Company lists · Data refreshed October 2026

Top 25 Electrical substation automation manufacturers based in South Africa

Name: Electrical substation automation manufacturers based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 131 companies tracked

RevenueBase identified 131 company matches for electrical substation automation manufacturers associated with South Africa as of October 2026 and tracks 1,450 professional contacts across them, including 315 with verified work emails. Cape Town is the largest hub.

This list covers company matches for electrical substation automation manufacturers 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 12, 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 12, 2026 How this list was built

131Companies

1,450Contacts tracked

315Verified emails

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The 25 largest electrical substation automation manufacturers based in South Africa

Ranked by team size

Top 25 of 131 company matches for electrical substation automation manufacturers based in South Africa, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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	Powertech System Integrators	Exact match	Pretoria, South AfricaHQ recorded Oct 12, 2026	51-200	75 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	BT Projects PTY LTD	Exact match	Vanderbijlpark, South AfricaHQ recorded Oct 12, 2026	51-200	63 contacts →
	Exact match “Founded in 2012, BT Projects is a leader in South Africa’s electrical and instrumentation sectors.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Technoserve	Exact match	Cape Town, South AfricaHQ recorded Oct 12, 2026	51-200	56 contacts →
	Exact match “Electrical and Electronic Engineering” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Greenro Solutions	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	51-200	53 contacts →
	Exact match “We deliver end-to-end Electrical and Automation infrastructure projects ( the full value chain: Medium Voltage systems (including substations and reticulation), Low Voltage…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	PCS Global PTY LTD	Exact match	Midrand, South AfricaHQ recorded Oct 12, 2026	51-200	51 contacts →
	Exact match “PCS Global (Pty) Ltd.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Hamar Controls PTY LTD	Exact match	Roodepoort, South AfricaHQ recorded Oct 12, 2026	11-50	45 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Deebar PTY LTD	Exact match	Bokburg, South AfricaHQ recorded Oct 12, 2026	51-200	43 contacts →
	Exact match “Deebar, established in 1976, is an Electrical and Mechanical Engineering Company who manufacture and supply electro-mechanical products to various industries, such as: Mining…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Unilecsa	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	51-200	42 contacts →
	Exact match “We are an electrical company that specializes in the automation of industrial production and distribution systems.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Novatec South Africa	Exact match	Centurion, South AfricaHQ recorded Oct 12, 2026	11-50	40 contacts →
	Exact match “Novatec South Africa is an Electrical Engineering, Process Automation and System Integration Company that has been active in the South African market since 2018.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	JB Switchgear Solutions PTY LTD	Exact match	Brakpan, South AfricaHQ recorded Oct 12, 2026	51-200	34 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	DEI Projects PTY LTD	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	51-200	32 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Electro Systems	Exact match	Nelspruit, South AfricaHQ recorded Oct 12, 2026	51-200	31 contacts →
	Exact match “Experts in the design, supply and installation of switchgear and power automation projects.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	RWW Engineering PTY LTD	Exact match	Laser Park, South AfricaHQ recorded Oct 12, 2026	51-200	28 contacts →
	Exact match “We are RWW!” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	LOW Voltage Switchboards PTY LTD	Exact match	Kempton Park, South AfricaHQ recorded Oct 12, 2026	11-50	25 contacts →
	Exact match “Welcome to LOW VOLTAGE SWITCHBOARDS (Pty) Ltd, one of the largest independent heavy current, low voltage electrical switchgear-assembly specialists in South Africa.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Womsebenzi Services	Exact match	Germiston, South AfricaHQ recorded Oct 12, 2026	51-200	24 contacts →
	Exact match “Womsebenzi takes pride in being ahead of the curve with our commitment to connect technologies and solutions to sustain innovation and differentiation in our solution offerings.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Kaltron Electrical Engineering	Exact match	Cape Town, South AfricaHQ recorded Oct 12, 2026	11-50	20 contacts →
	Exact match “Kat Electrical Engineering CC, better known as “Kaltron”, was established in 1984 and has been in business for 35 years.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	RED Metal Mining Project Engineers	Exact match	Edenvale, South AfricaHQ recorded Oct 12, 2026	11-50	19 contacts →
	Exact match “WHO WE ARE.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	VAN Wyk's Electrical	Exact match	Brakpan, South AfricaHQ recorded Oct 12, 2026	51-200	18 contacts →
	Exact match “The company was established in 1983.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	Process Dynamics	Exact match	Kempton Park, South AfricaHQ recorded Oct 12, 2026	11-50	18 contacts →
	Exact match “Process Dynamics offer System Integration to Industries such as Power Generation, Water Treatment, Oil & Gas, Food & Beverage, Pharmaceutical and Chemical Industries, Materials…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Hexagon Electrical	Exact match	Brakpan, South AfricaHQ recorded Oct 12, 2026	11-50	18 contacts →
	Exact match “Hexagon Electrical is a company based out of South Africa.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Conco Energy Solutions	Exact match	Halfway House, South AfricaHQ recorded Oct 12, 2026	51-200	17 contacts →
	Exact match “CONCO Energy Solutions is well-respected in the industry for the highest quality design, engineering, in-house manufacture and commissioning of protection and control equipment…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	EOH Power Systems	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	51-200	14 contacts →
	Exact match “EOH Power Systems (Pty) Ltd provides application engineering solutions that are geared towards the optimisation of Africa's transmission, distribution and industrial power systems.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Denco Automated PTY LTD	Exact match	Cape Town, South AfricaHQ recorded Oct 12, 2026	11-50	13 contacts →
	Exact match “At Denco Automated, we strive for quality in everything we do.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Smartgrid Technologies PTY LTD	Exact match	Stellenbosch, South AfricaHQ recorded Oct 12, 2026	11-50	12 contacts →
	Exact match “We are a leading designer, developer and manufacturer of mission-critical industrial communication products and systems for OEMs and operators in the Utilities and Renewables…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Infinity Renewable Solutions	Exact match	Somerset West, South AfricaHQ recorded Oct 12, 2026	1-10	10 contacts →
	Exact match “Infinity Renewable Solutions' experience in the design, supply and commissioning of industrial monitoring and control systems for both grid and microgrid systems allow us to…” Recorded in the RevenueBase company graph · Oct 12, 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 “electrical substation automation manufacturers”. 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 131 electrical substation automation manufacturers based in South Africa

See the full list, filter by size, metro and specialty, and access 315 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical substation automation manufacturers based in South Africa at a glance

As of Oct 12, 2026

21.7%Verified-email coverage

11.1Average contacts per company

11-50Median size (employees)

11.5%Largest-city concentration · Cape Town

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

10001+

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 131 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 “electrical substation automation manufacturers” 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 315 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 12, 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 “electrical substation automation manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical substation automation manufacturers are there based in South Africa?

RevenueBase identified 131 company matches for electrical substation automation manufacturers 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?

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

Which city has the most electrical substation automation manufacturers?

Cape Town leads with 15 company records, followed by Johannesburg (15) and Pretoria (7).

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 315 professional contacts with verified work emails tracked across these 131 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 12, 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.