Company lists · Data refreshed October 2026

Top 17 Emergency power system maintenance contractors based in South Africa

Name: Emergency power system maintenance contractors 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 99 companies tracked

RevenueBase identified 99 company matches for emergency power system maintenance contractors associated with South Africa as of October 2026 and tracks 934 professional contacts across them, including 255 with verified work emails. Johannesburg is the largest hub.

This list covers company matches for emergency power system maintenance contractors 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

99Companies

934Contacts tracked

255Verified emails

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The 17 largest emergency power system maintenance contractors based in South Africa

Ranked by team size

Top 17 of 99 company matches for emergency power system maintenance contractors 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	Diesel Electric Services PTY LTD	Exact match	Booysens, South AfricaHQ recorded Oct 12, 2026	501-1,000	216 contacts →
	Exact match “Since 1993 Diesel Electric Services (PTY) Ltd has specialised in the design, manufacture, delivery, installation, commissioning and maintenance of turnkey power solutions to suit…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Barloworld Power	Exact match	Boksburg North, South AfricaHQ recorded Oct 12, 2026	201-500	192 contacts →
	Exact match “Barloworld Power has been a CAT Dealer for power products since 1927 and represents CAT, Perkins, and MAK brands.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Generator And Plant Hire SA PTY LTD	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	201-500	68 contacts →
	Exact match “Specialists in the hire, sales, service and maintenance of mobile robust generator sets for emergency and standby use.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Matase Industrial Solutions	Exact match	Alberton, South AfricaHQ recorded Oct 12, 2026	11-50	43 contacts →
	Exact match “Matase Industrial Solutions is a Level 1 established electrical equipment manufacturer, which specializes in standby generator sets, tower lights, and uninterrupted power systems…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Diesel Innovations PTY LTD	Exact match	Ekurhuleni, South AfricaHQ recorded Oct 12, 2026	51-200	34 contacts →
	Exact match “Diesel Innovations Diesel Innovations, one of South Africa’s leading generator suppliers can give you peace of mind with turn key solutions to all your power requirements.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Power Development Services PTY LTD	Exact match	Roodepoort, South AfricaHQ recorded Oct 12, 2026	11-50	16 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Sub-Sahara Power Distributors	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	11-50	14 contacts →
	Exact match “With over twenty years of experience in the Backup Power business, we understand the need to provide quality energy sources at competitive prices.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Complete System Solutions PTY LTD	Exact match	Kuilsriver, South AfricaHQ recorded Oct 12, 2026	11-50	10 contacts →
	Exact match “Uninterruptible Power Supplies, UPS, Batteries, Inverters, Static transfer Switches, Harmonic Conditioners, Solar, IT products, Laptops, Desktop PC, Server Racks, Software…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Ri&d Projects PTY LTD	Exact match	Middelburg, South AfricaHQ recorded Oct 12, 2026	11-50	9 contacts →
	Exact match “RI & D Projects (PTY) Ltd was founded in 1994 and specializes in the repair, installation, and development of electrical services to the industrial and mining industries.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	EDS UPS	Exact match	Johannesburg, South AfricaHQ recorded Oct 12, 2026	11-50	8 contacts →
	Exact match “EDS UPS is a leading provider of backup power solutions, serving a diverse range of clients across South Africa.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Terayne Electrical PTY LTD	Exact match	George, South AfricaHQ recorded Oct 12, 2026	11-50	8 contacts →
	Exact match “We Specialised in Maintenace,Industrial buildings, Construction, Shopping Centres, Restaurants, Home Automation, Lighting and design, Alternative Power such as.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Selec Group	Exact match	City Of Tshwane, South AfricaHQ recorded Oct 12, 2026	11-50	8 contacts →
	Exact match “Our electrical services take care of solar installations, smart home systems, industrial electrical installations, and property developers.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Alpha Power	Exact match	Durban, South AfricaHQ recorded Oct 12, 2026	51-200	8 contacts →
	Exact match “The best name in the game.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Emerald Infrastructure Solutions	Exact match	Milnerton, South AfricaHQ recorded Oct 12, 2026	11-50	7 contacts →
	Exact match “Emerald Infrastructure Solutions cc, supplier of Uninterruptible Power Supplies, Generators, Solar Solutions, Data Centre Infrastructure, Service and Preventative Maintenance.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	S&a Generators	Exact match	New Germany, South AfricaHQ recorded Oct 12, 2026	1-10	7 contacts →
	Exact match “S&A Generators are Generator Specialists based in Durban, South Africa.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
16	Yeyeni Power Group	Exact match	Centurion, South AfricaHQ recorded Oct 12, 2026	1-10	5 contacts →
	Exact match “Switchgear Maintenance Cable fault finding and Jointing Transformer Maintenance LV and MV switchgear Service, Installation and testing and Maintenance Power flow studies…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	Arccon Electrical	Exact match	Caledon, South AfricaHQ recorded Oct 12, 2026	1-10	1 contacts →
	Exact match Recorded description not available. 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 “emergency power system maintenance contractors”. 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 17 of 99 emergency power system maintenance contractors based in South Africa

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Emergency power system maintenance contractors based in South Africa at a glance

As of Oct 12, 2026

27.3%Verified-email coverage

9.4Average contacts per company

1-10Median size (employees)

21.2%Largest-city concentration · Johannesburg

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

11-50

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 99 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 “emergency power system maintenance contractors” 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 255 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 “emergency power system maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many emergency power system maintenance contractors are there based in South Africa?

RevenueBase identified 99 company matches for emergency power system maintenance contractors 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?

Diesel Electric Services PTY LTD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most emergency power system maintenance contractors?

Johannesburg leads with 21 company records, followed by Cape Town (7) and City Of Tshwane (4).

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 255 professional contacts with verified work emails tracked across these 99 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.