Company lists · Data refreshed October 2026
Top 15 High voltage transmission contractors based in South Africa
RevenueBase identified 40 company matches for high voltage transmission contractors associated with South Africa as of October 2026 and tracks 933 professional contacts across them, including 269 with verified work emails. Johannesburg is the largest hub.
This list covers company matches for high voltage transmission 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 14, 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.
The 15 largest high voltage transmission contractors based in South Africa
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 267 contacts → | ||||
Exact match “The CONCO Group is Africa’s largest power infrastructure service provider with three decades of Africa-wide experience in transmission, distribution and power infrastructure…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 2 | 173 contacts → | ||||
Exact match “Established in 1982, Tractionel Enterprise is a 100% Black-Owned Level 1 Electrical Construction Company with an outstanding track record in the design, supply, construction and…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 3 | 99 contacts → | ||||
Exact match “Trans-Africa Projects, specialist in High Voltage Services was established in 1995 as a joint venture between Fluor and Eskom to commercially apply resources and expertise in…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 4 | 48 contacts → | ||||
Exact match “Adenco Construction (PTY) Ltd.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 5 | 40 contacts → | ||||
Exact match “Inexma Electrical is a Electrical construction company based in the Western Cape, South Africa” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 6 | 30 contacts → | ||||
Exact match “High Voltage Technology SA (Pty) Ltd (“HVT”) provides “Can do” solutions for tough problems in the electricity transmission & distribution industry.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 7 | 15 contacts → | ||||
Exact match “TSHWALEC POWER PROJECTS is a Electrical High Voltage infrastructure, reticulation & network distribution services provider.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 8 | 13 contacts → | ||||
Exact match “OMPETHA POWER PROJECTS is a an Electrical Construction company Specializes in MV/LV/HV infrastructure from 11kV up to 765kV CIDB Grade 8EP, CSD Compliant B-BBEE Level 1 Eskom…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 9 | 12 contacts → | ||||
Exact match “Our services- Full Self-Build and Own-Build Services- Network planning and master plans- System modelling and load flow simulations, network optimization, load forecasting…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 10 | 7 contacts → | ||||
Exact match “ADM Engineers is a multidisciplinary engineering company, focused on the energy and power sectors.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match “Highly Dynamic Overhead Line Construction company servicing Southern Africa.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match “Industrial Electrical contractors” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 13 | 3 contacts → | ||||
Exact match “Lineit Components was established in South Africa in 2006 with the primary focus of serving the industrial medium and high voltage electrical markets in Southern Africa and abroad.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 14 | 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 · Oct 14, 2026 · View company records in RevenueBase | |||||
| 15 | 1 contacts → | ||||
Exact match “LIVE LINE TRANSMISSION WORK - Insulator change-outs, conductor repair, spacer damper replacement, tower repairs.” Recorded in the RevenueBase company graph · Oct 14, 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 “high voltage transmission 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 15 of 40 high voltage transmission contractors based in South Africa
See the full list, filter by size, metro and specialty, and access 269 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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High voltage transmission contractors based in South Africa at a glance
As of Oct 14, 2026Companies by employee count
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 40 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 “high voltage transmission 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 269 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 14, 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 “high voltage transmission contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many high voltage transmission contractors are there based in South Africa?
RevenueBase identified 40 company matches for high voltage transmission 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?
Consolidated Power Project PTY Ltd. In Business Rescue tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most high voltage transmission contractors?
Johannesburg leads with 8 company records, followed by Pretoria (4) and Boksburg (2).
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 269 professional contacts with verified work emails tracked across these 40 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 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 40 high voltage transmission contractors based in South Africa. Start with a free account, no credit card.
Download this list →Related lists
High voltage transmission contractors by geography
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- High voltage transmission contractors based in Chile
- High voltage transmission contractors based in Colombia
- High voltage transmission contractors based in Czechia
- High voltage transmission contractors based in France
- High voltage transmission contractors based in Germany
- High voltage transmission contractors based in India
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.
More company lists
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- New lists
- High voltage transmission contractors based in Belo Horizonte, Brazil
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Company intelligence · public preview
Top 15 high voltage transmission contractors based in South Africa
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 40 matching company records for high voltage transmission contractors based in South Africa, with 933 tracked contacts and 269 verified work emails.
