Company lists · Data refreshed September 2026

Top 25 Energy infrastructure contractors based in Nigeria

Name: Energy infrastructure contractors based in Nigeria
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 160 companies tracked

RevenueBase identified 160 energy infrastructure contractors headquartered in Nigeria as of September 2026 and tracks 3,561 professional contacts across them, including 749 with verified work emails. Lagos is the largest hub.

This list covers energy infrastructure contractors 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 16, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review

160Companies

3,561Contacts tracked

749Verified emails

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The 25 largest energy infrastructure contractors based in Nigeria

Ranked by team size

Top 25 of 160 energy infrastructure contractors based in Nigeria, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to energy infrastructure contractors: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Sahara Group	Strong evidence	Lagos, NigeriaHQ checked Sep 16, 2026	5,001-10,000	1,409 contacts →
	Strong evidence “Sahara Group is a leading international energy and infrastructure conglomerate with operations in over 42 countries across Africa, Asia, Europe and the Middle East.” Source: RevenueBase Database · checked Sep 16, 2026
2	Mar&mor Engineering Services LTD	Indirect evidence	Abuja, NigeriaHQ checked Sep 16, 2026	201-500	224 contacts →
	Indirect evidence “With an eye for customer Satisfaction, we uphold a watch word to ".do it well." in any project we work on.” Source: RevenueBase Database · checked Sep 16, 2026
3	Makon Group	Indirect evidence	Lekki, NigeriaHQ checked Sep 16, 2026	501-1,000	192 contacts →
	Indirect evidence “Makon Group is an international organisation with its business interests spanning Engineering, Procurement, Construction, Operation and Maintenance (EPICOM) for Oil and Gas…” Source: RevenueBase Database · checked Sep 16, 2026
4	Westfield Energy Resources Limited	Strong evidence	Lekki, NigeriaHQ checked Sep 16, 2026	51-200	164 contacts →
	Strong evidence “We are a leading integrated energy services and solutions provider operating across the entire upstream Oil & Gas, Power and Infrastructure value chain in West Africa.” Source: RevenueBase Database · checked Sep 16, 2026
5	LEE Engineering And Construction Company LTD	Indirect evidence	Ikoyi, NigeriaHQ checked Sep 16, 2026	501-1,000	114 contacts →
	Indirect evidence “Lee Engineering and Construction Co.” Source: RevenueBase Database · checked Sep 16, 2026
6	Colenco Consulting LTD	Strong evidence	Abuja, NigeriaHQ checked Sep 16, 2026	51-200	70 contacts →
	Strong evidence “Consulting Services in Infrastructure and Energy” Source: RevenueBase Database · checked Sep 16, 2026
7	Merald Group	Indirect evidence	Victoria Island, NigeriaHQ checked Sep 16, 2026	201-500	62 contacts →
	Indirect evidence “Merald Group is an Engineering and Construction Company specialised in Mechanical Works, Electrical Installations, HVAC Installations, Industrial Piping and Pipeline, Structural…” Source: RevenueBase Database · checked Sep 16, 2026
8	Bablink Resources Nigeria Limited	Partial evidence	Warri, NigeriaHQ checked Sep 16, 2026	51-200	62 contacts →
	Partial evidence “BABLINK RESOURCES NIGERIA LTD is a Nigerian owned EPCI Company poised to offer total Engineering and Construction solution to service demands of the Nation’s Oil, Gas and Energy…” Source: RevenueBase Database · checked Sep 16, 2026
9	Aril Technologies Limited	Partial evidence	Ikeja, NigeriaHQ checked Sep 16, 2026	11-50	58 contacts →
	Partial evidence “ARIL Technologies can summarily be described as a Specialized Engineering Solutions Provider, Electrical & Instrumentation Contractor, Systems Integrator/Process Control &…” Source: RevenueBase Database · checked Sep 16, 2026
10	Ashbard Energy Company Limited	Partial evidence	Port - Harcourt, NigeriaHQ checked Sep 16, 2026	201-500	49 contacts →
	Partial evidence “Incorporated in 2004, Ashbard Energy Company Limited is an indigenous engineering services provider.” Source: RevenueBase Database · checked Sep 16, 2026
11	Fiphs Infrastructure	Partial evidence	Central Business District, NigeriaHQ checked Sep 16, 2026	201-500	49 contacts →
	Partial evidence “We've shaped the future with innovations in Electrification, Road and Infrastructural development by building lasting values in Nigeria and Africa.” Source: RevenueBase Database · checked Sep 16, 2026
12	Tofa LTD	Indirect evidence	Victoria Island, NigeriaHQ checked Sep 16, 2026	51-200	40 contacts →
	Indirect evidence “TOFA Limited is an electrical engineering rm providing professional and aordable Power Generation services, in addition to Transmission and Distribution systems amenities.” Source: RevenueBase Database · checked Sep 16, 2026
13	Alphaden Energy & Oilfield Limited	Indirect evidence	Victoria Island, NigeriaHQ checked Sep 16, 2026	51-200	35 contacts →
	Indirect evidence “The ‘ALPHA’S DEN’ is a hub of professional and well experienced Alpha’s, championing their fields while collectively making up a provider of fit-for-purpose services to clients…” Source: RevenueBase Database · checked Sep 16, 2026
14	Debyl Limited	Indirect evidence	Port Harcourt, NigeriaHQ checked Sep 16, 2026	11-50	32 contacts →
	Indirect evidence “DEBYL LIMITED is an indigenous company.” Source: RevenueBase Database · checked Sep 16, 2026
