Company lists · Data refreshed September 2026

Top 16 Offshore pipeline installation contractors based in Nigeria

Name: Offshore pipeline installation contractors based in Nigeria
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 92 companies tracked

RevenueBase identified 92 company matches for offshore pipeline installation contractors associated with Nigeria as of September 2026 and tracks 1,579 professional contacts across them, including 119 with verified work emails. Port Harcourt is the largest hub.

This list covers company matches for offshore pipeline installation contractors associated with Nigeria, 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

92Companies

1,579Contacts tracked

119Verified emails

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The 16 largest offshore pipeline installation contractors based in Nigeria

Ranked by team size

Top 16 of 92 company matches for offshore pipeline installation contractors based in Nigeria, 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	Ariosh	Exact match	Lagos, NigeriaHQ recorded Sep 17, 2026	201-500	243 contacts →
	Exact match “Ariosh delivers engineering and construction services in the onshore, offshore and subsea segment of the oil and gas sector in Nigeria, West Africa.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Arion Energy Services Limited	Exact match	Lagos, NigeriaHQ recorded Sep 17, 2026	51-200	114 contacts →
	Exact match “Arion Energy Services is an engineering, projects, and operations service provider to the oil and gas, power and maritime industries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Nigerstar7 Limited	Exact match	Lagos, NigeriaHQ recorded Sep 17, 2026	51-200	48 contacts →
	Exact match “With headquarters in Lagos, Nigeria, NigerStar7 is a company wholly owned by Subsea7.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Melcurt Limited	Exact match	Osubi-warri, NigeriaHQ recorded Sep 17, 2026	201-500	45 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Subsea100 Global	Exact match	Port Harcourt, NigeriaHQ recorded Sep 17, 2026	11-50	30 contacts →
	Exact match “Overview Subsea100 Global(SHG), established in 2011, is a leading independent Offshore Services Contractor providing a range of Geophysical, Geotechnical and Subsea related…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Deepwater Engineering Limited DEL	Exact match	Warri, NigeriaHQ recorded Sep 17, 2026	11-50	29 contacts →
	Exact match “Deepwater Engineering Limited (DEL) is a multi-discipline service provider formed by experienced professionals with years of direct experience within the major offshore Oil and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Gmunu Limited	Exact match	Lekki Phase 1, NigeriaHQ recorded Sep 17, 2026	51-200	27 contacts →
	Exact match “GMUNU is a full-service Engineering Procurement and Construction Company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Seflam SGL	Exact match	Victoria Island, NigeriaHQ recorded Sep 17, 2026	201-500	16 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Deep Water Consultancy & Engineering Services LTD	Exact match	Lekki, NigeriaHQ recorded Sep 17, 2026	11-50	15 contacts →
	Exact match “DeepWater Consultancy & Engineering Services Limited is an Independent Oil and Gas Subsea technology, Pipeline management and Field development engineering consultancy company…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Tethys Plantgeria LTD	Exact match	Port Harcourt, NigeriaHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Offshore Dimensions Limited	Exact match	Lagos, NigeriaHQ recorded Sep 17, 2026	11-50	11 contacts →
	Exact match “Offshore Dimensions Limited is a Nigerian EPC company that is committed to building engineering and construction capabilities in Nigeria.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Fadfae Engineering Services Limited	Exact match	Lekki, NigeriaHQ recorded Sep 17, 2026	11-50	8 contacts →
	Exact match “We are an Independent Oil and Gas Engineering Company established by a group of professionals with local and international oil and gas experience to provide bespoke Pipeline…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	African Star Energies LTD	Exact match	Port Harcourt, NigeriaHQ recorded Sep 17, 2026	51-200	7 contacts →
	Exact match “A privately owned company established in 2008,offeringg a portfolio of products and services tailored to answer the ever-increasing demand for locally sourced support in the…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	MJD Oilfield Services Limited	Exact match	Port Harcourt, NigeriaHQ recorded Sep 17, 2026	51-200	5 contacts →
	Exact match “With nearly a decade of operations, MJD Oilfield Services Limited has become a unique provider of solutions to the Nigerian oil and gas industry with dynamic expertise in…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Lionsteel Group	Exact match	Abuja, NigeriaHQ recorded Sep 17, 2026	11-50	5 contacts →
	Exact match “LionSteels' executive shareholders have over 50 years of experience in the pipeline industry, providing Supply and Installation of pipelines in Mali, Guinea, Ghana, Nigeria, Congo…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Ethan Petroleum & GAS Limited	Exact match	Lagos, NigeriaHQ 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 “offshore pipeline installation 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 16 of 92 offshore pipeline installation contractors based in Nigeria

See the full list, filter by size, metro and specialty, and access 119 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore pipeline installation contractors based in Nigeria at a glance

As of Sep 17, 2026

7.5%Verified-email coverage

17.2Average contacts per company

11-50Median size (employees)

27.2%Largest-city concentration · Port Harcourt

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 Nigeria, so it is reported there. Company counts and contact totals on this page are exact for Nigeria, over 92 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 Nigeria whose business descriptions match “offshore pipeline installation 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 119 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 “offshore pipeline installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore pipeline installation contractors are there based in Nigeria?

RevenueBase identified 92 company matches for offshore pipeline installation contractors associated with Nigeria 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?

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

Which city has the most offshore pipeline installation contractors?

Port Harcourt leads with 25 company records, followed by Lagos (17) and Lagos State (8).

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 119 professional contacts with verified work emails tracked across these 92 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.