Company lists · Data refreshed November 2026
Top 25 Refinery design companies based in Nigeria
RevenueBase identified 506 company matches for refinery design companies associated with Nigeria as of November 2026 and tracks 6,792 professional contacts across them, including 871 with verified work emails. Port Harcourt is the largest hub.
This list covers company matches for refinery design companies associated with Nigeria, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 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 refinery design companies based in Nigeria
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 447 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 320 contacts → | ||||
Exact match “Dover Engineering Limited is a reputable Engineering Design,EPC, Operations & Maintenance Company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 267 contacts → | ||||
Exact match “PIVOT-GIS is a leading Nigerian Engineering, Procurement, Construction, Operations & Maintenance (EPCOM) company serving the oil, gas, and energy sectors since 2004.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 143 contacts → | ||||
Exact match “Kohasa Engineering Company Limited is an oil and energy company based out of Plot 474, Trans Amadi industrial layout, Port Harcourt, RIVERS, Nigeria.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 130 contacts → | ||||
Exact match “Arion Energy Services is an engineering, projects, and operations service provider to the oil and gas, power and maritime industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 127 contacts → | ||||
Exact match “Lee Engineering and Construction Co.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 120 contacts → | ||||
Exact match “Jimcol Resources Nigeria Limited is an indigenous company incorporated in 1990.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 112 contacts → | ||||
Exact match “DBN’s core competencies include a vast range of engineering and construction capabilities that cater to the diverse needs of its projects and clients in Nigeria and globally.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 101 contacts → | ||||
Exact match “PE Energy is an Engineering Design, Procurement/Supply Chain, Integration, Installation and Maintenance of process facility Partner.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 91 contacts → | ||||
Exact match “Rosetti Pivot Limited provides an array of engineering, procurement, and construction services to the oil & gas sectors within Nigeria and the Sub-Saharan Africa region, using…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 76 contacts → | ||||
Exact match “Thompson & Grace Investment Limited (TGIL) an Engineering/ Oilfield Service company in Nigeria provides services to the Engineering Sector/Oil and Gas industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 74 contacts → | ||||
Exact match “ELPER has built in time, a strong international network, and a specialized engineering company, providing services ranging from Engineering Procurement & Construction to Marine…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 72 contacts → | ||||
Exact match “Crestech is an Engineering Design and Project Management Company with its head office in Victoria Island, Lagos, Nigeria.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 70 contacts → | ||||
Exact match “FRAZIMEX ENGINEERING LIMITED, a member of Oilserv group was incorporated in 2005 under the laws of the Federal republic of Nigeria as a private limited liability company that…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 58 contacts → | ||||
Exact match “Weltek Limited is a Nigerian engineering and energy-services company established in 1986.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 55 contacts → | ||||
Exact match “Incorporated in 2004, Ashbard Energy Company Limited is an indigenous engineering services provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 52 contacts → | ||||
Exact match “BRIDGSITE NIGERIA LIMITED (BNL) is an indigenous Engineering and Construction Services Company engaged in the provision of solution oriented, cost effective and responsive high…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 48 contacts → | ||||
Exact match “DeltaTek Offshore Ltd is a leading Engineering, Procurement, Installation, Construction, and Commissioning (EPICC) service provider in the oil and gas sector of Sub-Sahara Africa.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 44 contacts → | ||||
Exact match “Andster Engineering provide multi-discipline engineering, technical services to industrial clients in Nigeria Oil & Gas Sector, Power & Energy Sector, Manufacturing & Production…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 39 contacts → | ||||
Exact match “TOMSEY Engineering & Services International Ltd is a trusted provider of Engineering, Procurement, and Construction (EPC) services to Nigeria’s Oil & Gas, Power, Petrochemical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 36 contacts → | ||||
Exact match “Geoscape Limited is a certified Oil and gas engineering services company in Nigeria with many years of experience and knowledge of international standards, technological and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 35 contacts → | ||||
Exact match “Emobella Engineering Nigeria Limited is an indigenous engineering support service company incorporated in 2015 under the laws of the Federal Republic of Nigeria, A registered…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 35 contacts → | ||||
Exact match “Ikosh Nigeria Limited is an indigenous engineering company that provides top-level services to International Oil Companies (IOCs) and Marginal Field Operators (MFOs) within the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 32 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 29 contacts → | ||||
Exact match “Weam and Company Limited, established in 1985, is an ISO 9001:2015 and COREN certified multidisciplinary engineering services company, providing a diverse range of client-focused…” Recorded in the RevenueBase company graph · Nov 6, 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 “refinery design companies”. 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 506 refinery design companies based in Nigeria
See the full list, filter by size, metro and specialty, and access 871 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Refinery design companies based in Nigeria at a glance
As of Nov 6, 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 506 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Nigeria whose business descriptions match “refinery design companies” 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 871 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 November 6, 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.