15	Reynolds Construction Company NIG Limited	Indirect evidence	Abuja, NigeriaHQ checked Sep 16, 2026	11-50	29 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026
16	Concave Energy Services Limited	Partial evidence	Lekki, NigeriaHQ checked Sep 16, 2026	11-50	21 contacts →
	Partial evidence “Concave Energy Service Limited "Concave" was incorporated in January 2011 as a limited liability company and has experienced unprecedented growth in the Nigerian Oil & Energy…” Source: RevenueBase Database · checked Sep 16, 2026
17	Seflam SGL	Indirect evidence	Victoria Island, NigeriaHQ checked Sep 16, 2026	201-500	16 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026
18	Raytheon Energy Limited	Partial evidence	Lekki, NigeriaHQ checked Sep 16, 2026	201-500	13 contacts →
	Partial evidence “Raytheon Energy Limited is an Inter-disciplinary Project delivery organization based in Nigeria and since our inception, we have always strived to gain recognition by exceeding…” Source: RevenueBase Database · checked Sep 16, 2026
19	Dextron Engineering Group	Partial evidence	Victoria Island, NigeriaHQ checked Sep 16, 2026	201-500	12 contacts →
	Partial evidence “DEXTRON Group is a group of companies, with its founding company, DEXTRON LIMITED U.K, providing services for the: Oil and Gas Industry Energy Industry We are highly skilled and…” Source: RevenueBase Database · checked Sep 16, 2026
20	Hakman Engineering Limited	Indirect evidence	Lagos, NigeriaHQ checked Sep 16, 2026	11-50	8 contacts →
	Indirect evidence “Hakman Engineering are specialists in power supply, power generating plants, and in the design, development, integration, installation and commissioning of systems that effect…” Source: RevenueBase Database · checked Sep 16, 2026
21	Mavi Energy Development Company Limited	Partial evidence	Lekki, NigeriaHQ checked Sep 16, 2026	11-50	7 contacts →
	Partial evidence “Mavi Energy Development Company Limited (MEDCOL) is a leading provider of comprehensive solutions for the upstream oil and gas sector.” Source: RevenueBase Database · checked Sep 16, 2026
22	Structbuild Construction Limited	Indirect evidence	Lagos, NigeriaHQ checked Sep 16, 2026	11-50	7 contacts →
	Indirect evidence “StructBuild Construction Limited is a Nigerian-owned civil engineering and construction company established in 2017 to deliver disciplined, safety-driven construction services to…” Source: RevenueBase Database · checked Sep 16, 2026
23	Offshore Dimensions LTD	Partial evidence	Ibeju-lekki, NigeriaHQ checked Sep 16, 2026	11-50	6 contacts →
	Partial evidence “Offshore Dimensions Limited: Leading Engineering, Procurement and Construction Management Company in Nigeria Servicing the Energy, Oil and Gas We are a renowned engineering…” Source: RevenueBase Database · checked Sep 16, 2026
24	MJD Oilfield Services Limited	Indirect evidence	Port Harcourt, NigeriaHQ checked Sep 16, 2026	51-200	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 16, 2026
25	Sunup Energy	Indirect evidence	Port Harcourt, NigeriaHQ checked Sep 16, 2026	51-200	5 contacts →
	Indirect evidence “Engineering, Procurement, Construction, Installation and Commissioning” Source: RevenueBase Database · checked Sep 16, 2026

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: energy infrastructure contractors. 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 energy infrastructure contractors.
Partial evidence: Its own public description names part of energy infrastructure contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name energy infrastructure contractors. 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 25 of 160 energy infrastructure contractors based in Nigeria

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Energy infrastructure contractors based in Nigeria at a glance

As of Sep 16, 2026

21.0%Verified-email coverage

22.3Average contacts per company

11-50Median size (employees)

22.5%Largest-city concentration · Lagos

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

5,001-10,000

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 160 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 energy infrastructure contractors, 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 “energy infrastructure contractors”. 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 energy infrastructure contractors), 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 energy infrastructure contractors, 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, 749 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 16, 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.

Energy infrastructure contractors by metro

Energy infrastructure contractors in Lagos36

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 energy infrastructure contractors, 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 energy infrastructure contractors are there based in Nigeria?

RevenueBase identified 160 energy infrastructure contractors 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?

Sahara Group, headquartered in Lagos State., tops this list with the largest team on record.

Which city has the most energy infrastructure contractors?

Lagos leads with 36 headquartered companies, followed by Port Harcourt (18) and Lagos State (16).

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 749 verified decision-maker contacts tracked across these 160 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 16, 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.