Company lists · Data refreshed October 2026
Top 25 Oil field development services based in Port Harcourt, Nigeria
RevenueBase identified 271 company matches for oil field development services associated with Port Harcourt, Nigeria as of October 2026 and tracks 4,299 professional contacts across them, including 480 with verified work emails. Across Nigeria, Port Harcourt is the largest hub for this category.
This list covers company matches for oil field development services associated with Port Harcourt, 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 28, 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.
The 25 largest oil field development services based in Port Harcourt, Nigeria
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 491 contacts → | ||||
Exact match “AOS Orwell Limited is the largest indigenous Oilfield Services Company in Nigeria.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 2 | 406 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 28, 2026 · View company records in RevenueBase | |||||
| 3 | 312 contacts → | ||||
Exact match “Dover Engineering Limited is a reputable Engineering Design,EPC, Operations & Maintenance Company.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 4 | 93 contacts → | ||||
Exact match “Hydroserve Group is a leading oil and gas company which started as Hydroserve Oil Services Nigeria Limited in November, We began operations in with Pipeline & Process, and Pumping…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 5 | 58 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 6 | 53 contacts → | ||||
Exact match “PEGIS GLOBAL Services Limited (PGSL) is a fast growing indigenous company with operational base in Port Harcourt, focused on providing services in the Oil and gas Industry in the…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 7 | 49 contacts → | ||||
Exact match “Oil Quest International Limited (OQIL) is an indigenous Oil and Gas integrated technical support Service Company incorporated in Nigeria as a limited liability company on 11th…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 8 | 47 contacts → | ||||
Exact match “Power and Energy Oil Tools Ltd is a Nigerian well engineering company.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 9 | 46 contacts → | ||||
Exact match “Oida Energy is an energy service company that delivers end-to-end technology solutions for operators who find and produce energy.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 10 | 42 contacts → | ||||
Exact match “Hamilton Technologies Limited is the largest indigenous, new generation drilling fluids company in Nigeria providing solutions in; Mud Engineering/Drilling Support Services…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 11 | 37 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 28, 2026 · View company records in RevenueBase | |||||
| 12 | 36 contacts → | ||||
Exact match “True-Blue Energy Services Limited, a fully indigenous oil and gas services company in Nigeria with proven capacity for supporting clients/major projects in Onshore and Offshore…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 13 | 36 contacts → | ||||
Exact match “Dovewell Oilfield Services Limited is a fully Nigerian owned oil and gas service company.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 14 | 35 contacts → | ||||
Exact match “Bill Energy Services Limited is an indigenous company providing services in the Oil and Gas sector, FMCG, Project Management, Safety consultancy and other sectors of the Nigerian…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 15 | 28 contacts → | ||||
Exact match “Registered in 2020 and commenced business operations in October 2022, Waal Energy Services Limited is a full-spectrum technical solutions company focused on delivering end-to-end…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 16 | 26 contacts → | ||||
Exact match “Oil & Gas Services company” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 17 | 23 contacts → | ||||
Exact match “Union Energy Services Limited is a well established and wholly owned Nigerian company providing Energy and Engineering Services.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 18 | 21 contacts → | ||||
Exact match “Nymagx Energy Services a wholly Nigerian owned company incorporated to provide innovative solutions for Well Services, Process, Pipeline Construction, Facilities…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 19 | 19 contacts → | ||||
Exact match “Laser Engineering and Resources Consultants Limited is a Nigerian Indigenous Company that renders services to the oil and gas industry.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 20 | 18 contacts → | ||||
Exact match “Atma Global Resources Limited is a wholly Nigerian Engineering Procurement, Installation, Maintenance, and Commissioning Company created for the purpose of providing services to…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 21 | 17 contacts → | ||||
Exact match “Catobi Nigeria Enterprises Limited is a leading industrial services company providing end-to-end solutions across the oil & gas and industrial sectors.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 22 | 16 contacts → | ||||
Exact match “MEFGON Tech Nig Ltd is duly registered and incorporated in Nigeria in 2018, with a broad scope of carrying out specialized services in the Oil and Gas sector in Nigeria.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 23 | 14 contacts → | ||||
Exact match “AFTRAC Limited has over 20 years of experience in delivering Oil and Gas related products and services.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 24 | 12 contacts → | ||||
Exact match “Supanova Energy Services Limited (SES) provides an integrated field services, for both upstream and downstream sector of the energy industry.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 25 | 12 contacts → | ||||
Exact match “Epic Atlantic Limited is an indigeneous multi-disciplinary engineering and technology company formed with a passion for technical and operational excellence for the oil and gas…” Recorded in the RevenueBase company graph · Oct 28, 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 “oil field development services”. 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 25 of 271 oil field development services based in Port Harcourt, Nigeria
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Oil field development services based in Port Harcourt, Nigeria at a glance
As of Oct 28, 2026Companies by employee count
Email recency for this list is measured across the whole Nigeria list rather than for Port Harcourt, so it is reported there. Company counts and contact totals on this page are exact for Port Harcourt, over 271 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 Port Harcourt, Nigeria whose business descriptions match “oil field development services” 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 480 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 28, 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.