Refinery design companies by metro
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 “refinery design companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many refinery design companies are there based in Nigeria?
RevenueBase identified 506 company matches for refinery design companies associated with Nigeria as of November 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?
Aveon Offshore Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most refinery design companies?
Port Harcourt leads with 106 company records, followed by Lagos (103) and Lagos State (36).
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 871 professional contacts with verified work emails tracked across these 506 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 506 refinery design companies based in Nigeria. Start with a free account, no credit card.
Download this list →Related lists
Refinery design companies by geography
- Refinery design companies based in Buenos Aires, Argentina
- Refinery design companies based in Neuquen, Argentina
- Refinery design companies based in Brisbane, Australia
- Refinery design companies based in Perth, Australia
- Refinery design companies based in Belo Horizonte, Brazil
- Refinery design companies based in Curitiba, Brazil
- Refinery design companies based in Rio De Janeiro, Brazil
- Refinery design companies based in Salvador, Brazil
- Refinery design companies based in Sao Paulo, Brazil
- Refinery design companies based in Calgary, Canada
- Refinery design companies based in Edmonton, Canada
- Refinery design companies based in Toronto, Canada
Browse the directory
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
- Refinery design companies based in Buenos Aires, Argentina
- Refinery design companies based in Neuquen, Argentina
- Refinery design companies based in Brisbane, Australia
- Refinery design companies based in Perth, Australia
- Refinery design companies based in Belo Horizonte, Brazil
- Refinery design companies based in Curitiba, Brazil
Company intelligence · public preview
Top 25 refinery design companies based in Nigeria
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 506 matching company records for refinery design companies based in Nigeria, with 6,792 tracked contacts and 871 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: November 6, 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 refinery design companies based in 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 |  Aveon Offshore Limitedaveonoffshore.comHQ: Port Harcourt, NigeriaReported employees: 501-1,000 | Port Harcourt, Nigeria | 501-1,000 | Exact match | 447 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Dover Engineering Limiteddoverengineering.comHQ: Port Harcourt, NigeriaReported employees: 501-1,000 | Port Harcourt, Nigeria | 501-1,000 | Exact match | 320 contacts → |
“Dover Engineering Limited is a reputable Engineering Design,EPC, Operations & Maintenance Company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Pivot-Gis Limitedpivotgis.comHQ: Lagos, NigeriaReported employees: 201-500 | Lagos, Nigeria | 201-500 | Exact match | 267 contacts → |
“PIVOT-GIS is a leading Nigerian Engineering, Procurement, Construction, Operations & Maintenance (EPCOM) company serving the oil, gas, and energy sectors since 2004.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Kohasa Engineering Company Limitedkohasaeng.comHQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 143 contacts → |
“Kohasa Engineering Company Limited is an oil and energy company based out of Plot 474, Trans Amadi industrial layout, Port Harcourt, RIVERS, Nigeria.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Arion Energy Services Limitedarionenergyservices.comHQ: Lagos, NigeriaReported employees: 51-200 | Lagos, Nigeria | 51-200 | Exact match | 130 contacts → |
“Arion Energy Services is an engineering, projects, and operations service provider to the oil and gas, power and maritime industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  LEE Engineering And Construction Company LTDlee-engineering.netHQ: Ikoyi, NigeriaReported employees: 501-1,000 | Ikoyi, Nigeria | 501-1,000 | Exact match | 127 contacts → |
