Company lists · Data refreshed November 2026

Top 25 Oil and gas power contractors based in Greece

RevenueBase identified 88 company matches for oil and gas power contractors associated with Greece as of November 2026 and tracks 1,118 professional contacts across them, including 441 with verified work emails. Athens is the largest hub.

This list covers company matches for oil and gas power contractors associated with Greece, 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 4, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 4, 2026 How this list was built
88Companies
1,118Contacts tracked
441Verified emails
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The 25 largest oil and gas power contractors based in Greece

Ranked by team size
Top 25 of 88 company matches for oil and gas power contractors based in Greece, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 4, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchChalandri, GreeceHQ recorded Nov 4, 202651-200115 contacts →

Exact match

“PROTASIS Engineering & Consulting, headquartered in Athens, Greece was established in 2002 operating in the wider HV and MV energy generation, transmission and distribution…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
2Exact matchAgia Paraskevi, GreeceHQ recorded Nov 4, 2026201-500114 contacts →

Exact match

“Hydrus is a global engineering firm delivering technologies and services in the Maritime, Energy, Oil and Gas Sectors.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3Exact matchMarousi, GreeceHQ recorded Nov 4, 202651-20095 contacts →

Exact match

“Paralos Energy specialises in the design, construction, commissioning, operation and maintenance of energy projects.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
4Exact matchVolos, GreeceHQ recorded Nov 4, 2026201-50052 contacts →

Exact match

“ILVIEF was founded in 1979 in Volos.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
5Exact matchAthens, GreeceHQ recorded Nov 4, 202651-20050 contacts →

Exact match

“C&M Engineering is a Consulting Engineering company, in Project Management & Control, Design & Engineering, Construction Management, operating in South-East Europe.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6Exact matchAthens, GreeceHQ recorded Nov 4, 202651-20043 contacts →

Exact match

“Established in 1991, ERGOTEM operates in local and international markets, following a steady growth path since its foundation with excellent potential for future expansion.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7Exact matchSindos, GreeceHQ recorded Nov 4, 202651-20039 contacts →

Exact match

“Semac Group, based in Greece, consists of Semac Construction S.A.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8Exact matchLykovrysi, GreeceHQ recorded Nov 4, 202651-20035 contacts →

Exact match

“MGK Tech is an engineering firm specialized in Engineering, Procurement, Construction, Commissioning and O&M Services for Electrical Substations, Conventional and Renewable Power…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
9Exact matchAgios Dimitrios, GreeceHQ recorded Nov 4, 202651-20026 contacts →

Exact match

“Powering tomorrow's infrastructure through engineering excellence.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
10Exact matchAigaleo, GreeceHQ recorded Nov 4, 202651-20023 contacts →

Exact match

“ATEKE is a dynamic and highly specialized construction and engineering company based in Athens, Greece, with a strong legacy of delivering complex infrastructure, energy, and…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
11Exact matchAthens, GreeceHQ recorded Nov 4, 202611-5020 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12Exact matchMarousi, GreeceHQ recorded Nov 4, 202611-5018 contacts →

Exact match

“Gecko Power Solutions is an engineering and consulting company specialized in Power Grids, HV & MV Substations, Power Generation and Industry projects.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13Exact matchMetamorfosi, GreeceHQ recorded Nov 4, 202651-20017 contacts →

Exact match

“DIMKAT Construction is a Greece based enterprise and specializes in the development and EPC of Renewable Energy projects.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14Exact matchAthens, GreeceHQ recorded Nov 4, 202611-5017 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15Exact matchPiraeus, GreeceHQ recorded Nov 4, 202611-5017 contacts →

Exact match

“PanMarine & Industrial Services Ltd was established in Piraeus, to accommodate the needs of the Greek Marine, Power and Industrial sectors.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16Exact matchAthens, GreeceHQ recorded Nov 4, 202611-5015 contacts →

Exact match

“Pipeserv is an engineering, construction and consulting partner for industrial projects.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17Exact matchThessaloniki, GreeceHQ recorded Nov 4, 202651-20014 contacts →

Exact match

“Our company CONTROLS VASILOGLOU started its activities in 2002 in Greece by combining the knowledge and experience of members from past activities.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18Exact matchAthens, GreeceHQ recorded Nov 4, 202611-5014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19Exact matchPiraeus, GreeceHQ recorded Nov 4, 202611-5011 contacts →

Exact match

“Pantechnic Ltd offers first class engineering services for the marine,power and oil & gas applications.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20Exact matchLykovrysi, GreeceHQ recorded Nov 4, 202611-509 contacts →

Exact match

“Inovtech Engineering & Consulting provides diverse specialist services to renewable energy & power generation developers & contractors, distribution & transmission utilities, and…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
21Exact matchΧαλάνδρι, GreeceHQ recorded Nov 4, 20261-109 contacts →

Exact match

“GSK Construction covers a wide range of services in the engineering and construction sector for both industries and individuals.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
22Exact matchAcharnai, GreeceHQ recorded Nov 4, 202651-2007 contacts →

Exact match

“Since its foundation and up to the present day, ADM has been providing customized electromechanical solutions, construction and high-quality services in the fields of Energy…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
23Exact matchAthens, GreeceHQ recorded Nov 4, 202611-507 contacts →

Exact match

“Meleccon ranks among the most reliable companies that specialize in the supply, installation, and maintenance of specialized industrial electrical & mechanical equipment for…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
24Exact matchThessaloniki, GreeceHQ recorded Nov 4, 202651-2006 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
25Exact matchThessaloniki, GreeceHQ recorded Nov 4, 20261-106 contacts →

Exact match

“ARIGNOTI Engineering founded in 2021, has already developed extensive expertise in industrial and energy generation projects, combining project design and engineering with…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase

Showing 25 of 88 oil and gas power contractors based in Greece

See the full list, filter by size, metro and specialty, and access 441 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil and gas power contractors based in Greece at a glance

As of Nov 4, 2026
39.4%Verified-email coverage
12.7Average contacts per company
11-50Median size (employees)
25.0%Largest-city concentration · Athens
Nov 4, 2026Page data refreshed

Companies by employee count

1-10
34
11-50
29
51-200
20
201-500
3
501-1,000
1
10001+
1

Email recency for this list is measured worldwide rather than for Greece, so it is reported there. Company counts and contact totals on this page are exact for Greece, over 88 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 Greece whose business descriptions match “oil and gas power contractors” 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 441 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 4, 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.

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 and gas power contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas power contractors are there based in Greece?

RevenueBase identified 88 company matches for oil and gas power contractors associated with Greece 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?

Protasis SA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most oil and gas power contractors?

Athens leads with 22 company records, followed by Kozani (4) and Piraeus (4).

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 441 professional contacts with verified work emails tracked across these 88 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 4, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase 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.