Oil field development services by metro in Nigeria
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 “oil field development services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil field development services are there based in Port Harcourt, Nigeria?
RevenueBase identified 271 company matches for oil field development services associated with Port Harcourt, 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?
AOS Orwell Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Nigeria has the most oil field development services?
Port Harcourt leads Nigeria with 271 company records, followed by Lagos (177) and Lagos State (64).
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 480 professional contacts with verified work emails tracked across these 271 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 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 271 oil field development services based in Port Harcourt, Nigeria. Start with a free account, no credit card.
Download this list →Related lists
Oil field development services by geography
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- Oil field development services based in Comodoro Rivadavia, Argentina
- Oil field development services based in Perth, Australia
- Oil field development services based in Baku, Azerbaijan
- Oil field development services based in Rio De Janeiro, Brazil
- Oil field development services based in Calgary, Canada
- Oil field development services based in Edmonton, Canada
- Oil field development services based in Bogota, Colombia
- Oil field development services based in Quito, Ecuador
- Oil field development services based in Cairo, Egypt
- Oil field development services based in Accra, Ghana
- Oil field development services based in Mumbai, India
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Oil field development services based in Buenos Aires, Argentina
- Oil field development services based in Comodoro Rivadavia, Argentina
- Oil field development services based in Perth, Australia
- Oil field development services based in Baku, Azerbaijan
- Oil field development services based in Rio De Janeiro, Brazil
- Oil field development services based in Calgary, Canada
Company intelligence · public preview
Top 25 oil field development services based in Port Harcourt, Nigeria
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 271 matching company records for oil field development services based in Port Harcourt, Nigeria, with 4,299 tracked contacts and 480 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 oil field development services based in Port Harcourt, Nigeria
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  AOS Orwell Limitedaosorwell.comHQ: Port Harcourt, NigeriaReported employees: 1,001-5,000 | Port Harcourt, Nigeria | 1,001-5,000 | Exact match | 491 contacts → |
“AOS Orwell Limited is the largest indigenous Oilfield Services Company in Nigeria.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Aveon Offshore Limitedaveonoffshore.comHQ: Port Harcourt, NigeriaReported employees: 501-1,000 | Port Harcourt, Nigeria | 501-1,000 | Exact match | 406 contacts → |
“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 description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Dover Engineering Limiteddoverengineering.comHQ: Port Harcourt, NigeriaReported employees: 501-1,000 | Port Harcourt, Nigeria | 501-1,000 | Exact match | 312 contacts → |
“Dover Engineering Limited is a reputable Engineering Design,EPC, Operations & Maintenance Company.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Hydroserve Grouphydroservegroup.comHQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 93 contacts → |
“Hydroserve Group is a leading oil and gas company which started as Hydroserve Oil Services Nigeria Limited in November, We began operations in with Pipeline & Process, and Pumping…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Vagan OIL And GAS Limitedvagangroup.com HQ: Port Harcourt, NigeriaReported employees: 201-500 | Port Harcourt, Nigeria | 201-500 | Exact match | 58 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 |  Pegis Global Services Limitedpegisglobal.comHQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 53 contacts → |
“PEGIS GLOBAL Services Limited (PGSL) is a fast growing indigenous company with operational base in Port Harcourt, focused on providing services in the Oil and gas Industry in the…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  OIL Quest International Limitedoil-quest.comHQ: Port Harcourt, NigeriaReported employees: 201-500 | Port Harcourt, Nigeria | 201-500 | Exact match | 49 contacts → |
“Oil Quest International Limited (OQIL) is an indigenous Oil and Gas integrated technical support Service Company incorporated in Nigeria as a limited liability company on 11th…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Power & Energy OIL Toolspandeoiltools.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 47 contacts → |
“Power and Energy Oil Tools Ltd is a Nigerian well engineering company.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Oidaenergyoildatainc.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 46 contacts → |
“Oida Energy is an energy service company that delivers end-to-end technology solutions for operators who find and produce energy.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Hamilton Technologies Limited Official Pagehamiltontechnologies.comHQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 42 contacts → |
