Company lists · Data verified August 2026

Top 25 Enterprise IT infrastructure companies based in South Africa

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 577 companies tracked

There are 577 enterprise IT infrastructure companies headquartered in South Africa (RevenueBase, August 2026). RevenueBase tracks 12,629 professional contacts across them, including 3,422 with verified work emails and 409 with mobile numbers. Johannesburg is the largest hub.

This list covers enterprise IT infrastructure companies headquartered in South Africa, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

577Companies

12,629Contacts tracked

3,422Verified emails

409Mobile numbers

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The 25 largest enterprise IT infrastructure companies based in South Africa

Ranked by team size

Top 25 of 577 enterprise IT infrastructure companies based in South Africa, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Altron Digital Business	Johannesburg	1,001-5,000	2,911	863
2	EOH	Johannesburg	1,001-5,000	2,095	264
3	Nexio South Africa	Cape Town	501-1,000	571	303
4	Dimension Data UKI	Johannesburg	1,001-5,000	543	36
5	Reflex	Johannesburg	51-200	204	119
6	Three6five	Cape Town	201-500	139	40
7	Tangent Solutions	Midrand	501-1,000	130	88
8	Makwait	Johannesburg	51-200	114	54
9	Providence Software Solutions	Sandton	51-200	98	24
10	Network Configurations - Netconfig	Natal	51-200	79	53
11	Cocre8 Technology Solutions PTY LTD	Midrand	51-200	75	34
12	Khauleza IT Solutions PTY LTD	City Of Tshwane	51-200	69	16
13	Advanced Infrastructure	Durban	201-500	68	49
14	Aves Cyber Security	Johannesburg	51-200	64	35
15	IT Naledi Solutions	Cape Town	51-200	64	25
16	ZINIA	Paulshof	51-200	63	39
17	Condorgreen	Cape Town	51-200	63	38
18	Cloudbox	Cape Town	51-200	60	51
19	Blue Networks And Infrastructure PTY LTD	Midrand	51-200	59	37
20	EAS	Midrand	51-200	57	14
21	Nkqubela Technologies CC	East London	51-200	56	28
22	Network Alliance	Centurion	51-200	48	32
23	CCI Technology Solutions	Roodepoort	51-200	48	19
24	Accelerit Technologies	Johannesburg	51-200	47	29
25	Phungela	Pietermaritzburg	51-200	44	16

Showing 25 of 577 enterprise IT infrastructure companies based in South Africa

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Enterprise IT infrastructure companies based in South Africa at a glance

As of Aug 28, 2026

11-50Median size (employees)

JohannesburgLargest hub · 134 HQs

409Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

273

11-50

227

51-200

201-500

501-1,000

1,001-5,000

10001+

Enterprise IT infrastructure companies by metro

Metro	Companies
Enterprise IT infrastructure companies in Johannesburg	134
Enterprise IT infrastructure companies in Cape Town	72
Enterprise IT infrastructure companies in Pretoria	33
Enterprise IT infrastructure companies in Midrand	24
Enterprise IT infrastructure companies in Centurion	22
Enterprise IT infrastructure companies in Sandton	20
Enterprise IT infrastructure companies in Durban	18
Enterprise IT infrastructure companies in Randburg	15

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “enterprise IT infrastructure companies”, with match quality audited by blind human judging, and headquartered in South Africa.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many enterprise IT infrastructure companies are there based in South Africa?

There are 577 enterprise IT infrastructure companies headquartered in South Africa as of August 2026 (RevenueBase).

What is the largest company on this list?

Altron Digital Business, headquartered in Johannesburg, tops this list with the largest team on record.

Which city has the most enterprise IT infrastructure companies?

Johannesburg leads with 134 headquartered companies, followed by Cape Town (72) and Pretoria (33).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,422 verified decision-maker contacts tracked across these 577 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.