This public preview shows 15 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 15 high voltage transmission contractors based in South Africa
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Johannesburg, South AfricaReported employees: 1,001-5,000 | Johannesburg, South Africa | 1,001-5,000 | Exact match | 267 contacts → |
“The CONCO Group is Africa’s largest power infrastructure service provider with three decades of Africa-wide experience in transmission, distribution and power infrastructure…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Tractionel Enterprisetraction.co.zaHQ: Roodepoort, South AfricaReported employees: 501-1,000 | Roodepoort, South Africa | 501-1,000 | Exact match | 173 contacts → |
“Established in 1982, Tractionel Enterprise is a 100% Black-Owned Level 1 Electrical Construction Company with an outstanding track record in the design, supply, construction and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Trans-Africa Projectstaprojects.co.zaHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 99 contacts → |
“Trans-Africa Projects, specialist in High Voltage Services was established in 1995 as a joint venture between Fluor and Eskom to commercially apply resources and expertise in…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Adenco Construction PTY LTDadenco.co.zaHQ: Cape Town, South AfricaReported employees: 201-500 | Cape Town, South Africa | 201-500 | Exact match | 48 contacts → |
“Adenco Construction (PTY) Ltd.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Inexma Electricalinexma.co.zaHQ: Stellenbosch, South AfricaReported employees: 51-200 | Stellenbosch, South Africa | 51-200 | Exact match | 40 contacts → |
“Inexma Electrical is a Electrical construction company based in the Western Cape, South Africa” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  High Voltage Technology SAhvt.co.zaHQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 30 contacts → |
“High Voltage Technology SA (Pty) Ltd (“HVT”) provides “Can do” solutions for tough problems in the electricity transmission & distribution industry.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Tshwalec Power Projects PTY LTDtshwalec.co.za HQ: Pretoria, South AfricaReported employees: 11-50 | Pretoria, South Africa | 11-50 | Exact match | 15 contacts → |
“TSHWALEC POWER PROJECTS is a Electrical High Voltage infrastructure, reticulation & network distribution services provider.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ompetha Power Projectsompetha.com HQ: Centurion, South AfricaReported employees: 51-200 | Centurion, South Africa | 51-200 | Exact match | 13 contacts → |
“OMPETHA POWER PROJECTS is a an Electrical Construction company Specializes in MV/LV/HV infrastructure from 11kV up to 765kV CIDB Grade 8EP, CSD Compliant B-BBEE Level 1 Eskom…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Rhythm Power Solutions PTY LTDrhythmpower.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 12 contacts → |
“Our services- Full Self-Build and Own-Build Services- Network planning and master plans- System modelling and load flow simulations, network optimization, load forecasting…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  ADM Engineersadm-eng.comHQ: Centurion, South AfricaReported employees: 1-10 | Centurion, South Africa | 1-10 | Exact match | 7 contacts → |
“ADM Engineers is a multidisciplinary engineering company, focused on the energy and power sectors.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | LM Power PTY LTDlmpower.co.za HQ: City Of Tshwane, South AfricaReported employees: 51-200 | City Of Tshwane, South Africa | 51-200 | Exact match | 7 contacts → |
“Highly Dynamic Overhead Line Construction company servicing Southern Africa.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | GBC Electrical PTY LTDgbcelect.co.za HQ: Pretoria, South AfricaReported employees: 11-50 | Pretoria, South Africa | 11-50 | Exact match | 6 contacts → |
“Industrial Electrical contractors” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Lineit Componentslineit.co.zaHQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 3 contacts → |
“Lineit Components was established in South Africa in 2006 with the primary focus of serving the industrial medium and high voltage electrical markets in Southern Africa and abroad.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Intellipro Consultingintellipro.co.zaHQ: Pretoria, South AfricaReported employees: 1-10 | Pretoria, South Africa | 1-10 | Exact match | 2 contacts → |
“ZETDC Grid Connection Designs for Substations and Overhead Lines Eskom Grid Connections - Development, Design, Turnkey Grid Connections for Renewable Energy Independent Power…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Dokugesi International PTY LTDdokugesi.com HQ: Boksburg, South AfricaReported employees: 1-10 | Boksburg, South Africa | 1-10 | Exact match | 1 contacts → |
“LIVE LINE TRANSMISSION WORK - Insulator change-outs, conductor repair, spacer damper replacement, tower repairs.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 15 of 40 company matches
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High voltage transmission contractors: dataset insights
October 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
40 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 40 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for high voltage transmission contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many high voltage transmission contractors did RevenueBase find based in South Africa?
The saved snapshot records 40 matching company records, 933 tracked contacts and 269 verified emails. The public preview displays 15 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
High voltage transmission contractors by geography
- High voltage transmission contractors based in Belo Horizonte, Brazil
- High voltage transmission contractors based in Houston, United States
- High voltage transmission contractors based in Argentina
- High voltage transmission contractors based in Australia
- High voltage transmission contractors based in Brazil
- High voltage transmission contractors based in Canada
- High voltage transmission contractors based in Chile
- High voltage transmission contractors based in Colombia
- High voltage transmission contractors based in Czechia
- High voltage transmission contractors based in France
- High voltage transmission contractors based in Germany
- High voltage transmission contractors based in India
Cite this list
RevenueBase Data Team. Top 15 high voltage transmission contractors based in South Africa. Snapshot: October 14, 2026. https://revenuebase.ai/companies/high-voltage-transmission-contractors/south-africa.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- High voltage transmission contractors based in Belo Horizonte, Brazil
- High voltage transmission contractors based in Houston, United States
- High voltage transmission contractors based in Argentina
- High voltage transmission contractors based in Australia
- High voltage transmission contractors based in Brazil
- High voltage transmission contractors based in Canada
Company intelligence · public preview
Top 15 high voltage transmission contractors based in South Africa
RevenueBase records 40 matching company records for high voltage transmission contractors based in South Africa, with 933 tracked contacts and 269 verified work emails.
