Company lists · Data refreshed November 2026

Top 24 Subsea environmental consultants based in Indonesia

RevenueBase identified 119 company matches for subsea environmental consultants associated with Indonesia as of November 2026 and tracks 3,007 professional contacts across them, including 727 with verified work emails. Jakarta is the largest hub.

This list covers company matches for subsea environmental consultants associated with Indonesia, 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 November 6, 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 Nov 6, 2026 How this list was built
119Companies
3,007Contacts tracked
727Verified emails
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The 24 largest subsea environmental consultants based in Indonesia

Ranked by team size
Top 24 of 119 company matches for subsea environmental consultants based in Indonesia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBandung, IndonesiaHQ recorded Nov 6, 2026201-500327 contacts →

Exact match

“KWARSA HEXAGON is an independent consultant company founded in the year of 1982.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 202651-200150 contacts →

Exact match

“PT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchJakarta, IndonesiaHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“PT Asiatek Energi Mitratama (AEM), established in 2017, is an independent engineering company providing leading edge engineering, design and consultancy services to the oil and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchTangerang Selatan, IndonesiaHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“PT Hydrocore an Indonesian company was established in 2006, have many experiences in geotechnical work (including Resistivity Survey) in Indonesia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“PT Advanced Offshore Services is a trusted partner in the oil and gas industry, specializing in Subsea Engineering, Offshore Construction, Project Management, Diving, and ROV…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchJakarta, IndonesiaHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“Oryx maintains a comprehensive inventory of national and expatriate consultants to support the professional expertise essential for today’s high standard requirements in a highly…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“We are the most Marine and Offshore Services Company, Providing, Underwater Work Services, Diver and ROV Support, Ultra Tickness Measurement, Acess Rope, Shipping Management and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 202651-20044 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“Sahabat Nusantara Teknologi Inovasi (SANTI) was established as a Consultant in Oil, Gas and Petrochemical.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBogor, IndonesiaHQ recorded Nov 6, 202651-20036 contacts →

Exact match

“Hatfield is a pioneer in the field of environmental services in Indonesia, with our first local office established in 1990 in Bogor, West Java.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchTengerang Selatan, IndonesiaHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“Abadi Cemerlang is recognized in Indonesia Marine insurance market as one of the reputable independent Marine Surveyors, and for many of years served as a member of the P&I Club…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“Professional consultant for Solar PV, Oil and Gas, & Subsea Projects”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBogor (kab.), IndonesiaHQ recorded Nov 6, 202651-20030 contacts →

Exact match

“PT Geo Sinergi Utama, through its brand GeoSynergy Solution, is a Jakarta-based engineering and consulting company specializing in geotechnical, hydrogeological, environmental…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBandung, IndonesiaHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Reka Elang Inovasi is a consulting firm specializing in engineering services in the oil and gas sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSurabaya, IndonesiaHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Rizqu Konsultan is a mining, environmental, and water resources consultancy providing integrated, data-driven solutions to support smarter and more responsible mining operations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchJakarta, IndonesiaHQ recorded Nov 6, 202651-20023 contacts →

Exact match

“GDA Group of Companies is a national private company in the field of research-based geology consultancy mainly in oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBekasi, IndonesiaHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Perusahaan yang bergerak di Environmental, yang meliputi HSE Consultant & Tranning Service, Online water monitoring, Environmental permitting, AMDAL/UKL/UPL dan Trading…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchDki Jakarta, IndonesiaHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Atlantis Subsea Indonesia is an integrated provider of safe, high quality, innovative services and technologies for the subsea industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBali, IndonesiaHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“PT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“PT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“PT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchDenpasar Selatan, IndonesiaHQ recorded Nov 6, 20261-108 contacts →

Exact match

“Established in 2007, PNCI is an international consulting and project management firm, based in Bali and incorporated under the laws of Indonesia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBatam, IndonesiaHQ recorded Nov 6, 20261-106 contacts →

Exact match

“PT.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 20261-103 contacts →

Exact match

“OUR SERVICES: Spatial and Remote Sensing Analysis Metocean Data Processing Climate Analysis Coastal and River Modelling Ocean Research Konfersi Course Series Private Course”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 24 of 119 subsea environmental consultants based in Indonesia

See the full list, filter by size, metro and specialty, and access 727 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Subsea environmental consultants based in Indonesia at a glance

As of Nov 6, 2026
24.2%Verified-email coverage
25.3Average contacts per company
11-50Median size (employees)
10.9%Largest-city concentration · Jakarta
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
33
11-50
58
51-200
24
201-500
3
1,001-5,000
1

Email recency for this list is measured worldwide rather than for Indonesia, so it is reported there. Company counts and contact totals on this page are exact for Indonesia, over 119 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 Indonesia whose business descriptions match “subsea environmental consultants” 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 727 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 November 6, 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 “subsea environmental consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many subsea environmental consultants are there based in Indonesia?

RevenueBase identified 119 company matches for subsea environmental consultants associated with Indonesia as of November 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?

Pt. Kwarsa Hexagon tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most subsea environmental consultants?

Jakarta leads with 13 company records, followed by Dki Jakarta (10) and Jakarta Selatan Dki Jakarta (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 727 professional contacts with verified work emails tracked across these 119 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 November 6, 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.