Company lists · Data refreshed October 2026

Top 25 Oil refinery construction services based in South Africa

Name: Oil refinery construction services based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 28, 2026 150 companies tracked

RevenueBase identified 150 company matches for oil refinery construction services associated with South Africa as of October 2026 and tracks 5,577 professional contacts across them, including 1,421 with verified work emails. Johannesburg is the largest hub.

This list covers company matches for oil refinery construction services 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 28, 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 28, 2026 How this list was built

150Companies

5,577Contacts tracked

1,421Verified emails

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The 25 largest oil refinery construction services based in South Africa

Ranked by team size

Top 25 of 150 company matches for oil refinery construction services based in South Africa, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 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	Sapref	Exact match	Prospecton, South AfricaHQ recorded Oct 28, 2026	501-1,000	967 contacts →
	Exact match “SAPREF is a joint venture between Shell SA Refining and BP Southern Africa.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2	Proconics	Exact match	Secunda, South AfricaHQ recorded Oct 28, 2026	201-500	519 contacts →
	Exact match “Proconics is a South African-based Engineering company, established in 1995.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3	Megchem	Exact match	Secunda, South AfricaHQ recorded Oct 28, 2026	201-500	481 contacts →
	Exact match “MegChem (Pty) Ltd is a multi-disciplinary engineering company based in Secunda, South Africa, providing engineering consulting, procurement, and project management services to…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4	Lesedi	Exact match	Cape Town, South AfricaHQ recorded Oct 28, 2026	201-500	423 contacts →
	Exact match “Leaders in Power Generation, Mining, Oil and Gas.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5	Grinaker-Lta	Exact match	Johannesburg, South AfricaHQ recorded Oct 28, 2026	5,001-10,000	372 contacts →
	Exact match “Grinaker-LTA is a multi-disciplinary Engineering and Construction company.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6	Hydra-Arc	Exact match	Secunda, South AfricaHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
7	Epcm Holdings	Exact match	Pretoria, South AfricaHQ recorded Oct 28, 2026	201-500	252 contacts →
	Exact match “Leading energy & industrial infrastructure consultants, developers and epc contractors - operating globally We offer various design and construction services in the oil/gas…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8	Leadepc	Exact match	Vanderbijlpark, South AfricaHQ recorded Oct 28, 2026	51-200	174 contacts →
	Exact match “LeadEPC is changing the Game!” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9	EHL Engineering Group	Exact match	Woodmead, South AfricaHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
10	Advent ONE Group	Exact match	Springs, South AfricaHQ recorded Oct 28, 2026	501-1,000	104 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11	TDS Projects Group PTY LTD	Exact match	Irene, South AfricaHQ recorded Oct 28, 2026	201-500	98 contacts →
	Exact match “TDS Projects is a dynamic, medium-sized construction company based in Irene, Pretoria.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12	MC Design	Exact match	Port Elizabeth, South AfricaHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
13	Masedi E&i Construction	Exact match	Vaalpark, South AfricaHQ recorded Oct 28, 2026	201-500	79 contacts →
	Exact match “Since Masedi E&I Construction has built an impeccable reputation in the industry with an emphasis on Quality, Safety and Exceptional Service.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14	VGI Consulting	Exact match	Centurion, South AfricaHQ recorded Oct 28, 2026	11-50	65 contacts →
	Exact match “Based in South Africa, VGI Consulting PTY LTD is a leading multidisciplinary consulting engineering firm with 50 years experience, specializing in the Engineering, Procurement and…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15	Dynatron Group	Exact match	City Of Tshwane, South AfricaHQ recorded Oct 28, 2026	201-500	55 contacts →
	Exact match “Dynatron Group (Pty) Ltd is an Engineering, Procurement and Construction Management (EPCM) company focusing on delivering multidisciplinary turn-key engineering solutions.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16	Cinco Engineering PTY LTD	Exact match	Cape Town, South AfricaHQ recorded Oct 28, 2026	11-50	51 contacts →
	Exact match “As an owner-managed entity, Cinco Engineering offers a full scope of engineering services that draws on the strength of its shareholding companies.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17	115 Electrical Solutions PTY LTD	Exact match	Randjespark, South AfricaHQ recorded Oct 28, 2026	201-500	40 contacts →
	Exact match “115 Electrical Solutions (Pty) Ltd is a South African Engineering Procurement & Construction (EPC) organization, which has positioned itself to offer the ultimate customer…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18	Kudon Engineering Services	Exact match	Emalahleni, South AfricaHQ recorded Oct 28, 2026	51-200	37 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19	Rotating Equipment Asset Management	Exact match	Witbank, South AfricaHQ recorded Oct 28, 2026	201-500	35 contacts →
	Exact match “Rotating Equipment Asset Management (REAM)(Pty) Ltd is a South African mechanical engineering firm specializing in heavy duty rotating equipment for power generation…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20	Namaqua Engineering	Exact match	Vredendal, South AfricaHQ recorded Oct 28, 2026	51-200	29 contacts →
	Exact match “Namaqua Engineering is a company which prides itself with an excellent record of quality work.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21	Webmech PTY LTD	Exact match	Johannesburg, South AfricaHQ recorded Oct 28, 2026	51-200	24 contacts →
	Exact match “Webmech is a global EPC/Turnkey maintenance and project company who services clients across multiple sectors.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22	Boleng Engineering Management	Exact match	Johannesburg, South AfricaHQ recorded Oct 28, 2026	11-50	22 contacts →
	Exact match “Boleng Engineering Management is an EPCM company focussed on developing innovative solutions for the progressively complex challenges of our modern built environment.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23	Enzani Technologies	Exact match	Ormonde, South AfricaHQ recorded Oct 28, 2026	51-200	21 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24	Astratek Manufacturing Engineers	Exact match	Cape Town, South AfricaHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
25	EIC Projects PTY LTD	Exact match	Wilgespruit, South AfricaHQ recorded Oct 28, 2026	11-50	19 contacts →
	Exact match “EIC Projects is a Johannesburg based engineering, design and consulting company focusing on electrical and instrumentation design and engineering solutions.” Recorded in the RevenueBase company graph · Oct 28, 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 “oil refinery construction services”. 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 25 of 150 oil refinery construction services based in South Africa

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Oil refinery construction services based in South Africa at a glance

As of Oct 28, 2026

25.5%Verified-email coverage

37.2Average contacts per company

11-50Median size (employees)

15.3%Largest-city concentration · Johannesburg

Oct 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 150 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 “oil refinery construction services” 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 1,421 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 28, 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 “oil refinery construction services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil refinery construction services are there based in South Africa?

RevenueBase identified 150 company matches for oil refinery construction services 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?

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

Which city has the most oil refinery construction services?

Johannesburg leads with 23 company records, followed by Pretoria (11) and Cape Town (8).

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 1,421 professional contacts with verified work emails tracked across these 150 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 28, 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.