Company lists · Data refreshed September 2026
Top 25 Energy maintenance service providers based in Nigeria
RevenueBase identified 194 energy maintenance service providers headquartered in Nigeria as of September 2026 and tracks 3,259 professional contacts across them, including 493 with verified work emails. Lagos is the largest hub.
This list covers energy maintenance service providers 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.
The 25 largest energy maintenance service providers based in Nigeria
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 832 contacts → | ||||
Indirect evidence “JMG is a highly diversified electro-mechanical solution provider, offering a wide-ranging portfolio that includes power generation, Solar power, Electrical infrastructures, Air…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 315 contacts → | ||||
Partial evidence “Dover Engineering Limited is a reputable Engineering Design,EPC, Operations & Maintenance Company.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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, 2026Thanks. The Data Team will review it. | |||||
| 4 | 182 contacts → | ||||
Indirect evidence “Electrical and Mechanical Contracting company.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 114 contacts → | ||||
Indirect evidence “Lee Engineering and Construction Co.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 97 contacts → | ||||
Partial evidence “Having employed the services of international technical consultants as well as indigenous experts with a high level of competency in the field of engineering, Pacific Energy’s…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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, 2026Thanks. The Data Team will review it. | |||||
| 8 | 49 contacts → | ||||
Partial evidence “Incorporated in 2004, Ashbard Energy Company Limited is an indigenous engineering services provider.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 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, 2026Thanks. The Data Team will review it. | |||||
| 10 | 37 contacts → | ||||
Indirect evidence “Hamakang is a continent-wide provider to owners and operators of industrial gas turbines, offering an employee skill base in excess of 100 combined years of experience in gas…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 36 contacts → | ||||
Indirect evidence “FORTAFRIC is an integrated company offering services in the oil, gas, and power sector of the Nigerian economy.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 12 | 32 contacts → | ||||
Indirect evidence “DEBYL LIMITED is an indigenous company.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 13 | 29 contacts → | ||||
Strong evidence “Minim & Tonye Nigeria Limited provides professional operations and maintenance services to the energy, oil & gas, industrial, and infrastructure sectors.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 14 | 24 contacts → | ||||
Partial evidence “Stratagem Energy Management Limited, an independent energy services and energy consulting company specializes in providing energy services to public & private sector clients in…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 15 | 23 contacts → | ||||
Indirect evidence “PISCES POWER & SERVICES LIMITED is more than a power generator marketing firm, rather we take power generator to a level of excellence as we offer tailored solutions to our…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 16 | 22 contacts → | ||||
Partial evidence “Breeze Energy Limited is a proudly African company managed by a team of seasoned professionals with extensive experience in Oil & Gas Services, Humanitarian and Disaster Relief…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 17 | 18 contacts → | ||||
Partial evidence “DEER Nigeria is changing the culture of energy in Western Africa.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 18 | 15 contacts → | ||||
Partial evidence “Opes Manus Resources Limited - Construction, Electrical Installation & Maintenance, Engineering Design.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 19 | 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, 2026Thanks. The Data Team will review it. | |||||
| 20 | 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, 2026Thanks. The Data Team will review it. | |||||
| 21 | 7 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 22 | 5 contacts → | ||||
Indirect evidence “TPS Solar Plus was established in the year as a subsidiary of Chiboye Enterprises.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 23 | 4 contacts → | ||||
Indirect evidence “FASTBELLS SERVICES Ltd (FBSL Engineering) is A First-grade EPC, Physical Asset Management, Design and Build Engineering Firm.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Indirect evidence “Oil and Gas Company” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Strong evidence “We offer various services in engineering as highlighted below: Renewable Energy- site survey, power audit, system design,sales, installation and maintenance of solar inverter…” Source: RevenueBase Database · checked Sep 16, 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: energy maintenance service providers. 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 maintenance service providers.
- Partial evidence
- Its own public description names part of energy maintenance service providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name energy maintenance service providers. 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 194 energy maintenance service providers based in Nigeria
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Energy maintenance service providers based in Nigeria at a glance
As of Sep 16, 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 194 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 maintenance service providers, 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 maintenance service providers”. 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 maintenance service providers), 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 maintenance service providers, 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, 493 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 maintenance service providers by metro
- Energy maintenance service providers in Lagos52
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 maintenance service providers, 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 maintenance service providers are there based in Nigeria?
RevenueBase identified 194 energy maintenance service providers 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?
JMG Limited, headquartered in Victoria Island Lagos, tops this list with the largest team on record.
Which city has the most energy maintenance service providers?
Lagos leads with 52 headquartered companies, followed by Port Harcourt (23) and Lagos State (17).
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 493 verified decision-maker contacts tracked across these 194 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.
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