Company lists · Data refreshed November 2026

Top 25 Electrical grid modernization companies based in South Africa

Name: Electrical grid modernization companies based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 55 companies tracked

RevenueBase identified 55 company matches for electrical grid modernization companies associated with South Africa as of November 2026 and tracks 739 professional contacts across them, including 236 with verified work emails. Johannesburg is the largest hub.

This list covers company matches for electrical grid modernization companies 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 November 6, 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 Nov 6, 2026 How this list was built

55Companies

739Contacts tracked

236Verified emails

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The 25 largest electrical grid modernization companies based in South Africa

Ranked by team size

Top 25 of 55 company matches for electrical grid modernization companies based in South Africa, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 Nov 6, 2026	51-200	77 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 · Nov 6, 2026 · View company records in RevenueBase
2	Technoserve	Exact match	Cape Town, South AfricaHQ recorded Nov 6, 2026	51-200	58 contacts →
	Exact match “Electrical and Electronic Engineering” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Enerweb	Exact match	Midrand, South AfricaHQ recorded Nov 6, 2026	11-50	52 contacts →
	Exact match “Enerweb offers a unique blend of engineering, business, and IT capability to the electricity sector, connecting buyers and sellers of electricity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	IST Integrators Of Systems Technology	Exact match	Pretoria, South AfricaHQ recorded Nov 6, 2026	51-200	42 contacts →
	Exact match “iST (Integrators of Systems Technology) is a systems integrator that operates in Sub-Saharan Africa.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Karebo Group	Exact match	Woodmead, South AfricaHQ recorded Nov 6, 2026	11-50	41 contacts →
	Exact match “Karebo has been in business since 1997 and has a solid track record in large scale energy efficiency rollouts and other mass rollouts.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Remote Metering Solutions PTY LTD	Exact match	Pretoria, South AfricaHQ recorded Nov 6, 2026	201-500	39 contacts →
	Exact match “Remote Metering Solutions (RMS) is a Software and Services Specialist for the Utility Industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Impact Meter Services PTY LTD	Exact match	City Of Tshwane, South AfricaHQ recorded Nov 6, 2026	51-200	37 contacts →
	Exact match “Impact Meter Services (IMS) has developed an effective and professional electricity management system, which is amongst the best in the marketplace today.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	RWW Engineering PTY LTD	Exact match	Laser Park, South AfricaHQ recorded Nov 6, 2026	51-200	31 contacts →
	Exact match “We are RWW!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	TSG South-Africa	Exact match	Alberton, South AfricaHQ recorded Nov 6, 2026	201-500	25 contacts →
	Exact match “TSG is the leading technical services provider for responsible mobility, operating in more than 30 countries across Europe and Africa, including South Africa.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Infoled	Exact match	Montague Gardens, South AfricaHQ recorded Nov 6, 2026	11-50	24 contacts →
	Exact match “INFOLED is an experienced and progressive Energy Solutions Company and a recognized leader in the project development and energy consulting services industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Rural Maintenance PTY LTD	Exact match	Silvertondale, South AfricaHQ recorded Nov 6, 2026	11-50	24 contacts →
	Exact match “Rural Maintenance puts the power back into the hands of individuals, businesses and municipalities, by securing affordable and reliable electricity for communities throughout…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Conco Energy Solutions	Exact match	Halfway House, South AfricaHQ recorded Nov 6, 2026	51-200	18 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 · Nov 6, 2026 · View company records in RevenueBase
13	EOH Power Systems	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	51-200	15 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 · Nov 6, 2026 · View company records in RevenueBase
14	U Systems PTY LTD	Exact match	City Of Tshwane, South AfricaHQ recorded Nov 6, 2026	11-50	13 contacts →
	Exact match “The U Group of Companies offer tailored solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Republic Metering	Exact match	Grahamstown, South AfricaHQ recorded Nov 6, 2026	11-50	12 contacts →
	Exact match “With the increase in living and utility costs on the rise, it has become even more essential to properly manage your utilities – using out-dated technology or meter reading…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Midcity Utilities PTY LTD	Exact match	Pretoria, South AfricaHQ recorded Nov 6, 2026	11-50	11 contacts →
	Exact match “MidCity Utilities, a subsidiary of the MidCity Property Group, provides a comprehensive range of smart utility management products and solutions to the property industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Infinity Renewable Solutions	Exact match	Somerset West, South AfricaHQ recorded Nov 6, 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 · Nov 6, 2026 · View company records in RevenueBase
18	Gibb Mining And Power PTY LTD	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	11-50	10 contacts →
	Exact match “GIBB Power services extend across the electricity value chain.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Altek Solutions	Exact match	Ekurhuleni, South AfricaHQ recorded Nov 6, 2026	11-50	8 contacts →
	Exact match “Altek Solutions Is A Multi-Disciplinary Engineering Company That Is The Leading Provider Of End-To-End Engineering Intelligence And Data Management Solutions For Electrical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Somo Technical Solutions	Exact match	Cape Town, South AfricaHQ recorded Nov 6, 2026	1-10	7 contacts →
	Exact match “SOMO TECHNICAL SOLUTIONS is a company based out of Unit 6 River Park 3, Pegasus Park, 5 Titan Street, Rivergate, Cape Farms, Cape Town We're a strong team of like minded…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Dunatos Holding PTY LTD	Exact match	Cape Town, South AfricaHQ recorded Nov 6, 2026	1-10	3 contacts →
	Exact match “Of all the technology trends that are happening today, perhaps the biggest one is the “Internet of Things”.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Ewyze PTY LTD	Exact match	Pretoria, South AfricaHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Estac Engineering	Exact match	Centurion, South AfricaHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “ESTAC Engineering is a specialist electrical engineering company providing practical, technically sound solutions for commercial, industrial, agricultural, and property-sector…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Intellipro Consulting	Exact match	Pretoria, South AfricaHQ recorded Nov 6, 2026	1-10	2 contacts →
	Exact match “ZETDC Grid Connection Designs for Substations and Overhead Lines Eskom Grid Connections - Development, Design, Turnkey Grid Connections for Renewable Energy Independent Power…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Fungi Energy	Exact match	Johannesburg, South AfricaHQ recorded Nov 6, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 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 grid modernization companies”. 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 55 electrical grid modernization companies based in South Africa

See the full list, filter by size, metro and specialty, and access 236 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Electrical grid modernization companies based in South Africa at a glance

As of Nov 6, 2026

31.9%Verified-email coverage

13.4Average contacts per company

11-50Median size (employees)

14.5%Largest-city concentration · Johannesburg

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 55 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 grid modernization companies” 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 236 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 November 6, 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 grid modernization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many electrical grid modernization companies are there based in South Africa?

RevenueBase identified 55 company matches for electrical grid modernization companies associated with South Africa as of November 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 grid modernization companies?

Johannesburg leads with 8 company records, followed by Cape Town (5) and Midrand (5).

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 236 professional contacts with verified work emails tracked across these 55 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 November 6, 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.