Company lists · Data refreshed October 2026

Top 19 Offshore equipment fabricators based in Nigeria

RevenueBase identified 101 company matches for offshore equipment fabricators associated with Nigeria as of October 2026 and tracks 2,178 professional contacts across them, including 134 with verified work emails. Port Harcourt is the largest hub.

This list covers company matches for offshore equipment fabricators 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 October 19, 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 19, 2026 How this list was built
101Companies
2,178Contacts tracked
134Verified emails
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The 19 largest offshore equipment fabricators based in Nigeria

Ranked by team size
Top 19 of 101 company matches for offshore equipment fabricators based in Nigeria, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 19, 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 matchPort Harcourt, NigeriaHQ recorded Oct 19, 20261,001-5,000420 contacts →

Exact match

“ALCON Nigeria Limited commenced operation on the 10th day of May 1982 as MED Construction, incorporated with registration no: RC 47042.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
2Exact matchPort Harcourt, NigeriaHQ recorded Oct 19, 2026501-1,000406 contacts →

Exact match

“Aveon Offshore Limited is an engineering and fabrication services company that has been providing construction and general fabrication services for the oil and gas industry since…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3Exact matchOke-shasha, NigeriaHQ recorded Oct 19, 2026201-50098 contacts →

Exact match

“NIVAFER Engineering & Construction Limited is a steel fabrication and erection outfit offering unparalleled engineering & construction services to the Oil and Gas industry…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4Exact matchLagos, NigeriaHQ recorded Oct 19, 202651-20051 contacts →

Exact match

“With headquarters in Lagos, Nigeria, NigerStar7 is a company wholly owned by Subsea7.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5Exact matchOsubi-warri, NigeriaHQ recorded Oct 19, 2026201-50047 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6Exact matchLekki Phase 1, NigeriaHQ recorded Oct 19, 2026501-1,00039 contacts →

Exact match

“Gremoore, established in 2013, is a 100% Nigerian company and a leading indigenous provider of offshore engineering, procurement, fabrication, installation associated with…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7Exact matchPort Harcourt, NigeriaHQ recorded Oct 19, 202611-5037 contacts →

Exact match

“Summary ABOUT US: Hallmark Global Petroleum Ltd (HGP) was incorporated in 2002 as a 100% Nigerian owned and operated oil and gas Services Company.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
8Exact matchWarri, NigeriaHQ recorded Oct 19, 202611-5033 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 · Oct 19, 2026 · View company records in RevenueBase
9Exact matchPort Harcourt, NigeriaHQ recorded Oct 19, 202611-5025 contacts →

Exact match

“STELOG Ltd since its establishment in 2008 and full offtake in 2012 is involved in Drilling, Intervention and Production services in the Oil and gas value chain.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10Exact matchLagos, NigeriaHQ recorded Oct 19, 202611-5023 contacts →

Exact match

“Quest Oil and Engineering Services Limited is a value-driven company offering full-service in oil and gas, as well as engineering service.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11Exact matchKaduna, NigeriaHQ recorded Oct 19, 2026201-50022 contacts →

Exact match

“Supasteel Limited is a wholly indigenously owned Engineering Procurement and construction Company carrying out Fabrication, Installation, Repair of Static and Rotating Equipment…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
12Exact matchPort Harcourt, NigeriaHQ recorded Oct 19, 202611-5014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
13Exact matchVictoria Island, NigeriaHQ recorded Oct 19, 202611-5013 contacts →

Exact match

“At the Royal Niger we pride ourselves on providing Hydraulics, Controls, Drilling and production equipment and services to the local and international energy and marine industries.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
14Exact matchPort Harcourt, NigeriaHQ recorded Oct 19, 202611-5012 contacts →

Exact match

“Doxa Int’l Engineering Services Ltd is an engineering-based support services company bridging the gap between IOCs and OEMs.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15Exact matchLagos, NigeriaHQ recorded Oct 19, 202611-5011 contacts →

Exact match

“Timproxy operates a diversified business with a special focus on Oil and Gas, Marine, and Power industry.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
16Exact matchPort Harcourt, NigeriaHQ recorded Oct 19, 202651-2009 contacts →

Exact match

“E&P Support Services Fabrication Marine & Logistics OCTG Services Pipeline Transport Rig Moves”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
17Exact matchIbeju-lekki, NigeriaHQ recorded Oct 19, 202611-507 contacts →

Exact match

“Offshore Dimensions Limited: Leading Engineering, Procurement and Construction Management Company in Nigeria Servicing the Energy, Oil and Gas We are a renowned engineering…”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
18Exact matchLagos, NigeriaHQ recorded Oct 19, 202611-503 contacts →

Exact match

“Biddy Osa Oil and Gas Limited is one of Africa’s leading suppliers of specialized offshore engineering cabins and cargo-carrying units to the oil and gas industry.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19Exact matchOwerri, NigeriaHQ recorded Oct 19, 202611-502 contacts →

Exact match

“Ariboil Company Limited is a steel fabrication and solids control services company based out of Egbu, Owerri North L.G.A, Imo State, Nigeria.”

Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase

Showing 19 of 101 offshore equipment fabricators based in Nigeria

See the full list, filter by size, metro and specialty, and access 134 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore equipment fabricators based in Nigeria at a glance

As of Oct 19, 2026
6.2%Verified-email coverage
21.6Average contacts per company
11-50Median size (employees)
24.8%Largest-city concentration · Port Harcourt
Oct 19, 2026Page data refreshed

Companies by employee count

1-10
9
11-50
47
51-200
28
201-500
11
501-1,000
3
1,001-5,000
2

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 101 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 equipment fabricators” 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 134 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 19, 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 equipment fabricators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore equipment fabricators are there based in Nigeria?

RevenueBase identified 101 company matches for offshore equipment fabricators associated with Nigeria 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?

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

Which city has the most offshore equipment fabricators?

Port Harcourt leads with 25 company records, followed by Lagos (20) and Lagos State (7).

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 134 professional contacts with verified work emails tracked across these 101 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 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 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.