Company lists · Data refreshed September 2026

Top 8 Offshore rig construction companies based in Italy

RevenueBase identified 25 offshore rig construction companies headquartered in Italy as of September 2026 and tracks 34,892 professional contacts across them, including 10,009 with verified work emails. Ravenna is the largest hub.

This list covers offshore rig construction companies headquartered in Italy, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review
25Companies
34,892Contacts tracked
10,009Verified emails
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The 8 largest offshore rig construction companies based in Italy

Ranked by team size
Top 8 of 25 offshore rig construction companies based in Italy, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to offshore rig construction companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceMilan, ItalyHQ checked Sep 17, 202610001+34,095 contacts →

Strong evidence

“Saipem is a global leader in the engineering and construction of major projects for the energy and infrastructure sectors, both offshore and onshore.”

Source: RevenueBase Database · checked Sep 17, 2026
2Strong evidenceGariga Di Podenzano, ItalyHQ checked Sep 17, 2026501-1,000369 contacts →

Strong evidence

“Drillmec is an international leader in design, manufacturing and distribution of drilling and workover rigs for onshore and offshore applications as well as a wide range of…”

Source: RevenueBase Database · checked Sep 17, 2026
3Partial evidenceTaranto, ItalyHQ checked Sep 17, 2026501-1,000141 contacts →

Partial evidence

“Tecnomec Engineering develops solutions, products and services for different purposes: Oil & Gas companies, onshore and offshore structures, Petrochemical & Power-Generation…”

Source: RevenueBase Database · checked Sep 17, 2026
4Indirect evidenceGuidonia Montecelio (rome), ItalyHQ checked Sep 17, 202651-20032 contacts →

Indirect evidence

“GeoTeam Spa is a joint stock company, founded in 2008, parent company of a group of companies operates globally and present in Azerbaijan, Mozambique, Russia, United Arab…”

Source: RevenueBase Database · checked Sep 17, 2026
5Partial evidenceRavenna, ItalyHQ checked Sep 17, 20261,001-5,00012 contacts →

Partial evidence

“Rosetti Marino SpA is an Italy-based company primarily engaged in the provision of engineering and construction services for oil and gas industry.”

Source: RevenueBase Database · checked Sep 17, 2026
6Indirect evidenceRavenna, ItalyHQ checked Sep 17, 2026501-1,00010 contacts →

Indirect evidence

“MARINE SHIPYARDS AND INDUSTRIAL PLANTS Our organization was established by a consortium of companies operating in the marine and industrial fields.”

Source: RevenueBase Database · checked Sep 17, 2026
7Partial evidenceComo, ItalyHQ checked Sep 17, 202611-507 contacts →

Partial evidence

“Sisgen is an organization of men and machines capability committed to word wide underwater engineering and construction ocean industry.”

Source: RevenueBase Database · checked Sep 17, 2026
8Partial evidenceMilano, ItalyHQ checked Sep 17, 202611-506 contacts →

Partial evidence

“FLEXA Srl is a design and construction firm with extensive engineering know-how applied to both on-shore and off-shore facilities”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 8 of 25 offshore rig construction companies based in Italy

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Offshore rig construction companies based in Italy at a glance

As of Sep 17, 2026
28.7%Verified-email coverage
1395.7Average contacts per company
51-200Median size (employees)
16.0%Largest-city concentration · Ravenna
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
3
11-50
8
51-200
8
201-500
1
501-1,000
3
1,001-5,000
1
10001+
1

Email recency for this list is measured worldwide rather than for Italy, so it is reported there. Company counts and contact totals on this page are exact for Italy, over 25 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among offshore rig construction companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Italy whose own description of what they do matches “offshore rig construction companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names offshore rig construction companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among offshore rig construction companies, and records with no verified work email. Companies headquartered outside Italy are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 10,009 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 17, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names offshore rig construction companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many offshore rig construction companies are there based in Italy?

RevenueBase identified 25 offshore rig construction companies headquartered in Italy as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Saipem, headquartered in Milan, tops this list with the largest team on record.

Which city has the most offshore rig construction companies?

Ravenna leads with 4 headquartered companies, followed by Trieste (2) and Besenzone (1).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 10,009 verified decision-maker contacts tracked across these 25 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.