Company lists · Data refreshed September 2026

Top 25 Electrical systems integrators based in South Africa

Name: Electrical systems integrators based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 405 companies tracked

RevenueBase identified 405 electrical systems integrators headquartered in South Africa as of September 2026 and tracks 3,404 professional contacts across them, including 863 with verified work emails. Johannesburg is the largest hub.

This list covers electrical systems integrators 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 28, 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 28, 2026 86% judged on-target in blind review

405Companies

3,404Contacts tracked

863Verified emails

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The 25 largest electrical systems integrators based in South Africa

Ranked by team size

Top 25 of 405 electrical systems integrators based in South Africa, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to electrical systems integrators: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Isolve	Indirect evidence	Midrand, South AfricaHQ checked Sep 28, 2026	51-200	108 contacts →
	Indirect evidence “ISolve Business Solutions (Proprietary) Ltd.” Source: RevenueBase Database · checked Sep 28, 2026
2	Moore Process Controls	Indirect evidence	Midrand, South AfricaHQ checked Sep 28, 2026	51-200	104 contacts →
	Indirect evidence “Moore Process Controls PTY (LTD) was originally established in South Africa as Moore Controls S.A.” Source: RevenueBase Database · checked Sep 28, 2026
3	Brand Engineering SA PTY LTD	Partial evidence	Cape Town, South AfricaHQ checked Sep 28, 2026	501-1,000	96 contacts →
	Partial evidence “Brand Engineering SA (Pty) Ltd has been operating in the electrical industry for over 50 years, delivering electrical, instrumentation, and automation installations across…” Source: RevenueBase Database · checked Sep 28, 2026
4	Directech	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	201-500	86 contacts →
	Indirect evidence “In an ever-changing world of new technology, the Directech Group is leading the way towards an automated future.” Source: RevenueBase Database · checked Sep 28, 2026
5	ISF SFP PTY LTD	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	51-200	85 contacts →
	Indirect evidence “Unlocking Safety & Security, Seamlessly Integrated: Welcome to ISF SFP, where we redefine the landscape of safety and security through seamless integration and cutting-edge…” Source: RevenueBase Database · checked Sep 28, 2026
6	GVJ Electrical And Instrumentation Contractors PTY LTD	Partial evidence	Cape Town, South AfricaHQ checked Sep 28, 2026	51-200	81 contacts →
	Partial evidence “GVJ Electrical and Instrumentation Contractors (Pty) are electrical contractors and specialize in electrical reticulation for industrial and commercial projects.” Source: RevenueBase Database · checked Sep 28, 2026
7	Powertech System Integrators	Strong evidence	Pretoria, South AfricaHQ checked Sep 28, 2026	51-200	78 contacts →
	Strong evidence “Powertech System Integrators (PTSI) is a systems engineering business which operates predominantly in the power and energy sectors with customers that include power utilities and…” Source: RevenueBase Database · checked Sep 28, 2026
8	Bona Electronic Solutions PTY LTD	Partial evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	51-200	72 contacts →
	Partial evidence “We are an Integrated Electronic Solutions Provider combining intelligence driven services and industry-leading technologies offering design, engineering, installation and system…” Source: RevenueBase Database · checked Sep 28, 2026
9	PCS Global PTY LTD	Indirect evidence	Midrand, South AfricaHQ checked Sep 28, 2026	51-200	58 contacts →
	Indirect evidence “PCS Global (Pty) Ltd.” Source: RevenueBase Database · checked Sep 28, 2026
10	BT Projects PTY LTD	Partial evidence	Vanderbijlpark, South AfricaHQ checked Sep 28, 2026	51-200	53 contacts →
	Partial evidence “Founded in 2012, BT Projects is a leader in South Africa’s electrical and instrumentation sectors.” Source: RevenueBase Database · checked Sep 28, 2026
11	Technoserve	Partial evidence	Cape Town, South AfricaHQ checked Sep 28, 2026	51-200	52 contacts →
	Partial evidence “Electrical and Electronic Engineering” Source: RevenueBase Database · checked Sep 28, 2026
12	Greenro Solutions	Strong evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	51-200	50 contacts →
	Strong evidence “We deliver end-to-end Electrical and Automation infrastructure projects ( the full value chain: Medium Voltage systems (including substations and reticulation), Low Voltage…” Source: RevenueBase Database · checked Sep 28, 2026
13	IST Integrators Of Systems Technology	Strong evidence	Pretoria, South AfricaHQ checked Sep 28, 2026	51-200	49 contacts →
	Strong evidence “iST (Integrators of Systems Technology) is a systems integrator that operates in Sub-Saharan Africa.” Source: RevenueBase Database · checked Sep 28, 2026
14	Control Systems Integration PTY LTD	Partial evidence	Centurion, South AfricaHQ checked Sep 28, 2026	51-200	46 contacts →
	Partial evidence “Welcome to CSi - Control Systems Integration (Pty) Ltd- Your Trusted Digital Transformation Technology Partner!” Source: RevenueBase Database · checked Sep 28, 2026
15	4sight OT Automation	Partial evidence	Sandton, South AfricaHQ checked Sep 28, 2026	51-200	44 contacts →