“Hamilton Technologies Limited is the largest indigenous, new generation drilling fluids company in Nigeria providing solutions in; Mud Engineering/Drilling Support Services…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hallmark Global Petroleum Limitedhallmarkgroupng.com HQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 37 contacts → |
“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 description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  True-Blue Energy Services Limitedtrueblueenergy.comHQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 36 contacts → |
“True-Blue Energy Services Limited, a fully indigenous oil and gas services company in Nigeria with proven capacity for supporting clients/major projects in Onshore and Offshore…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Dovewell Oilfield Services Limiteddovewellgroup.comHQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 36 contacts → |
“Dovewell Oilfield Services Limited is a fully Nigerian owned oil and gas service company.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Bill Energy Services Limitedbillenergyservices.comHQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 35 contacts → |
“Bill Energy Services Limited is an indigenous company providing services in the Oil and Gas sector, FMCG, Project Management, Safety consultancy and other sectors of the Nigerian…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Waal Energy Services Limitedwaalenergy.comHQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 28 contacts → |
“Registered in 2020 and commenced business operations in October 2022, Waal Energy Services Limited is a full-spectrum technical solutions company focused on delivering end-to-end…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Omasup Energy Services Limitedomasupenergy.com HQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 26 contacts → |
“Oil & Gas Services company” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Union Energy Services LTDunionenergyng.comHQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 23 contacts → |
“Union Energy Services Limited is a well established and wholly owned Nigerian company providing Energy and Engineering Services.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Nymagx Energy Services Limitednymagx.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 21 contacts → |
“Nymagx Energy Services a wholly Nigerian owned company incorporated to provide innovative solutions for Well Services, Process, Pipeline Construction, Facilities…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 19 contacts → |
“Laser Engineering and Resources Consultants Limited is a Nigerian Indigenous Company that renders services to the oil and gas industry.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Atma Global Resources Limitedatmaglobalng.comHQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 18 contacts → |
“Atma Global Resources Limited is a wholly Nigerian Engineering Procurement, Installation, Maintenance, and Commissioning Company created for the purpose of providing services to…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Catobi Nigeria Enterprises Limitedcatobi.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 17 contacts → |
“Catobi Nigeria Enterprises Limited is a leading industrial services company providing end-to-end solutions across the oil & gas and industrial sectors.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Mefgon Tech NIG LTDmefgontech.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 16 contacts → |
“MEFGON Tech Nig Ltd is duly registered and incorporated in Nigeria in 2018, with a broad scope of carrying out specialized services in the Oil and Gas sector in Nigeria.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Aftrac Limitedaftrac.comHQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 14 contacts → |
“AFTRAC Limited has over 20 years of experience in delivering Oil and Gas related products and services.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Supanova Energy Services Limitedsupanovaenergy.com HQ: Port Harcourt, NigeriaReported employees: 1-10 | Port Harcourt, Nigeria | 1-10 | Exact match | 12 contacts → |
“Supanova Energy Services Limited (SES) provides an integrated field services, for both upstream and downstream sector of the energy industry.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Epic Atlantic Limitedepicatlantic.netHQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 12 contacts → |
“Epic Atlantic Limited is an indigeneous multi-disciplinary engineering and technology company formed with a passion for technical and operational excellence for the oil and gas…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 271 company matches
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Oil field development services: dataset insights
October 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
270 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Nigeria list rather than for Port Harcourt, so it is reported there. Company counts and contact totals on this page are exact for Port Harcourt, over 271 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Oil field development services by metro in Nigeria
Questions about this company list
What does Exact match mean for oil field development services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many oil field development services did RevenueBase find based in Port Harcourt, Nigeria?
