Company lists · Data refreshed November 2026

Top 25 Interchange design engineers based in South Africa

RevenueBase identified 393 company matches for interchange design engineers associated with South Africa as of November 2026 and tracks 10,087 professional contacts across them, including 4,001 with verified work emails. Johannesburg is the largest hub.

This list covers company matches for interchange design engineers 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
393Companies
10,087Contacts tracked
4,001Verified emails
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The 25 largest interchange design engineers based in South Africa

Ranked by team size
Top 25 of 393 company matches for interchange design engineers 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCity Of Tshwane, South AfricaHQ recorded Nov 6, 20261,001-5,0002,095 contacts →

Exact match

“Zutari is a buildings and infrastructure engineering and advisory practice with a proud legacy of over 90 years; deeply committed to 32 existing offices across 17 countries in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 2026501-1,000672 contacts →

Exact match

“We are one of the world’s leading professional services firms, uniting our engineering, advisory and science-based expertise to shape communities to advance humanity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWaterfall, South AfricaHQ recorded Nov 6, 2026501-1,000570 contacts →

Exact match

“GIBB is a leading multi-disciplinary engineering consulting company based in South Africa with 67% Black ownership.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPretoria, South AfricaHQ recorded Nov 6, 2026201-500488 contacts →

Exact match

“BVi is a Multi-Disciplinary Engineering Firm.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDurban, South AfricaHQ recorded Nov 6, 2026201-500211 contacts →

Exact match

“Bosch Projects is a proud member of the Bosch Holdings group of engineering, construction and operations management companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchDurban, South AfricaHQ recorded Nov 6, 2026201-500199 contacts →

Exact match

“Naidu Consulting is positioned at the cutting-edge of civil and structural engineering in South Africa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBryanston, South AfricaHQ recorded Nov 6, 2026201-500147 contacts →

Exact match

“UWP Consulting (Pty) Ltd is a dynamic civil and structural engineering consulting practice that provides multidisciplinary services to clients across South Africa and in several…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchCape Town, South AfricaHQ recorded Nov 6, 202651-200125 contacts →

Exact match

“HHO is a world-class infrastructure engineering company with a wealth of experience and an innovative approach that delivers meticulously thought-through projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCity Of Tshwane, South AfricaHQ recorded Nov 6, 202651-200117 contacts →

Exact match

“We are a team of Professional Engineers, Technical specialists and Project Managers organised to provide specialized consulting and management services within the Engineering and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBryanston, South AfricaHQ recorded Nov 6, 2026201-500117 contacts →

Exact match

“Mariswe is a company that has transformed and matured since our company's inception over 50 years ago.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchCape Town, South AfricaHQ recorded Nov 6, 202651-200115 contacts →

Exact match

“Sutherland is a multi-disciplinary consulting engineering company with offices in Cape Town, Johannesburg, Durban, and Nairobi, Multidisciplinary sub-disciplines include…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchPretoria, South AfricaHQ recorded Nov 6, 2026201-500114 contacts →

Exact match

“SNA Civil & Structural Engineers (Pty) Ltd is a Civil and Structural Consulting Engineering Services Company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPretoria, South AfricaHQ recorded Nov 6, 202651-200105 contacts →

Exact match

“KBK ENGINEERS Pty Ltd is a civil engineering company based out of South Africa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMidrand, South AfricaHQ recorded Nov 6, 202651-200104 contacts →

Exact match

“Consulting Engineering Company situated in Midrand, Gauteng specializing in civil engineering design, supervision, project management, land use, town planning, quantity surveying…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchIrene, South AfricaHQ recorded Nov 6, 2026201-500102 contacts →

Exact match

“TDS Projects is a dynamic, medium-sized construction company based in Irene, Pretoria.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchPretoria, South AfricaHQ recorded Nov 6, 2026201-50095 contacts →

Exact match

“As a V3 Consulting Engineers’ family, we pride ourselves in providing professional services to our wide client base.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 2026501-1,00074 contacts →

Exact match

“Semane Engineering Solutions (Pty) Ltd is an independent South African multi-disciplinary consulting company that provides project management and engineering solutions in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchEast London, South AfricaHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“Lukhozi Consulting Engineers (Pty) Ltd is a Level 1 B-BBEE contributor and a leading multi-disciplinary professional engineering consultancy that offers a professional service…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMidrand, South AfricaHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“Engineering, Management & Specialised Technical Expertise GladAfrica Group is a multidisciplinary built environment consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchPretoria, South AfricaHQ recorded Nov 6, 202611-5063 contacts →

Exact match

“Our professional services include Structural, Civil, Traffic, Transportation Engineering, Town Planning as well as Project Management and Delivery in the following disciplines…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchDurban, South AfricaHQ recorded Nov 6, 202651-20058 contacts →

Exact match

“ENsync Engineers, a multi-disciplinary engineering practice with offices in Johannesburg, Cape Town and Durban.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchJohannesburg, South AfricaHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“Lidwala Consulting Engineers (SA)(Pty) Ltd is a multi-disciplinary medium sized consultancy with its headquarters in Johannesburg, South Africa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMidrand, South AfricaHQ recorded Nov 6, 2026201-50054 contacts →

Exact match

“AM Consulting Engineers (Pty) Ltd (AMCE) provides professional engineering and consulting services to the public and private infrastructure sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchPretoria, South AfricaHQ recorded Nov 6, 202611-5054 contacts →

Exact match

“ARQ is an award winning consulting engineering firm with a reputation as being a leader in South Africa in our specialist fields of dams & hydro, geotech and bridges.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchGroenkloof, South AfricaHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“We offer fully fledged multidisciplinary services, including civil engineering, structural engineering, mechanical, process- and electrical engineering, building services, water…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 393 interchange design engineers based in South Africa

See the full list, filter by size, metro and specialty, and access 4,001 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Interchange design engineers based in South Africa at a glance

As of Nov 6, 2026
39.7%Verified-email coverage
25.7Average contacts per company
11-50Median size (employees)
10.4%Largest-city concentration · Johannesburg
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
187
11-50
147
51-200
38
201-500
14
501-1,000
3
1,001-5,000
2

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 393 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 “interchange design engineers” 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 4,001 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 “interchange design engineers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many interchange design engineers are there based in South Africa?

RevenueBase identified 393 company matches for interchange design engineers 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?

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

Which city has the most interchange design engineers?

Johannesburg leads with 41 company records, followed by Cape Town (34) and Pretoria (34).

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 4,001 professional contacts with verified work emails tracked across these 393 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.