“Lee Engineering and Construction Co.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Jimcol Resources Nigeria Limitedjimcolresources.comHQ: Portharcourt, NigeriaReported employees: 51-200 | Portharcourt, Nigeria | 51-200 | Exact match | 120 contacts → |
“Jimcol Resources Nigeria Limited is an indigenous company incorporated in 1990.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  DBN Energiesdbnenergies.comHQ: Lagos, NigeriaReported employees: 201-500 | Lagos, Nigeria | 201-500 | Exact match | 112 contacts → |
“DBN’s core competencies include a vast range of engineering and construction capabilities that cater to the diverse needs of its projects and clients in Nigeria and globally.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  PE Energy LTDpe-ng.comHQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 101 contacts → |
“PE Energy is an Engineering Design, Procurement/Supply Chain, Integration, Installation and Maintenance of process facility Partner.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Rosetti Pivot LTDrosettipivot.comHQ: Lagos, NigeriaReported employees: 51-200 | Lagos, Nigeria | 51-200 | Exact match | 91 contacts → |
“Rosetti Pivot Limited provides an array of engineering, procurement, and construction services to the oil & gas sectors within Nigeria and the Sub-Saharan Africa region, using…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Thompson & Grace Investments Limitedthompsonandgrace.comHQ: Port-harcourt, NigeriaReported employees: 201-500 | Port-harcourt, Nigeria | 201-500 | Exact match | 76 contacts → |
“Thompson & Grace Investment Limited (TGIL) an Engineering/ Oilfield Service company in Nigeria provides services to the Engineering Sector/Oil and Gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Elper Oilfield Engineeringelpernigeria.comHQ: Lagos, NigeriaReported employees: 501-1,000 | Lagos, Nigeria | 501-1,000 | Exact match | 74 contacts → |
“ELPER has built in time, a strong international network, and a specialized engineering company, providing services ranging from Engineering Procurement & Construction to Marine…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Crestech Engineering Limited, Lagos - Nigeriacrestechengineering.comHQ: Lagos, NigeriaReported employees: 51-200 | Lagos, Nigeria | 51-200 | Exact match | 72 contacts → |
“Crestech is an Engineering Design and Project Management Company with its head office in Victoria Island, Lagos, Nigeria.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Frazimex Engineering Limitedfrazimex.comHQ: Port Harcourt, NigeriaReported employees: 201-500 | Port Harcourt, Nigeria | 201-500 | Exact match | 70 contacts → |
“FRAZIMEX ENGINEERING LIMITED, a member of Oilserv group was incorporated in 2005 under the laws of the Federal republic of Nigeria as a private limited liability company that…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Weltek Limitedweltekng.comHQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 58 contacts → |
“Weltek Limited is a Nigerian engineering and energy-services company established in 1986.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Ashbard Energy Company Limitedashbardenergy.comHQ: Port - Harcourt, NigeriaReported employees: 201-500 | Port - Harcourt, Nigeria | 201-500 | Exact match | 55 contacts → |
“Incorporated in 2004, Ashbard Energy Company Limited is an indigenous engineering services provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Bridgsite Nigeria Limited BNLbridgsitelimited.comHQ: Port Harcourt, NigeriaReported employees: 201-500 | Port Harcourt, Nigeria | 201-500 | Exact match | 52 contacts → |
“BRIDGSITE NIGERIA LIMITED (BNL) is an indigenous Engineering and Construction Services Company engaged in the provision of solution oriented, cost effective and responsive high…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Deltatek Offshore Limiteddeltatekoffshore.comHQ: Lagos, NigeriaReported employees: 201-500 | Lagos, Nigeria | 201-500 | Exact match | 48 contacts → |
“DeltaTek Offshore Ltd is a leading Engineering, Procurement, Installation, Construction, and Commissioning (EPICC) service provider in the oil and gas sector of Sub-Sahara Africa.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Andster Engineeringandsterengineering.comHQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 44 contacts → |
