Company lists · Data refreshed September 2026
Top 18 Offshore platform manufacturers based in Nigeria
RevenueBase identified 104 offshore platform manufacturers headquartered in Nigeria as of September 2026 and tracks 2,245 professional contacts across them, including 371 with verified work emails. Port Harcourt is the largest hub.
This list covers offshore platform manufacturers headquartered in Nigeria, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 14, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 18 largest offshore platform manufacturers based in Nigeria
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 315 contacts → | ||||
Indirect evidence “Dover Engineering Limited is a reputable Engineering Design,EPC, Operations & Maintenance Company.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 2 | 243 contacts → | ||||
Partial evidence “Ariosh delivers engineering and construction services in the onshore, offshore and subsea segment of the oil and gas sector in Nigeria, West Africa.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 3 | 220 contacts → | ||||
Indirect evidence “A foremost provider of Engineering, Procurement, Construction, & Installation Services to the Nigerian Oil and Gas Industry.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 4 | 139 contacts → | ||||
Indirect evidence “Kohasa Engineering Company Limited is an oil and energy company based out of Plot 474, Trans Amadi industrial layout, Port Harcourt, RIVERS, Nigeria.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 5 | 48 contacts → | ||||
Indirect evidence “With headquarters in Lagos, Nigeria, NigerStar7 is a company wholly owned by Subsea7.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 6 | 45 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 7 | 35 contacts → | ||||
Partial evidence “Gremoore, established in 2013, is a 100% Nigerian company and a leading indigenous provider of offshore engineering, procurement, fabrication, installation associated with…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 8 | 27 contacts → | ||||
Indirect evidence “GMUNU is a full-service Engineering Procurement and Construction Company.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 9 | 21 contacts → | ||||
Indirect evidence “Quest Oil and Engineering Services Limited is a value-driven company offering full-service in oil and gas, as well as engineering service.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 10 | 13 contacts → | ||||
Indirect evidence “Doxa Int’l Engineering Services Ltd is an engineering-based support services company bridging the gap between IOCs and OEMs.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 11 | 11 contacts → | ||||
Partial evidence “Offshore Dimensions Limited is a Nigerian EPC company that is committed to building engineering and construction capabilities in Nigeria.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 12 | 11 contacts → | ||||
Indirect evidence “Timproxy operates a diversified business with a special focus on Oil and Gas, Marine, and Power industry.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 13 | 10 contacts → | ||||
Indirect evidence “CD PRINCETON NIGERIA LIMITED is a fully registered company in Nigeria with the aim to deliver highly quality, cost effective and timely services and products to clients with its…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 14 | 10 contacts → | ||||
Indirect evidence “Selex Engineering & Construction Company Limited is an indigenous engineering company delivering integrated Engineering, Procurement, Fabrication, Construction, Installation…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 15 | 8 contacts → | ||||
Partial evidence “Derotech Offshore Services Limited is a preferred local offshore drilling company in Nigeria with technical support and ultramodern equipment from Pacific Drilling to respond to…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 16 | 7 contacts → | ||||
Indirect evidence “Our Story 100% Indigenous Craigwal Petroshore Limited is a Nigerian Engineering and Construction Company in the Oil and Gas and marine industry.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 17 | 6 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: offshore platform manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names offshore platform manufacturers.
- Partial evidence
- Its own public description names part of offshore platform manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name offshore platform manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 18 of 104 offshore platform manufacturers based in Nigeria
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Offshore platform manufacturers based in Nigeria at a glance
As of Sep 14, 2026Companies by employee count
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 104 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among offshore platform manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Nigeria whose own description of what they do matches “offshore platform manufacturers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names offshore platform manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among offshore platform manufacturers, and records with no verified work email. Companies headquartered outside Nigeria are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 371 across the full list. 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 14, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Offshore platform manufacturers by metro
- Offshore platform manufacturers in Port Harcourt26
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names offshore platform manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many offshore platform manufacturers are there based in Nigeria?
RevenueBase identified 104 offshore platform manufacturers headquartered in Nigeria as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Dover Engineering Limited, headquartered in Port Harcourt, tops this list with the largest team on record.
Which city has the most offshore platform manufacturers?
Port Harcourt leads with 26 headquartered companies, followed by Lagos (20) and Lagos State (10).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 371 verified decision-maker contacts tracked across these 104 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 14, 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 Smart Search, 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.
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