Company lists · Data refreshed October 2026

Top 25 Oil refinery maintenance contractors based in Malaysia

Name: Oil refinery maintenance contractors based in Malaysia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 22, 2026 118 companies tracked

RevenueBase identified 118 company matches for oil refinery maintenance contractors associated with Malaysia as of October 2026 and tracks 3,727 professional contacts across them, including 405 with verified work emails. Kuala Lumpur is the largest hub.

This list covers company matches for oil refinery maintenance contractors associated with Malaysia, 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 October 22, 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 Oct 22, 2026 How this list was built

118Companies

3,727Contacts tracked

405Verified emails

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The 25 largest oil refinery maintenance contractors based in Malaysia

Ranked by team size

Top 25 of 118 company matches for oil refinery maintenance contractors based in Malaysia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 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	HHA Associates SDN BHD	Exact match	Kuala Lumpur, MalaysiaHQ recorded Oct 22, 2026	501-1,000	436 contacts →
	Exact match “HHA’s core business is the provision of support and engineering services for the Oil and Gas industry.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2	Hengyuan Refining Company Berhad	Exact match	Port Dickson, MalaysiaHQ recorded Oct 22, 2026	501-1,000	321 contacts →
	Exact match “Hengyuan Refining Company Berhad (HRC), formerly known as Shell Refining Company (Federation of Malaya) Berhad (SRC), was incorporated in Malaysia on 19 September 1960.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3	UBF Maintenance SDN BHD	Exact match	Kemaman, MalaysiaHQ recorded Oct 22, 2026	201-500	289 contacts →
	Exact match “Leading in Oil, Gas and Petrochemical Plant Maintenance and Construction” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4	Jj-Lurgi	Exact match	Shah Alam, MalaysiaHQ recorded Oct 22, 2026	51-200	172 contacts →
	Exact match “Our engineering roots are in Germany; in Asia we contract ourselves locally and have established in-house a new generation of expertise attuned to our clients’ particular needs.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5	Oceancare Corporation Sdn. Bhd. Official	Exact match	Miri, MalaysiaHQ recorded Oct 22, 2026	501-1,000	165 contacts →
	Exact match “Our Vision : To be a service provider of choice for PETRONAS and the Oil & Gas industry in Malaysia and beyond Our Mission : To exceed the expectations of all our stakeholders in…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6	technomech.asia	Exact match	Puchong, MalaysiaHQ recorded Oct 22, 2026	51-200	162 contacts →
	Exact match “TECHNO MECH (M) Sdn Bhd is a privately owned Company incorporated on 12 Dec 2012.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7	Carimin Sdn. BHD	Exact match	Kuala Lumpur, MalaysiaHQ recorded Oct 22, 2026	51-200	139 contacts →
	Exact match “Carimin Sdn.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8	Tenbex Engineering Sdn. BHD	Exact match	Kuala Lumpur, MalaysiaHQ recorded Oct 22, 2026	51-200	94 contacts →
	Exact match “TENBEX Engineering Sdn Bhd (TESB) established in 2004 and currently operates business in West and East Malaysia; Main Office in KL, Branches Office in Alor Setar, Labuan & Miri…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9	Amalgamated Plant Engineering SDN BHD	Exact match	Bintulu, MalaysiaHQ recorded Oct 22, 2026	201-500	93 contacts →
	Exact match “Founded in 1994, AMAL is a Bumiputera-operated oil and gas contractor based in Bintulu, Sarawak.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10	Highbase Strategic Sdn. BHD	Exact match	Taman Melawati, MalaysiaHQ recorded Oct 22, 2026	51-200	85 contacts →
	Exact match “HIGHBASE STRATEGIC SDN BHD is a leading service provider of onshore and offshore oil & gas facilities maintenance for upstream and downstream operators.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11	TMM Engineering Services Sdn. BHD	Exact match	Kemaman, MalaysiaHQ recorded Oct 22, 2026	201-500	80 contacts →
	Exact match “TMM Engineering Services Sdn Bhd was incorporated on 7th January 1994, under Malaysian Company Act with 100% owned by Bumiputra.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12	Sanggul Emas SDN BHD	Exact match	Kuala Lumpur, MalaysiaHQ recorded Oct 22, 2026	51-200	67 contacts →
	Exact match “Established in 1990, Sanggul Emas has flourished into an industry leader, providing cutting-edge technical solutions and products to the Oil and Gas, Petrochemical and Chemical…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13	Firm Synergy SDN BHD	Exact match	Penampang, MalaysiaHQ recorded Oct 22, 2026	51-200	67 contacts →
