Company lists · Data refreshed September 2026

Top 25 Seabed mining contractors based in Australia

Name: Seabed mining contractors based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 75 companies tracked

RevenueBase identified 75 company matches for seabed mining contractors associated with Australia as of September 2026 and tracks 1,954 professional contacts across them, including 597 with verified work emails. Wangara is the largest hub.

This list covers company matches for seabed mining contractors associated with Australia, 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 September 17, 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 Sep 17, 2026 How this list was built

75Companies

1,954Contacts tracked

597Verified emails

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The 25 largest seabed mining contractors based in Australia

Ranked by team size

Top 25 of 75 company matches for seabed mining contractors based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Boskalis Offshore Energy	Exact match	Perth, AustraliaHQ recorded Sep 17, 2026	201-500	1,029 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Hall Contracting	Exact match	Buderim, AustraliaHQ recorded Sep 17, 2026	51-200	165 contacts →
	Exact match “Hall Contracting is Australia’s largest privately-owned dredging, civil and marine construction company with offices in South East Asia, the Pacific Islands and Australia.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Pacific Marine Group	Exact match	Townsville, AustraliaHQ recorded Sep 17, 2026	51-200	117 contacts →
	Exact match “Who Are We?” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Ranger Drilling	Exact match	Perth, AustraliaHQ recorded Sep 17, 2026	51-200	50 contacts →
	Exact match “Ranger Drilling Services has become one of the major mining contractors to some of Australia’s biggest miners.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	SMC Marine	Exact match	Rozelle, AustraliaHQ recorded Sep 17, 2026	51-200	36 contacts →
	Exact match “Established in 2001, SMC Marine is a maritime contractor with a wide range of marine construction capabilities.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Commercial Marine Group PTY LTD	Exact match	Murarrie, AustraliaHQ recorded Sep 17, 2026	11-50	33 contacts →
	Exact match “At Commercial Marine Group, we provide trusted, innovative and sustainable marine construction solutions, ensuring the safety, longevity, and success of critical infrastructure.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Franmarine	Exact match	Henderson, AustraliaHQ recorded Sep 17, 2026	51-200	25 contacts →
	Exact match “Franmarine is a diversified marine and underwater service provider to the Defence, Shipping, Infrastructure and Resource industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Polaris Marine Constructions PTY LTD	Exact match	Rozelle, AustraliaHQ recorded Sep 17, 2026	11-50	18 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	UAM TEC	Exact match	Campbellfield, AustraliaHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “UAM Tec's mission is to provide state-of-the-art solutions for subsea and underground exploration, mapping, and monitoring, utilizing advanced technologies such as vehicles…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	MGN Civil	Exact match	Hemmant, AustraliaHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “MGN Civil is a marine civil contractor specialising in the construction of seawalls, ground improvement, wick drain installation, land reclamation, bulk earthworks, land…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Plus Pumps	Exact match	Welshpool, AustraliaHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “Australia's leading provider of advanced pumping and dredging solutions for mining, construction, and industrial sectors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Geomarine	Exact match	Wangara, AustraliaHQ recorded Sep 17, 2026	11-50	10 contacts →
	Exact match “Geomarine is an employee-owned, Australian-grown marine construction company delivering services to clients in the Transport, Defence and Infrastructure sectors.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Apex Envirocare	Exact match	Wangara, AustraliaHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “Apex Envirocare is a wholly owned Australian company specialising in innovative solutions to a variety of environmental water related problems.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	East West Dive & Salvage	Exact match	Port Adelaide, AustraliaHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “East West Dive and Salvage have been in operation since 1996.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	East Coast Maritime	Exact match	Gladstone, AustraliaHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “East Coast Maritime has a well established reputation of consistently delivering small to medium size contracting services to the Australian and Asia Pacific Maritime Sector.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Shorewater Marine PTY LTD	Exact match	Wangara, AustraliaHQ recorded Sep 17, 2026	11-50	7 contacts →
	Exact match “Shorewater Marine Pty Ltd is a Commercial Diving, Marine Construction and Marine Asset maintenance service provider operating in Western Australia.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Subsea PTY LTD	Exact match	Brisbane, AustraliaHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “Subsea Pty Ltd is a professional marine company offering a wide range of subsea services in support of environmental and engineering surveys and assessments.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Waters Marine	Exact match	Arundel, AustraliaHQ recorded Sep 17, 2026	1-10	4 contacts →
	Exact match “Waters Marine has extensive experience in all fields of underwater construction in Australia.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	GPM Marine Constructions	Exact match	Chatswood, AustraliaHQ recorded Sep 17, 2026	11-50	3 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	TK Marine	Exact match	Melbourne, AustraliaHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Dredging and Marine Contractors based in Melbourne Australia” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Australasian Marine Associates	Exact match	St. Kilda, AustraliaHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “Offering the best in marine environmental engineering consulting and dredging services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Harcan Marine & Diving	Exact match	Gold Coast, AustraliaHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “Harcan Marine is an ISO accredited commercial diving and marine construction company based in Queensland.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	HME Harbrow Mining Equipment	Exact match	Acacia Hills, AustraliaHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Tetris Environmental PTY LTD	Exact match	Alfred Cove, AustraliaHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match “We help resource explorers, operators and infrastructure providers to deliver environmental services at every stage of their mining or project life cycle.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	East Coast Marine Contracting	Exact match	Villers-la-ville, AustraliaHQ recorded Sep 17, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 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 “seabed mining 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 75 seabed mining contractors based in Australia

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Seabed mining contractors based in Australia at a glance

As of Sep 17, 2026

30.6%Verified-email coverage

26.1Average contacts per company

11-50Median size (employees)

10.7%Largest-city concentration · Wangara

Sep 17, 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 Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 75 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 Australia whose business descriptions match “seabed mining 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 597 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 September 17, 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 “seabed mining contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many seabed mining contractors are there based in Australia?

RevenueBase identified 75 company matches for seabed mining contractors associated with Australia as of September 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?

Boskalis Offshore Energy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most seabed mining contractors?

Wangara leads with 8 company records, followed by Perth (5) and Brisbane (3).

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 597 professional contacts with verified work emails tracked across these 75 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 September 17, 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.