The saved snapshot records 271 matching company records, 4,299 tracked contacts and 480 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Oil field development services by geography
- Oil field development services based in Buenos Aires, Argentina
- Oil field development services based in Comodoro Rivadavia, Argentina
- Oil field development services based in Perth, Australia
- Oil field development services based in Baku, Azerbaijan
- Oil field development services based in Rio De Janeiro, Brazil
- Oil field development services based in Calgary, Canada
- Oil field development services based in Edmonton, Canada
- Oil field development services based in Bogota, Colombia
- Oil field development services based in Quito, Ecuador
- Oil field development services based in Cairo, Egypt
- Oil field development services based in Accra, Ghana
- Oil field development services based in Mumbai, India
Cite this list
RevenueBase Data Team. Top 25 oil field development services based in Port Harcourt, Nigeria. Snapshot: October 28, 2026. https://revenuebase.ai/companies/oil-field-development-services/nigeria/port-harcourt.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Oil field development services based in Buenos Aires, Argentina
- Oil field development services based in Comodoro Rivadavia, Argentina
- Oil field development services based in Perth, Australia
- Oil field development services based in Baku, Azerbaijan
- Oil field development services based in Rio De Janeiro, Brazil
- Oil field development services based in Calgary, Canada
Company intelligence · public preview
Top 25 oil field development services based in Port Harcourt, Nigeria
RevenueBase records 271 matching company records for oil field development services based in Port Harcourt, Nigeria, with 4,299 tracked contacts and 480 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 28, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 oil field development services based in Port Harcourt, Nigeria
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | AOS Orwell Limitedaosorwell.com HQ: Port Harcourt, NigeriaReported employees: 1,001-5,000 | Port Harcourt, Nigeria | 1,001-5,000 | Exact match | 491 contacts → |
“AOS Orwell Limited is the largest indigenous Oilfield Services Company in Nigeria.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Aveon Offshore Limitedaveonoffshore.com HQ: Port Harcourt, NigeriaReported employees: 501-1,000 | Port Harcourt, Nigeria | 501-1,000 | Exact match | 406 contacts → |
“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 description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Dover Engineering Limiteddoverengineering.com HQ: Port Harcourt, NigeriaReported employees: 501-1,000 | Port Harcourt, Nigeria | 501-1,000 | Exact match | 312 contacts → |
“Dover Engineering Limited is a reputable Engineering Design,EPC, Operations & Maintenance Company.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Hydroserve Grouphydroservegroup.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 93 contacts → |
“Hydroserve Group is a leading oil and gas company which started as Hydroserve Oil Services Nigeria Limited in November, We began operations in with Pipeline & Process, and Pumping…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Vagan OIL And GAS Limitedvagangroup.com HQ: Port Harcourt, NigeriaReported employees: 201-500 | Port Harcourt, Nigeria | 201-500 | Exact match | 58 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | Pegis Global Services Limitedpegisglobal.com HQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 53 contacts → |
“PEGIS GLOBAL Services Limited (PGSL) is a fast growing indigenous company with operational base in Port Harcourt, focused on providing services in the Oil and gas Industry in the…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | OIL Quest International Limitedoil-quest.com HQ: Port Harcourt, NigeriaReported employees: 201-500 | Port Harcourt, Nigeria | 201-500 | Exact match | 49 contacts → |
“Oil Quest International Limited (OQIL) is an indigenous Oil and Gas integrated technical support Service Company incorporated in Nigeria as a limited liability company on 11th…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Power & Energy OIL Toolspandeoiltools.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 47 contacts → |
“Power and Energy Oil Tools Ltd is a Nigerian well engineering company.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Oidaenergyoildatainc.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 46 contacts → |
“Oida Energy is an energy service company that delivers end-to-end technology solutions for operators who find and produce energy.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Hamilton Technologies Limited Official Pagehamiltontechnologies.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 42 contacts → |
“Hamilton Technologies Limited is the largest indigenous, new generation drilling fluids company in Nigeria providing solutions in; Mud Engineering/Drilling Support Services…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hallmark Global Petroleum Limitedhallmarkgroupng.com HQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 37 contacts → |
“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 description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | True-Blue Energy Services Limitedtrueblueenergy.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 36 contacts → |
