Company lists · Data refreshed September 2026

Top 20 Offshore infrastructure inspection companies based in South Africa

Name: Offshore infrastructure inspection companies based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 65 companies tracked

RevenueBase identified 65 company matches for offshore infrastructure inspection companies associated with South Africa as of September 2026 and tracks 1,727 professional contacts across them, including 292 with verified work emails. Cape Town is the largest hub.

This list covers company matches for offshore infrastructure inspection 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 September 20, 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 Sep 20, 2026 How this list was built

65Companies

1,727Contacts tracked

292Verified emails

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The 20 largest offshore infrastructure inspection companies based in South Africa

Ranked by team size

Top 20 of 65 company matches for offshore infrastructure inspection companies based in South Africa, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	Sgb-Cape	Exact match	Johannesburg, South AfricaHQ recorded Sep 20, 2026	10001+	383 contacts →
	Exact match “SGB-Cape is the largest industrial services company in Africa.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Southey Contracting Offshore Division	Exact match	Cape Town, South AfricaHQ recorded Sep 20, 2026	201-500	369 contacts →
	Exact match “Southey Contracting, Offshore Division (a Division of Southey Mauritius Ltd) provides specialist access, inspection, maintenance and manpower supply services to the oil & gas and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Global Riser	Exact match	Cape Town, South AfricaHQ recorded Sep 20, 2026	51-200	169 contacts →
	Exact match “Global Riser specializes in the maintenance, inspection and re-manufacture of marine drilling riser.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Axess Africa	Exact match	Cape Town, South AfricaHQ recorded Sep 20, 2026	51-200	144 contacts →
	Exact match “Axess Group creates world-class sustainable solutions for leading players in the oil and gas, wind energy, marine, and infrastructure industries worldwide.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	OSC Marine Group	Exact match	Cape Town, South AfricaHQ recorded Sep 20, 2026	51-200	104 contacts →
	Exact match “OSC Group – a forging of underwater innovation and engineering expertise.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Allweld Marine And Industrial	Exact match	Cape Town, South AfricaHQ recorded Sep 20, 2026	51-200	33 contacts →
	Exact match “Allweld, a Cape Town-based marine and industrial engineering company, has been servicing the Southern African market for over fifty years.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Rope Access Inspection Limited	Exact match	Cape Town, South AfricaHQ recorded Sep 20, 2026	11-50	31 contacts →
	Exact match “Rope Access Inspection Limited provides a specialist range of services to the salvage, oil and gas, construction, civil and petrochemical operations, including non-destructive…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Kaefer Africa	Exact match	Germiston, South AfricaHQ recorded Sep 20, 2026	n/a	30 contacts →
	Exact match “KAEFER is a leading provider of asset integrity services and solutions, specialising in Insulation, Access, Surface Protection, Passive Fire Protection, as well as Interior…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	OCTG	Exact match	Cape Town, South AfricaHQ recorded Sep 20, 2026	11-50	25 contacts →
	Exact match “OCTG presents a fresh perspective to tubular management.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Oim-Services	Exact match	Durbanville, South AfricaHQ recorded Sep 20, 2026	51-200	22 contacts →
	Exact match “OIM-Services delivers advanced inspection, asset integrity, and industrial maintenance solutions across the energy, renewables, marine, and critical infrastructure sectors.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Optimum Program	Exact match	Cape Town, South AfricaHQ recorded Sep 20, 2026	11-50	7 contacts →
	Exact match “Optimum Program is a specialist software engineering team focused on building mission-critical systems for the inspection, energy, and industrial sectors.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	HD Engineering Services	Exact match	Durban, South AfricaHQ recorded Sep 20, 2026	1-10	5 contacts →
	Exact match “HD Engineering Services is a project management company offering conventional and specialised non-destructive testing, inspection services, and industrial and marine supplies” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Verifize PTY LTD	Exact match	Cape Town, South AfricaHQ recorded Sep 20, 2026	11-50	4 contacts →
	Exact match “Verifize is a South African inspection consultancy firm, specializing in various Non-Destructive Testing (NDT) projects, ranging from oil and gas, fabrication and manufacturing to…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Dynamic Diving Services	Exact match	Durbanville, South AfricaHQ recorded Sep 20, 2026	11-50	4 contacts →
	Exact match “Dynamic Diving Services, based in the vibrant coastal landscapes of South Africa, stands as a beacon of excellence in marine engineering and underwater operations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Offshore Support Services	Exact match	Cape Town, South AfricaHQ recorded Sep 20, 2026	11-50	4 contacts →
	Exact match “We specialize in services for the Offshore Industry.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Remistar	Exact match	Hillcrest, South AfricaHQ recorded Sep 20, 2026	1-10	4 contacts →
	Exact match “The Directors of Remistar bring well over 20 years of Rope Access, NDT and Maintenance project experience to the company and are involved in every aspect of the daily technical…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Diveserv	Exact match	Durban, South AfricaHQ recorded Sep 20, 2026	1-10	2 contacts →
	Exact match “Diveserv delivers a world-class standard of service assisting with all your vessel's underwater requirements.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Structure Scan	Exact match	Johannesburg, South AfricaHQ recorded Sep 20, 2026	11-50	1 contacts →
	Exact match “We provide specialist inspection,monitoring and modelling services within the built environment industry focusing on 3 platforms: Ground Penetrating Radar, Drones and Engineering…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Baer Marine	Exact match	Johannesburg, South AfricaHQ recorded Sep 20, 2026	1-10	1 contacts →
	Exact match “Baer Marine is an independent marine surveying and consulting company that was founded by Capt.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	UAV Inspection	Exact match	Cape Town, South AfricaHQ recorded Sep 20, 2026	1-10	1 contacts →
	Exact match “UAV Inspection was founded with the goal of providing a specialist inspection service utilizing UAVs, or drones, by seasoned inspectors.” Recorded in the RevenueBase company graph · Sep 20, 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 “offshore infrastructure inspection 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 20 of 65 offshore infrastructure inspection companies based in South Africa

See the full list, filter by size, metro and specialty, and access 292 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore infrastructure inspection companies based in South Africa at a glance

As of Sep 20, 2026

16.9%Verified-email coverage

26.6Average contacts per company

11-50Median size (employees)

40.0%Largest-city concentration · Cape Town

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 65 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 “offshore infrastructure inspection 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 292 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 September 20, 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 “offshore infrastructure inspection companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore infrastructure inspection companies are there based in South Africa?

RevenueBase identified 65 company matches for offshore infrastructure inspection companies associated with South Africa as of September 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?

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

Which city has the most offshore infrastructure inspection companies?

Cape Town leads with 26 company records, followed by Durbanville (5) and Johannesburg (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 292 professional contacts with verified work emails tracked across these 65 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 September 20, 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.