“Andster Engineering provide multi-discipline engineering, technical services to industrial clients in Nigeria Oil & Gas Sector, Power & Energy Sector, Manufacturing & Production…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Tomsey Engineering & Services International LTDtomsey.com.ngHQ: Ikeja, NigeriaReported employees: 11-50 | Ikeja, Nigeria | 11-50 | Exact match | 39 contacts → |
“TOMSEY Engineering & Services International Ltd is a trusted provider of Engineering, Procurement, and Construction (EPC) services to Nigeria’s Oil & Gas, Power, Petrochemical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Geoscape Limitedgeoscapeltd.comHQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 36 contacts → |
“Geoscape Limited is a certified Oil and gas engineering services company in Nigeria with many years of experience and knowledge of international standards, technological and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Emobella Engineering Nigeria Limitedemobellaengineering.comHQ: Ikeja, NigeriaReported employees: 11-50 | Ikeja, Nigeria | 11-50 | Exact match | 35 contacts → |
“Emobella Engineering Nigeria Limited is an indigenous engineering support service company incorporated in 2015 under the laws of the Federal Republic of Nigeria, A registered…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Ikosh Nigeria Limitedikoshlimited.comHQ: Portharcourt, NigeriaReported employees: 11-50 | Portharcourt, Nigeria | 11-50 | Exact match | 35 contacts → |
“Ikosh Nigeria Limited is an indigenous engineering company that provides top-level services to International Oil Companies (IOCs) and Marginal Field Operators (MFOs) within the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Waal Energy Services Limitedwaalenergy.comHQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 32 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Weam And Company Limitedweamandcompany.comHQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 29 contacts → |
“Weam and Company Limited, established in 1985, is an ISO 9001:2015 and COREN certified multidisciplinary engineering services company, providing a diverse range of client-focused…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 506 company matches
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Refinery design companies: dataset insights
November 6, 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
504 records in the displayed employee bands.
2 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 worldwide rather than for Nigeria, so it is reported there. Company counts and contact totals on this page are exact for Nigeria, over 506 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: November 6, 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 ↗
Refinery design companies by metro
Questions about this company list
What does Exact match mean for refinery design companies?
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 refinery design companies did RevenueBase find based in Nigeria?
The saved snapshot records 506 matching company records, 6,792 tracked contacts and 871 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: November 6, 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
Refinery design companies by geography
- Refinery design companies based in Buenos Aires, Argentina
- Refinery design companies based in Neuquen, Argentina
- Refinery design companies based in Brisbane, Australia
- Refinery design companies based in Perth, Australia
- Refinery design companies based in Belo Horizonte, Brazil
- Refinery design companies based in Curitiba, Brazil
- Refinery design companies based in Rio De Janeiro, Brazil
- Refinery design companies based in Salvador, Brazil
- Refinery design companies based in Sao Paulo, Brazil
- Refinery design companies based in Calgary, Canada
- Refinery design companies based in Edmonton, Canada
- Refinery design companies based in Toronto, Canada
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 refinery design companies based in Nigeria. Snapshot: November 6, 2026. https://revenuebase.ai/companies/refinery-design-companies/nigeria.
