Company lists · Data verified August 2026

Top 25 Control systems integrators based in South Africa

Name: Control systems integrators based in South Africa
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 181 companies tracked

There are 181 control systems integrators headquartered in South Africa (RevenueBase, August 2026). RevenueBase tracks 1,576 professional contacts across them, including 453 with verified work emails and 51 with mobile numbers. Johannesburg is the largest hub.

This list covers control systems integrators 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.

181Companies

1,576Contacts tracked

453Verified emails

51Mobile numbers

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The 25 largest control systems integrators based in South Africa

Ranked by team size

Top 25 of 181 control systems integrators 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	S4 Integration	Nelson Mandela Bay	201-500	193	100
2	ISF SFP PTY LTD	Cape Town	51-200	86	39
3	Directech	Randburg	201-500	85	29
4	Philco Systems	Richards Bay Kwazulunatal	51-200	54	17
5	Afrilek Automation PTY LTD	Edenvale	11-50	53	29
6	Control Systems Integration PTY LTD	Centurion	51-200	47	18
7	4sight OT Automation	Germiston	51-200	44	23
8	Valknut Automation	Port Elizabeth	11-50	36	2
9	Novatec South Africa	Centurion	11-50	34	20
10	Oculus Operational Innovations	Somerset West	11-50	31	9
11	Womsebenzi Services	Germiston	51-200	25	11
12	AM Systems Integration	Boksburg	11-50	25	1
13	Njcsi PTY LTD	Durban	11-50	21	16
14	Integ System Integrators	Somerset West	11-50	18	12
15	Advansys PTY LTD	n/a	11-50	17	14
16	Industrial Data Xchange IDX	Fourways Johannesburg	11-50	16	6
17	Process Dynamics	Kempton Park	11-50	16	5
18	Electronic & Power Manufacturing	East London	11-50	15	9
19	Lodicon	Pretoria	11-50	11	8
20	M & M Electronics	Drakenstein	11-50	11	6
21	Savtech PTY LTD	Port Elizabeth	11-50	10	5
22	Instramac	Spartan	11-50	9	2
23	Mechatronics SA	Port Elizabeth	51-200	9	1
24	Quantum Fire And Access	Tokai	11-50	9	1
25	Fire & Instrument Services	Cape Town	11-50	8	3

Showing 25 of 181 control systems integrators based in South Africa

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Control systems integrators based in South Africa at a glance

As of Aug 28, 2026

1-10Median size (employees)

JohannesburgLargest hub · 21 HQs

51Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

100

11-50

51-200

201-500

Control systems integrators by metro

Metro	Companies
Control systems integrators in Johannesburg	21
Control systems integrators in Cape Town	19
Control systems integrators in Pretoria	13
Control systems integrators in Randburg	9
Control systems integrators in Port Elizabeth	7
Control systems integrators in Centurion	6
Control systems integrators in Kempton Park	5
Control systems integrators in City Of Tshwane	4

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 “control systems integrators”, 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; 2 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 control systems integrators are there based in South Africa?

There are 181 control systems integrators headquartered in South Africa as of August 2026 (RevenueBase).

What is the largest company on this list?

S4 Integration, headquartered in Nelson Mandela Bay, tops this list with the largest team on record.

Which city has the most control systems integrators?

Johannesburg leads with 21 headquartered companies, followed by Cape Town (19) and Pretoria (13).

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 453 verified decision-maker contacts tracked across these 181 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.