	Exact match “Incorporated on 2 June 2008, FIRM SYNERGY SDN BHD (FSSB) is a company that certified ISO 9001:2015 based Sabah.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14	Aramis Group	Exact match	Kuala Lumpur, MalaysiaHQ recorded Oct 22, 2026	51-200	61 contacts →
	Exact match “Aramis is an International Group of companies founded in 2003 by a team of senior professionals from the Oil & Gas Industries.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15	Hydrise Solution SDN BHD	Exact match	Kuala Lumpur, MalaysiaHQ recorded Oct 22, 2026	51-200	56 contacts →
	Exact match “Hydrise Solution Sdn Bhd has professional team with collective experience in the petrochemicals, oil and gas, both in upstream and downstream related industries with the goal to…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16	Eternity Mode SDN BHD	Exact match	Kota Kinabalu, MalaysiaHQ recorded Oct 22, 2026	51-200	33 contacts →
	Exact match “Eternity Mode Sdn Bhd (EMSB) is a Sabahan oil and gas service provider company incorporated in Kota Kinabalu, Sabah on 19th September 2011.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17	Industrial Plant & Service Malaysia Berhad	Exact match	Pasir Gudang, MalaysiaHQ recorded Oct 22, 2026	51-200	29 contacts →
	Exact match “Industrial Plant and Service Malaysia Bhd.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18	Innovative Synergy Solutions ISS	Exact match	Kuala Lumpur, MalaysiaHQ recorded Oct 22, 2026	11-50	28 contacts →
	Exact match “ISS is a private company from Malaysia with presence in Southeast Asia and Middle East.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19	Dominant Energy SDN BHD	Exact match	MalaysiaHQ recorded Oct 22, 2026	51-200	26 contacts →
	Exact match “On July 24, 1995, Dominant Energy Sdn Bhd (DOMINANT) was established.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20	LENOG	Exact match	Kota Kinabalu, MalaysiaHQ recorded Oct 22, 2026	51-200	26 contacts →
	Exact match “Lenog is a visionary technical services provider and product supplier rooted in the dynamic fields of the oil, gas, and petrochemical industries.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21	Esprat	Exact match	Miri, MalaysiaHQ recorded Oct 22, 2026	51-200	24 contacts →
	Exact match “ESPRAT is a leading provider of specialized access and asset integrity services, catering to the Oil, Gas, and Petrochemical industries.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22	Boilermaster SDN BHD	Exact match	Petaling Jaya, MalaysiaHQ recorded Oct 22, 2026	11-50	23 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23	K-Frontiers SDN BHD Bopx	Exact match	Miri, MalaysiaHQ recorded Oct 22, 2026	11-50	11 contacts →
	Exact match “We are a firmly established service provider to the oil and gas industry in Malaysia.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24	Aaztech SDN BHD	Exact match	Cyberjaya, MalaysiaHQ recorded Oct 22, 2026	11-50	7 contacts →
	Exact match “AAZTECH core business is to provide engineering and technology services for the Oil & Gas and Energy Industry.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25	Diamond Offshore Sdn. BHD	Exact match	Kajang, MalaysiaHQ recorded Oct 22, 2026	1-10	7 contacts →
	Exact match “Diamond Offshore Sdn.” Recorded in the RevenueBase company graph · Oct 22, 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 “oil refinery maintenance contractors”. 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 25 of 118 oil refinery maintenance contractors based in Malaysia

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Oil refinery maintenance contractors based in Malaysia at a glance

As of Oct 22, 2026

10.9%Verified-email coverage

31.6Average contacts per company

11-50Median size (employees)

11.0%Largest-city concentration · Kuala Lumpur

Oct 22, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for Malaysia, so it is reported there. Company counts and contact totals on this page are exact for Malaysia, over 118 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 Malaysia whose business descriptions match “oil refinery maintenance contractors” 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 405 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 October 22, 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 “oil refinery maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil refinery maintenance contractors are there based in Malaysia?

RevenueBase identified 118 company matches for oil refinery maintenance contractors associated with Malaysia as of October 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?

HHA Associates SDN BHD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most oil refinery maintenance contractors?

Kuala Lumpur leads with 13 company records, followed by Miri (11) and Shah Alam (9).

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 405 professional contacts with verified work emails tracked across these 118 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 October 22, 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.