	Partial evidence “4Sight OT Automation - previously known as AGE Technologies has been providing Electrical, Control and Instrumentation solutions for over 25 years to South African and global…” Source: RevenueBase Database · checked Sep 28, 2026
16	Hamar Controls PTY LTD	Partial evidence	Roodepoort, South AfricaHQ checked Sep 28, 2026	11-50	43 contacts →
	Partial evidence “Since inception in 1981 Hamar Controls have been providing Electrical, Control and Instrumentation products and services to industries such as iron ore and aluminium smelters…” Source: RevenueBase Database · checked Sep 28, 2026
17	Unilecsa	Strong evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	51-200	41 contacts →
	Strong evidence “We are an electrical company that specializes in the automation of industrial production and distribution systems.” Source: RevenueBase Database · checked Sep 28, 2026
18	Novatec South Africa	Strong evidence	Centurion, South AfricaHQ checked Sep 28, 2026	11-50	35 contacts →
	Strong evidence “Novatec South Africa is an Electrical Engineering, Process Automation and System Integration Company that has been active in the South African market since 2018.” Source: RevenueBase Database · checked Sep 28, 2026
19	Veracitech	Partial evidence	Randburg, South AfricaHQ checked Sep 28, 2026	51-200	34 contacts →
	Partial evidence “A bespoke systems engineering house providing high-end security, video and access automation systems in the industrial, mining, corporate and national key-point sectors across…” Source: RevenueBase Database · checked Sep 28, 2026
20	Samo Engineering	Strong evidence	Midrand, South AfricaHQ checked Sep 28, 2026	51-200	34 contacts →
	Strong evidence “SAMO ENGINEERING is Telecommunications and Electrical Engineering Service Integrator.” Source: RevenueBase Database · checked Sep 28, 2026
21	Syncsystems South Africa	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	11-50	32 contacts →
	Indirect evidence “SyncSystems is owned by professional engineers with broad industrial experience, including mining, petrochem, biotech and water treatment.” Source: RevenueBase Database · checked Sep 28, 2026
22	JB Switchgear Solutions PTY LTD	Partial evidence	Brakpan, South AfricaHQ checked Sep 28, 2026	51-200	32 contacts →
	Partial evidence “We are JB Switchgear Solutions Pty Ltd, and our primary expertise lies in providing a diverse range of solutions and products in the field of switchgear and electrical equipment.” Source: RevenueBase Database · checked Sep 28, 2026
23	Electro Systems	Indirect evidence	Nelspruit, South AfricaHQ checked Sep 28, 2026	51-200	30 contacts →
	Indirect evidence “Experts in the design, supply and installation of switchgear and power automation projects.” Source: RevenueBase Database · checked Sep 28, 2026
24	DEI Projects PTY LTD	Partial evidence	Johannesburg, South AfricaHQ checked Sep 28, 2026	51-200	29 contacts →
	Partial evidence “Founded in 1990, D.E.I Projects started as an Electrical and Instrumentation contracting and supply company and has grown into a full-service solutions provider across Southern…” Source: RevenueBase Database · checked Sep 28, 2026
25	RWW Engineering PTY LTD	Indirect evidence	Laser Park, South AfricaHQ checked Sep 28, 2026	51-200	28 contacts →
	Indirect evidence “We are RWW!” Source: RevenueBase Database · checked Sep 28, 2026

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: electrical systems integrators. 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 electrical systems integrators.
Partial evidence: Its own public description names part of electrical systems integrators, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name electrical systems integrators. 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 405 electrical systems integrators based in South Africa

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Electrical systems integrators based in South Africa at a glance

As of Sep 28, 2026

25.4%Verified-email coverage

8.4Average contacts per company

11-50Median size (employees)

14.6%Largest-city concentration · Johannesburg

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

182

11-50

160

51-200

201-500

501-1,000

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 405 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 electrical systems integrators, 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 “electrical systems integrators”. 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 electrical systems integrators), 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 electrical systems integrators, 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, 863 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 28, 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.

Electrical systems integrators by metro

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 electrical systems integrators, 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 electrical systems integrators are there based in South Africa?

RevenueBase identified 405 electrical systems integrators 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?

Isolve, headquartered in Midrand, tops this list with the largest team on record.

Which city has the most electrical systems integrators?

Johannesburg leads with 59 headquartered companies, followed by Cape Town (48) and Pretoria (21).

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 863 verified decision-maker contacts tracked across these 405 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 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 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.