Company lists · Data refreshed September 2026

Top 25 Downstream petroleum construction firms based in South Africa

RevenueBase identified 108 downstream petroleum construction firms headquartered in South Africa as of September 2026 and tracks 2,413 professional contacts across them, including 359 with verified work emails. Johannesburg is the largest hub.

This list covers downstream petroleum construction firms 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 16, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review
108Companies
2,413Contacts tracked
359Verified emails
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The 25 largest downstream petroleum construction firms based in South Africa

Ranked by team size
Top 25 of 108 downstream petroleum construction firms based in South Africa, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to downstream petroleum construction firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceJohannesburg, South AfricaHQ checked Sep 16, 202610001+383 contacts →

Indirect evidence

“SGB-Cape is the largest industrial services company in Africa.”

Source: RevenueBase Database · checked Sep 16, 2026
2Partial evidenceSecunda, South AfricaHQ checked Sep 16, 20261,001-5,000342 contacts →

Partial 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 16, 2026
3Partial evidencePretoria, South AfricaHQ checked Sep 16, 2026201-500241 contacts →

Partial evidence

“Leading energy & industrial infrastructure consultants, developers and epc contractors - operating globally We offer various design and construction services in the oil/gas…”

Source: RevenueBase Database · checked Sep 16, 2026
4Partial evidenceBoksburg, South AfricaHQ checked Sep 16, 2026501-1,000229 contacts →

Partial 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 16, 2026
5Partial evidenceSprings, South AfricaHQ checked Sep 16, 2026501-1,00095 contacts →

Partial 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 16, 2026
6Indirect evidencePort Elizabeth, South AfricaHQ checked Sep 16, 202651-20081 contacts →

Indirect evidence

“MC Design & Contracting is a people-centred and client-focussed company specializing in industrial projects.”

Source: RevenueBase Database · checked Sep 16, 2026
7Partial evidenceJohannesburg, South AfricaHQ checked Sep 16, 202611-5058 contacts →

Partial evidence

“ProGO (Pty) Ltd (“ProGO”) is a newly established manufacturing, construction and maintenance work execution company primarily in the petrochemical, mining and power industries…”

Source: RevenueBase Database · checked Sep 16, 2026
8Indirect evidenceCape Town, South AfricaHQ checked Sep 16, 202611-5049 contacts →

Indirect evidence

“As an owner-managed entity, Cinco Engineering offers a full scope of engineering services that draws on the strength of its shareholding companies.”

Source: RevenueBase Database · checked Sep 16, 2026
9Indirect evidenceKwazulu-natal, South AfricaHQ checked Sep 16, 202651-20040 contacts →

Indirect evidence

“Pipeline Erectors KZN was established in 2006, the Engineering team has over 30 years' experience in the engineering field, and have utilized their technical expertise, to grow…”

Source: RevenueBase Database · checked Sep 16, 2026
10Indirect evidenceEmalahleni, South AfricaHQ checked Sep 16, 202651-20037 contacts →

Indirect evidence

“Kudon Engineering Services (KES) is a 100% black woman-owned engineering services company formed in 2016 to provide world-class engineering solutions to Africa’s vital industrial…”

Source: RevenueBase Database · checked Sep 16, 2026
11Indirect evidenceVredendal, South AfricaHQ checked Sep 16, 202651-20028 contacts →

Indirect evidence

“Namaqua Engineering is a company which prides itself with an excellent record of quality work.”

Source: RevenueBase Database · checked Sep 16, 2026
12Indirect evidenceKempton Park, South AfricaHQ checked Sep 16, 202651-20024 contacts →

Indirect evidence

“The company has successfully been in business for more than 45 years.”

Source: RevenueBase Database · checked Sep 16, 2026
13Indirect evidenceEdenvale, South AfricaHQ checked Sep 16, 202611-5022 contacts →

Indirect evidence

“Engineering Projects & Maintenance Activities We provide a suite of engineering services which includes detailed design, manufacturing, installations, maintenance and…”

Source: RevenueBase Database · checked Sep 16, 2026
14Indirect evidenceJohannesburg, South AfricaHQ checked Sep 16, 202651-20021 contacts →

Indirect evidence

“Webmech is a global EPC/Turnkey maintenance and project company who services clients across multiple sectors.”