This public preview shows 15 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 15 high voltage transmission contractors based in South Africa
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Johannesburg, South AfricaReported employees: 1,001-5,000 | Johannesburg, South Africa | 1,001-5,000 | Exact match | 267 contacts → |
“The CONCO Group is Africa’s largest power infrastructure service provider with three decades of Africa-wide experience in transmission, distribution and power infrastructure…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Tractionel Enterprisetraction.co.za HQ: Roodepoort, South AfricaReported employees: 501-1,000 | Roodepoort, South Africa | 501-1,000 | Exact match | 173 contacts → |
“Established in 1982, Tractionel Enterprise is a 100% Black-Owned Level 1 Electrical Construction Company with an outstanding track record in the design, supply, construction and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Trans-Africa Projectstaprojects.co.za HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 99 contacts → |
“Trans-Africa Projects, specialist in High Voltage Services was established in 1995 as a joint venture between Fluor and Eskom to commercially apply resources and expertise in…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Adenco Construction PTY LTDadenco.co.za HQ: Cape Town, South AfricaReported employees: 201-500 | Cape Town, South Africa | 201-500 | Exact match | 48 contacts → |
“Adenco Construction (PTY) Ltd.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Inexma Electricalinexma.co.za HQ: Stellenbosch, South AfricaReported employees: 51-200 | Stellenbosch, South Africa | 51-200 | Exact match | 40 contacts → |
“Inexma Electrical is a Electrical construction company based in the Western Cape, South Africa” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | High Voltage Technology SAhvt.co.za HQ: Johannesburg, South AfricaReported employees: 51-200 | Johannesburg, South Africa | 51-200 | Exact match | 30 contacts → |
“High Voltage Technology SA (Pty) Ltd (“HVT”) provides “Can do” solutions for tough problems in the electricity transmission & distribution industry.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Tshwalec Power Projects PTY LTDtshwalec.co.za HQ: Pretoria, South AfricaReported employees: 11-50 | Pretoria, South Africa | 11-50 | Exact match | 15 contacts → |
“TSHWALEC POWER PROJECTS is a Electrical High Voltage infrastructure, reticulation & network distribution services provider.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ompetha Power Projectsompetha.com HQ: Centurion, South AfricaReported employees: 51-200 | Centurion, South Africa | 51-200 | Exact match | 13 contacts → |
“OMPETHA POWER PROJECTS is a an Electrical Construction company Specializes in MV/LV/HV infrastructure from 11kV up to 765kV CIDB Grade 8EP, CSD Compliant B-BBEE Level 1 Eskom…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Rhythm Power Solutions PTY LTDrhythmpower.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 12 contacts → |
“Our services- Full Self-Build and Own-Build Services- Network planning and master plans- System modelling and load flow simulations, network optimization, load forecasting…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | ADM Engineersadm-eng.com HQ: Centurion, South AfricaReported employees: 1-10 | Centurion, South Africa | 1-10 | Exact match | 7 contacts → |
“ADM Engineers is a multidisciplinary engineering company, focused on the energy and power sectors.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | LM Power PTY LTDlmpower.co.za HQ: City Of Tshwane, South AfricaReported employees: 51-200 | City Of Tshwane, South Africa | 51-200 | Exact match | 7 contacts → |
“Highly Dynamic Overhead Line Construction company servicing Southern Africa.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | GBC Electrical PTY LTDgbcelect.co.za HQ: Pretoria, South AfricaReported employees: 11-50 | Pretoria, South Africa | 11-50 | Exact match | 6 contacts → |
“Industrial Electrical contractors” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Lineit Componentslineit.co.za HQ: Johannesburg, South AfricaReported employees: 11-50 | Johannesburg, South Africa | 11-50 | Exact match | 3 contacts → |
“Lineit Components was established in South Africa in 2006 with the primary focus of serving the industrial medium and high voltage electrical markets in Southern Africa and abroad.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Intellipro Consultingintellipro.co.za HQ: Pretoria, South AfricaReported employees: 1-10 | Pretoria, South Africa | 1-10 | Exact match | 2 contacts → |
“ZETDC Grid Connection Designs for Substations and Overhead Lines Eskom Grid Connections - Development, Design, Turnkey Grid Connections for Renewable Energy Independent Power…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Dokugesi International PTY LTDdokugesi.com HQ: Boksburg, South AfricaReported employees: 1-10 | Boksburg, South Africa | 1-10 | Exact match | 1 contacts → |
“LIVE LINE TRANSMISSION WORK - Insulator change-outs, conductor repair, spacer damper replacement, tower repairs.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 15 of 40 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
High voltage transmission contractors: dataset insights
October 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
40 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 40 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for high voltage transmission contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many high voltage transmission contractors did RevenueBase find based in South Africa?
The saved snapshot records 40 matching company records, 933 tracked contacts and 269 verified emails. The public preview displays 15 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 15 high voltage transmission contractors based in South Africa. Snapshot: October 14, 2026. https://revenuebase.ai/companies/high-voltage-transmission-contractors/south-africa.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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