, including 388 with verified work emails. Johannesburg is the largest hub.

This list covers company matches for chemical plant construction contractors 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 9, 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 9, 2026 How this list was built

66Companies

1,481Contacts tracked

388Verified emails

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The 20 largest chemical plant construction contractors based in South Africa

Ranked by team size

Top 20 of 66 company matches for chemical plant construction contractors based in South Africa, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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	Hydra-Arc	Exact match	Secunda, South AfricaHQ recorded Oct 9, 2026	1,001-5,000	350 contacts →
	Exact match “Established in 1987, Hydra Arc has grown from a supplier of specialized welders into a leading refinery maintenance, turnaround specialist, steel fabrication and construction…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2	Proprocess	Exact match	Tunney, South AfricaHQ recorded Oct 9, 2026	51-200	161 contacts →
	Exact match “ProProcess develops technology, conceptualises, designs and supplies modular process plants to the hydrometallurgical and oil & gas industry.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3	EHL Engineering Group	Exact match	Woodmead, South AfricaHQ recorded Oct 9, 2026	201-500	127 contacts →
	Exact match “EHL seeks to offer our clients more than just a standard project-house experience.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4	MC Design	Exact match	Port Elizabeth, South AfricaHQ recorded Oct 9, 2026	51-200	79 contacts →
	Exact match “MC Design & Contracting is a people-centred and client-focussed company specializing in industrial projects.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5	Proconics General Overhauls PTY LTD	Exact match	Johannesburg, South AfricaHQ recorded Oct 9, 2026	11-50	62 contacts →
	Exact match “ProGO (Pty) Ltd (“ProGO”) is a newly established manufacturing, construction and maintenance work execution company primarily in the petrochemical, mining and power industries…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6	Prodeo	Exact match	Kempton Park., South AfricaHQ recorded Oct 9, 2026	11-50	21 contacts →
	Exact match “At PRODEO Consulting, we redefine the landscape of process plant design and delivery.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7	Astratek Manufacturing Engineers	Exact match	Cape Town, South AfricaHQ recorded Oct 9, 2026	11-50	19 contacts →
	Exact match “Most consumer-goods factories are designed by people who have never run one.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8	Optimult	Exact match	Johannesburg, South AfricaHQ recorded Oct 9, 2026	11-50	18 contacts →
	Exact match “Optimult provides Consulting, EPC (Engineering, Procurement, Construction) and EPCM (Engineering, Procurement and Construction Management) services in a comprehensive range of…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9	ND Engineering And Maintenance Services PTY LTD	Exact match	Cliffdale, South AfricaHQ recorded Oct 9, 2026	51-200	18 contacts →
	Exact match “Our formidable heritage and strong reputation form the foundation on which our long record of achievements is built, backed by the resources and strengths of a company with over…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10	Petroeng	Exact match	Cape Town, South AfricaHQ recorded Oct 9, 2026	51-200	15 contacts →
	Exact match “PetroENG is based in the Western Cape, South Africa, operating in the Petrochemical Industry.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11	AR Process Projects	Exact match	Woodmead, South AfricaHQ recorded Oct 9, 2026	11-50	13 contacts →
	Exact match “Process Projects is a engineering contracting company comprising sales, engineering, project management, project services, quality and commercial services.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12	Stanton Construction Chemicals	Exact match	Joahnnesburg, South AfricaHQ recorded Oct 9, 2026	11-50	12 contacts →
	Exact match “Stanton Construction Chemicals (SCC) offers tailored and specialized construction compound solutions for the industrial, commercial, domestic, formwork, construction & precast…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13	Kgobisa Projects	Exact match	Benoni, South AfricaHQ recorded Oct 9, 2026	11-50	11 contacts →
	Exact match “KGOBISA PROJECTS is a professional engineering, architectural services, Construction and project management company established in 2003 with the aim to offer technologically…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14	African ARC Engineering	Exact match	Durban, South AfricaHQ recorded Oct 9, 2026	11-50	10 contacts →
	Exact match “African Arc Engineering is a leading engineering services provider of high quality welded piping, storage tanks and structural steelwork.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15	Protherm Systems	Exact match	Johannesburg, South AfricaHQ recorded Oct 9, 2026	11-50	7 contacts →
	Exact match “Process Engineers & Heat Exchanger Specialists We are not just another Engineering company, We are a team of Problem solvers!” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16	Metalx	Exact match	Johannesburg, South AfricaHQ recorded Oct 9, 2026	11-50	5 contacts →
	Exact match “MetalX is a process engineering, process plant design and project execution house for the mining, metallurgical and chemical processing industries operating in numerous countries…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17	Afrotec Engineering PTY LTD	Exact match	Nelspruit, South AfricaHQ recorded Oct 9, 2026	11-50	4 contacts →
	Exact match “Professionally Certified Consulting Engineers with extensive project engineering experience.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18	PC Pump & Tank PTY LTD	Exact match	Alberton, South AfricaHQ recorded Oct 9, 2026	51-200	4 contacts →
	Exact match “We Specialize in Petro Chemicals.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19	HI Calibre Engineering PTY LTD	Exact match	Cape Town, South AfricaHQ recorded Oct 9, 2026	51-200	2 contacts →
	Exact match “HI Calibre Engineering is an Engineering, Procurement, Construction and Management (EPCM) company which specialises in technically complex process projects.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20	Blue Sail	Exact match	Centurion, South AfricaHQ recorded Oct 9, 2026	11-50	2 contacts →
	Exact match “We are a 51% Black Woman Owned business working within the Oil & Gas, Chemicals and Industrial sectors.” Recorded in the RevenueBase company graph · Oct 9, 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 “chemical plant construction contractors”. 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 20 of 66 chemical plant construction contractors based in South Africa

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Chemical plant construction contractors based in South Africa at a glance

As of Oct 9, 2026

26.2%Verified-email coverage

22.4Average contacts per company

11-50Median size (employees)

12.1%Largest-city concentration · Johannesburg

Oct 9, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

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 66 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 “chemical plant construction contractors” 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 388 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 9, 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 “chemical plant construction contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many chemical plant construction contractors are there based in South Africa?

RevenueBase identified 66 company matches for chemical plant construction contractors 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?

Hydra-Arc tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most chemical plant construction contractors?

Johannesburg leads with 8 company records, followed by Cape Town (5) and Gauteng (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 388 professional contacts with verified work emails tracked across these 66 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 9, 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.