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
- Refinery design companies based in Buenos Aires, Argentina
- Refinery design companies based in Neuquen, Argentina
- Refinery design companies based in Brisbane, Australia
- Refinery design companies based in Perth, Australia
- Refinery design companies based in Belo Horizonte, Brazil
- Refinery design companies based in Curitiba, Brazil
Company intelligence · public preview
Top 25 refinery design companies based in Nigeria
RevenueBase records 506 matching company records for refinery design companies based in Nigeria, with 6,792 tracked contacts and 871 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: November 6, 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 refinery design companies based in 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 | Aveon Offshore Limitedaveonoffshore.com HQ: Port Harcourt, NigeriaReported employees: 501-1,000 | Port Harcourt, Nigeria | 501-1,000 | Exact match | 447 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Dover Engineering Limiteddoverengineering.com HQ: Port Harcourt, NigeriaReported employees: 501-1,000 | Port Harcourt, Nigeria | 501-1,000 | Exact match | 320 contacts → |
“Dover Engineering Limited is a reputable Engineering Design,EPC, Operations & Maintenance Company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Pivot-Gis Limitedpivotgis.com HQ: Lagos, NigeriaReported employees: 201-500 | Lagos, Nigeria | 201-500 | Exact match | 267 contacts → |
“PIVOT-GIS is a leading Nigerian Engineering, Procurement, Construction, Operations & Maintenance (EPCOM) company serving the oil, gas, and energy sectors since 2004.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Kohasa Engineering Company Limitedkohasaeng.com HQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 143 contacts → |
“Kohasa Engineering Company Limited is an oil and energy company based out of Plot 474, Trans Amadi industrial layout, Port Harcourt, RIVERS, Nigeria.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Arion Energy Services Limitedarionenergyservices.com HQ: Lagos, NigeriaReported employees: 51-200 | Lagos, Nigeria | 51-200 | Exact match | 130 contacts → |
“Arion Energy Services is an engineering, projects, and operations service provider to the oil and gas, power and maritime industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | LEE Engineering And Construction Company LTDlee-engineering.net HQ: Ikoyi, NigeriaReported employees: 501-1,000 | Ikoyi, Nigeria | 501-1,000 | Exact match | 127 contacts → |
“Lee Engineering and Construction Co.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Jimcol Resources Nigeria Limitedjimcolresources.com HQ: Portharcourt, NigeriaReported employees: 51-200 | Portharcourt, Nigeria | 51-200 | Exact match | 120 contacts → |
“Jimcol Resources Nigeria Limited is an indigenous company incorporated in 1990.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | DBN Energiesdbnenergies.com HQ: Lagos, NigeriaReported employees: 201-500 | Lagos, Nigeria | 201-500 | Exact match | 112 contacts → |
“DBN’s core competencies include a vast range of engineering and construction capabilities that cater to the diverse needs of its projects and clients in Nigeria and globally.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | PE Energy LTDpe-ng.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 101 contacts → |
“PE Energy is an Engineering Design, Procurement/Supply Chain, Integration, Installation and Maintenance of process facility Partner.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Rosetti Pivot LTDrosettipivot.com HQ: Lagos, NigeriaReported employees: 51-200 | Lagos, Nigeria | 51-200 | Exact match | 91 contacts → |
“Rosetti Pivot Limited provides an array of engineering, procurement, and construction services to the oil & gas sectors within Nigeria and the Sub-Saharan Africa region, using…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Thompson & Grace Investments Limitedthompsonandgrace.com HQ: Port-harcourt, NigeriaReported employees: 201-500 | Port-harcourt, Nigeria | 201-500 | Exact match | 76 contacts → |
“Thompson & Grace Investment Limited (TGIL) an Engineering/ Oilfield Service company in Nigeria provides services to the Engineering Sector/Oil and Gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Elper Oilfield Engineeringelpernigeria.com HQ: Lagos, NigeriaReported employees: 501-1,000 | Lagos, Nigeria | 501-1,000 | Exact match | 74 contacts → |
“ELPER has built in time, a strong international network, and a specialized engineering company, providing services ranging from Engineering Procurement & Construction to Marine…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Crestech Engineering Limited, Lagos - Nigeriacrestechengineering.com HQ: Lagos, NigeriaReported employees: 51-200 | Lagos, Nigeria | 51-200 | Exact match | 72 contacts → |
“Crestech is an Engineering Design and Project Management Company with its head office in Victoria Island, Lagos, Nigeria.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Frazimex Engineering Limitedfrazimex.com HQ: Port Harcourt, NigeriaReported employees: 201-500 | Port Harcourt, Nigeria | 201-500 | Exact match | 70 contacts → |
