Company lists · Data refreshed September 2026
Top 25 Computer system integrators based in Singapore
RevenueBase identified 129 computer system integrators headquartered in Singapore as of September 2026 and tracks 1,974 professional contacts across them, including 396 with verified work emails. Singapore is the largest hub.
This list covers computer system integrators headquartered in Singapore, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 25 largest computer system integrators based in Singapore
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 387 contacts → | ||||
Strong evidence “PCSS is a Singapore-based systems integrator with more than 25 years of experience and accolades in providing secure, reliable and state-of-the-art security solutions.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 137 contacts → | ||||
Strong evidence “PrimusTech Private Limited is a Master Systems Integrator (MSI) for buildings and facilities.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 118 contacts → | ||||
Partial evidence “VDL Enabling Technologies Group Singapore operates in the business of system integration of mechatronic (sub)systems and modules for OEMs in the high-tech capital equipment…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 97 contacts → | ||||
Strong evidence “9 Dots Consulting is a regional Microsoft-focused systems integrator and independent software vendor (SI–ISV) that helps organisations standardise, modernise, and scale their core…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 86 contacts → | ||||
Indirect evidence “PTC was incorporated in 1991.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 75 contacts → | ||||
Strong evidence “OneSystems Technologies is a Singapore-based systems integrator and critical infrastructure partner delivering integrated OT and IT solutions for mission-critical environments…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 70 contacts → | ||||
Partial evidence “Since our incorporation in 2003, Terra Systems has become the performance and value leader in IT systems integration which offers customized, efficient, and cost-effective…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 43 contacts → | ||||
Strong evidence “Styxtech.Systems is a leading global IT infrastructure reseller and systems integrator, offering a full range of innovative solutions to businesses worldwide.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 40 contacts → | ||||
Strong evidence “3Si is a leading Systems Integrator providing end-to-end Security solutions and technologies to organizations operating in complex and mission critical environments.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 32 contacts → | ||||
Strong evidence “DELTEQ is one of the first local Systems Integrators established in Singapore since 1992.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 32 contacts → | ||||
Strong evidence “Malifax has been a leading system integrator since 1985, in developing high-speed Internet access solutions to enable businesses to increase productivity, streamline business…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 31 contacts → | ||||
Indirect evidence “Yi-Ke Innovations, Your Technology Partner Yi-Ke Innovations was founded by a group of highly distinguished, experienced and visionary veterans in the field of Datacentres IT…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 28 contacts → | ||||
Indirect evidence “Established in Singapore since 2002, NEX CorporateIT has a solid track record of revolutionizing the role of information technology in business processes for the financial…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 27 contacts → | ||||
Strong evidence “Acepak is a system integrator with offices in Singapore, Taiwan, Hong Kong, and Shenzhen.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 20 contacts → | ||||
Strong evidence “As Singapore’s leading multimedia system integrator, Electro-Acoustics Systems Pte Ltd (EAS) works in synergy with our clients to provide value beyond what technology can offer.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 20 contacts → | ||||
Indirect evidence “COMNET has been helping businesses to stay competitive by implementing innovative solutions that ensure the reliability, scalability and overall performance of their complex…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 19 contacts → | ||||
Indirect evidence “Here at Evantek, we develop and drive innovative ideals in order to utilize the effectiveness of modern technology to set new standards in the service industry.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 19 contacts → | ||||
Strong evidence “ZPA is a world class integrator for power, control, and system solutions.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 16 contacts → | ||||
Indirect evidence “Over the years, Hyper Communications has built up superior core competencies by plugging into technology expertise.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 15 contacts → | ||||
Indirect evidence “Founded in 1983, Advantech is a leader in providing trusted, innovative products, services, and solutions.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 15 contacts → | ||||
Indirect evidence “Sancro Pte Ltd: Your Trusted IT Solution Partner Since 2018, Sancro has been a professional IT Solution Partner, providing comprehensive project solutions from concept to…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 15 contacts → | ||||
Partial evidence “MQ Communications Pte Ltd is a full service, structural cabling / Systems / Network Integration company that specializes in providing complete technology solutions for commercial…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 13 contacts → | ||||
Strong evidence “ABOUT US Remora Networks Solutions Pte Ltd is an ICT System Integrator incorporated by Mr.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 12 contacts → | ||||
Indirect evidence “Edlution is a provider of IT consulting services and custom software development.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 11 contacts → | ||||
Strong evidence “Factronics Systems Engineering is a Systems Integrator specialising in turnkey Factory Automation solutions.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: computer system integrators. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names computer system integrators.
- Partial evidence
- Its own public description names part of computer system integrators, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name computer system integrators. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 129 computer system integrators based in Singapore
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Computer system integrators based in Singapore at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Singapore, so it is reported there. Company counts and contact totals on this page are exact for Singapore, over 129 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among computer system integrators, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Singapore whose own description of what they do matches “computer system integrators”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names computer system integrators), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among computer system integrators, and records with no verified work email. Companies headquartered outside Singapore are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 396 across the full list. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Computer system integrators by metro
- Computer system integrators in Singapore115
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names computer system integrators, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many computer system integrators are there based in Singapore?
RevenueBase identified 129 computer system integrators headquartered in Singapore as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
PCSS, headquartered in Singapore, tops this list with the largest team on record.
Which city has the most computer system integrators?
Singapore leads with 115 headquartered companies, followed by Ang Mo Kio (1) and Bukit Merah (1).
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 396 verified decision-maker contacts tracked across these 129 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 Smart Search, 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.
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