“True-Blue Energy Services Limited, a fully indigenous oil and gas services company in Nigeria with proven capacity for supporting clients/major projects in Onshore and Offshore…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Dovewell Oilfield Services Limiteddovewellgroup.com HQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 36 contacts → |
“Dovewell Oilfield Services Limited is a fully Nigerian owned oil and gas service company.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Bill Energy Services Limitedbillenergyservices.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 35 contacts → |
“Bill Energy Services Limited is an indigenous company providing services in the Oil and Gas sector, FMCG, Project Management, Safety consultancy and other sectors of the Nigerian…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Waal Energy Services Limitedwaalenergy.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 28 contacts → |
“Registered in 2020 and commenced business operations in October 2022, Waal Energy Services Limited is a full-spectrum technical solutions company focused on delivering end-to-end…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Omasup Energy Services Limitedomasupenergy.com HQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 26 contacts → |
“Oil & Gas Services company” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Union Energy Services LTDunionenergyng.com HQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 23 contacts → |
“Union Energy Services Limited is a well established and wholly owned Nigerian company providing Energy and Engineering Services.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Nymagx Energy Services Limitednymagx.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 21 contacts → |
“Nymagx Energy Services a wholly Nigerian owned company incorporated to provide innovative solutions for Well Services, Process, Pipeline Construction, Facilities…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 19 contacts → |
“Laser Engineering and Resources Consultants Limited is a Nigerian Indigenous Company that renders services to the oil and gas industry.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Atma Global Resources Limitedatmaglobalng.com HQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 18 contacts → |
“Atma Global Resources Limited is a wholly Nigerian Engineering Procurement, Installation, Maintenance, and Commissioning Company created for the purpose of providing services to…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Catobi Nigeria Enterprises Limitedcatobi.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 17 contacts → |
“Catobi Nigeria Enterprises Limited is a leading industrial services company providing end-to-end solutions across the oil & gas and industrial sectors.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Mefgon Tech NIG LTDmefgontech.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 16 contacts → |
“MEFGON Tech Nig Ltd is duly registered and incorporated in Nigeria in 2018, with a broad scope of carrying out specialized services in the Oil and Gas sector in Nigeria.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Aftrac Limitedaftrac.com HQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 14 contacts → |
“AFTRAC Limited has over 20 years of experience in delivering Oil and Gas related products and services.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Supanova Energy Services Limitedsupanovaenergy.com HQ: Port Harcourt, NigeriaReported employees: 1-10 | Port Harcourt, Nigeria | 1-10 | Exact match | 12 contacts → |
“Supanova Energy Services Limited (SES) provides an integrated field services, for both upstream and downstream sector of the energy industry.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Epic Atlantic Limitedepicatlantic.net HQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 12 contacts → |
“Epic Atlantic Limited is an indigeneous multi-disciplinary engineering and technology company formed with a passion for technical and operational excellence for the oil and gas…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 271 company matches
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Oil field development services: dataset insights
October 28, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
270 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Nigeria list rather than for Port Harcourt, so it is reported there. Company counts and contact totals on this page are exact for Port Harcourt, over 271 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 28, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Oil field development services by metro in Nigeria
Questions about this company list
What does Exact match mean for oil field development services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many oil field development services did RevenueBase find based in Port Harcourt, Nigeria?
The saved snapshot records 271 matching company records, 4,299 tracked contacts and 480 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 oil field development services based in Port Harcourt, Nigeria. Snapshot: October 28, 2026. https://revenuebase.ai/companies/oil-field-development-services/nigeria/port-harcourt.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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