Source: RevenueBase Database · checked Sep 16, 2026
15Indirect evidenceModderfontein, South AfricaHQ checked Sep 16, 202651-20017 contacts →

Indirect evidence

“Southern Power Maintenance is a dynamic electrical engineering company committed to excellence.”

Source: RevenueBase Database · checked Sep 16, 2026
16Indirect evidenceJohannesburg, South AfricaHQ checked Sep 16, 202651-20015 contacts →

Indirect evidence

“Inkwali Fabrication and Maintenance (Pty) Ltd is a Pan African engineering services company specialising in steel pipe and plate fabrication, installations and as well as…”

Source: RevenueBase Database · checked Sep 16, 2026
17Indirect evidenceCape Town, South AfricaHQ checked Sep 16, 202651-20014 contacts →

Indirect evidence

“PetroENG is based in the Western Cape, South Africa, operating in the Petrochemical Industry.”

Source: RevenueBase Database · checked Sep 16, 2026
18Indirect evidenceMossel Bay, South AfricaHQ checked Sep 16, 202611-5014 contacts →

Indirect evidence

“A market leader in our field specialising in fabrication for the oil and gas, marine, energy, steel and pipework industries nationwide.”

Source: RevenueBase Database · checked Sep 16, 2026
19Indirect evidenceSasolburg, South AfricaHQ checked Sep 16, 20261-1013 contacts →

Indirect evidence

“EPF Projects is a multi-discipline engineering, pumping and fabrication company with proven technology and project execution capabilities.”

Source: RevenueBase Database · checked Sep 16, 2026
20Indirect evidenceJohannesburg, South AfricaHQ checked Sep 16, 202611-5012 contacts →

Indirect evidence

“Theta Projects is an Architectural, Engineering and Project Management company.”

Source: RevenueBase Database · checked Sep 16, 2026
21Indirect evidenceDurban, South AfricaHQ checked Sep 16, 202611-5011 contacts →

Indirect evidence

“African Arc Engineering is a leading engineering services provider of high quality welded piping, storage tanks and structural steelwork.”

Source: RevenueBase Database · checked Sep 16, 2026
22Partial evidenceJohannesburg, South AfricaHQ checked Sep 16, 20261-1010 contacts →

Partial evidence

“Mechanica Engineering Consultants (Pty) LTD is an Engineering, Procurement and Construction company based in Johannesburg, South Africa but with operations Nationally and in…”

Source: RevenueBase Database · checked Sep 16, 2026
23Partial evidenceCape Town, South AfricaHQ checked Sep 16, 20261-105 contacts →

Partial evidence

“MANPROLOG is a Services Provider Company that was established in 2007 in Cape Town South Africa, specifically to service the Petroleum, Petrochemical and Energy Sectors.”

Source: RevenueBase Database · checked Sep 16, 2026
24Indirect evidenceAlberton, South AfricaHQ checked Sep 16, 202651-2004 contacts →

Indirect evidence

“We Specialize in Petro Chemicals.”

Source: RevenueBase Database · checked Sep 16, 2026
25Indirect evidenceDurban, South AfricaHQ checked Sep 16, 202611-504 contacts →

Indirect evidence

“Pipe Des works on large-scale Piping Design and Engineering projects, continuing our track record as market leaders and the approved consultants for some of the largest business…”

Source: RevenueBase Database · checked Sep 16, 2026

Showing 25 of 108 downstream petroleum construction firms based in South Africa

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Downstream petroleum construction firms based in South Africa at a glance

As of Sep 16, 2026
14.9%Verified-email coverage
22.3Average contacts per company
11-50Median size (employees)
21.3%Largest-city concentration · Johannesburg
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
38
11-50
33
51-200
28
201-500
3
501-1,000
2
1,001-5,000
2
10001+
2

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 108 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 downstream petroleum construction firms, 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 “downstream petroleum construction firms”. 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 downstream petroleum construction firms), 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 downstream petroleum construction firms, 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, 359 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 16, 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.

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 downstream petroleum construction firms, 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 downstream petroleum construction firms are there based in South Africa?

RevenueBase identified 108 downstream petroleum construction firms 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?

Sgb-Cape, headquartered in Elandsfontein Johannesburg, tops this list with the largest team on record.

Which city has the most downstream petroleum construction firms?

Johannesburg leads with 23 headquartered companies, followed by Cape Town (9) and Pretoria (6).

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 359 verified decision-maker contacts tracked across these 108 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 16, 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.