“FRAZIMEX ENGINEERING LIMITED, a member of Oilserv group was incorporated in 2005 under the laws of the Federal republic of Nigeria as a private limited liability company that…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Weltek Limitedweltekng.com HQ: Port Harcourt, NigeriaReported employees: 11-50 | Port Harcourt, Nigeria | 11-50 | Exact match | 58 contacts → |
“Weltek Limited is a Nigerian engineering and energy-services company established in 1986.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ashbard Energy Company Limitedashbardenergy.com HQ: Port - Harcourt, NigeriaReported employees: 201-500 | Port - Harcourt, Nigeria | 201-500 | Exact match | 55 contacts → |
“Incorporated in 2004, Ashbard Energy Company Limited is an indigenous engineering services provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Bridgsite Nigeria Limited BNLbridgsitelimited.com HQ: Port Harcourt, NigeriaReported employees: 201-500 | Port Harcourt, Nigeria | 201-500 | Exact match | 52 contacts → |
“BRIDGSITE NIGERIA LIMITED (BNL) is an indigenous Engineering and Construction Services Company engaged in the provision of solution oriented, cost effective and responsive high…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Deltatek Offshore Limiteddeltatekoffshore.com HQ: Lagos, NigeriaReported employees: 201-500 | Lagos, Nigeria | 201-500 | Exact match | 48 contacts → |
“DeltaTek Offshore Ltd is a leading Engineering, Procurement, Installation, Construction, and Commissioning (EPICC) service provider in the oil and gas sector of Sub-Sahara Africa.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Andster Engineeringandsterengineering.com HQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 44 contacts → |
“Andster Engineering provide multi-discipline engineering, technical services to industrial clients in Nigeria Oil & Gas Sector, Power & Energy Sector, Manufacturing & Production…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Tomsey Engineering & Services International LTDtomsey.com.ng HQ: Ikeja, NigeriaReported employees: 11-50 | Ikeja, Nigeria | 11-50 | Exact match | 39 contacts → |
“TOMSEY Engineering & Services International Ltd is a trusted provider of Engineering, Procurement, and Construction (EPC) services to Nigeria’s Oil & Gas, Power, Petrochemical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Geoscape Limitedgeoscapeltd.com HQ: Lagos, NigeriaReported employees: 11-50 | Lagos, Nigeria | 11-50 | Exact match | 36 contacts → |
“Geoscape Limited is a certified Oil and gas engineering services company in Nigeria with many years of experience and knowledge of international standards, technological and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Emobella Engineering Nigeria Limitedemobellaengineering.com HQ: Ikeja, NigeriaReported employees: 11-50 | Ikeja, Nigeria | 11-50 | Exact match | 35 contacts → |
“Emobella Engineering Nigeria Limited is an indigenous engineering support service company incorporated in 2015 under the laws of the Federal Republic of Nigeria, A registered…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ikosh Nigeria Limitedikoshlimited.com HQ: Portharcourt, NigeriaReported employees: 11-50 | Portharcourt, Nigeria | 11-50 | Exact match | 35 contacts → |
“Ikosh Nigeria Limited is an indigenous engineering company that provides top-level services to International Oil Companies (IOCs) and Marginal Field Operators (MFOs) within the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Waal Energy Services Limitedwaalenergy.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 32 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Weam And Company Limitedweamandcompany.com HQ: Port Harcourt, NigeriaReported employees: 51-200 | Port Harcourt, Nigeria | 51-200 | Exact match | 29 contacts → |
“Weam and Company Limited, established in 1985, is an ISO 9001:2015 and COREN certified multidisciplinary engineering services company, providing a diverse range of client-focused…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 506 company matches
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Refinery design companies: dataset insights
November 6, 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
504 records in the displayed employee bands.
2 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 worldwide rather than for Nigeria, so it is reported there. Company counts and contact totals on this page are exact for Nigeria, over 506 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: November 6, 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 ↗
Refinery design companies by metro
Questions about this company list
What does Exact match mean for refinery design companies?
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 refinery design companies did RevenueBase find based in Nigeria?
The saved snapshot records 506 matching company records, 6,792 tracked contacts and 871 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: November 6, 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 refinery design companies based in Nigeria. Snapshot: November 6, 2026. https://revenuebase.ai/companies/refinery-design-companies/nigeria.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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