Company lists · Data refreshed November 2026

Top 25 Jack-up rig builders worldwide

RevenueBase identified 211 company matches for jack-up rig builders worldwide as of November 2026 and tracks 43,754 professional contacts across them, including 5,378 with verified work emails. The United States is the largest market and Singapore the largest hub.

This list covers company matches for jack-up rig builders worldwide, 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. Country and city lists for jack-up rig builders follow the table.

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 6, 2026 How this list was built
211Companies
43,754Contacts tracked
5,378Verified emails
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The 25 largest jack-up rig builders worldwide

Ranked by team size
Top 25 of 211 company matches for jack-up rig builders worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchHouston, TX, United StatesHQ recorded Nov 6, 20265,001-10,0006,077 contacts →

Exact match

“Noble is a leading offshore drilling contractor for the oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,0002,887 contacts →

Exact match

“Shelf Drilling is a wholly owned subsidiary of ADES Holding Company, a leading international oil and gas drilling services provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAl-khobar, Saudi ArabiaHQ recorded Nov 6, 20265,001-10,0002,169 contacts →

Exact match

“We are the region’s trusted onshore and offshore oil & gas drilling company with an extensive track record of operational excellence and advanced capabilities that have enabled…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,0001,853 contacts →

Exact match

“Borr Drilling Limited is an offshore shallow-water drilling contractor providing worldwide offshore drilling services to the oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSingaporeHQ recorded Nov 6, 20261,001-5,0001,672 contacts →

Exact match

“Delivering Sustainable Synergies for Global Possibilities Sembcorp Marine is an integrated brand offering one-stop engineering solutions for the offshore, marine and energy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchRas Al-khair, Saudi ArabiaHQ recorded Nov 6, 202610001+1,651 contacts →

Exact match

“تُعد الشركة العالمية للصناعات البحرية أكبر حوض بحري متكامل يقدم جميع الخدمات في منطقة الشرق الأوسط وشمال أفريقيا، وهي مشروع مشترك بين أرامكو السعودية، والبحري، ولامبريل، وهيونداي…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchUnited StatesHQ recorded Nov 6, 20261,001-5,0001,549 contacts →

Exact match

“Somos uma empresa focada em oferecer soluções em Perfuração Offshore, com expertise e excelência em afretamento e operação de sondas para águas ultraprofundas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDoha, QatarHQ recorded Nov 6, 20261,001-5,0001,490 contacts →

Exact match

“Gulf Drilling International Limited (GDI) was established in May 2004 as a joint venture between Qatar Petroleum (QP) and Japan Drilling Company (JDC), making it the first Qatari…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,408 contacts →

Exact match

“Headquartered in Houston, Hercules Offshore, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,276 contacts →

Exact match

“We Are Valaris With decades of expertise and strategic commitment built on efficiency, capability and ingenuity, our sights are continually set toward a future built with purpose…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchHamilton, BermudaHQ recorded Nov 6, 2026501-1,0001,077 contacts →

Exact match

“Vantage is an international offshore drilling contractor, formed in 2007, which markets, operates and manages modern, high specification drilling rigs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchYantai, ChinaHQ recorded Nov 6, 202610001+759 contacts →

Exact match

“Yantai CIMC Raffles Offshore Technology Group Co, Ltd.(“CIMC Raffles”) is a leading offshore engineering and high-end marine equipment group in China, with a strong focus on the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHouston, United StatesHQ recorded Nov 6, 2026501-1,000700 contacts →

Exact match

“Atwood Oceanics, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHoofddorp, NetherlandsHQ recorded Nov 6, 20261,001-5,000658 contacts →

Exact match

“Headquartered in Hoofddorp, the Netherlands, Dixstone is an affiliate of the Perenco Group, specialized in integrated solutions for the industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBintan, IndonesiaHQ recorded Nov 6, 2026201-500612 contacts →

Exact match

“Fabrication yard (49 hectares)with fully automated machines, auto-blasting chambers with jetty.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchTehran, IranHQ recorded Nov 6, 20261,001-5,000540 contacts →

Exact match

“Iranian Offshore Engineering and Construction Company (IOEC) is a private company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchVlissingen, NetherlandsHQ recorded Nov 6, 202651-200384 contacts →

Exact match

“Heerema Fabrication Group (HFG) is a leading engineering and fabrication contractor for offshore structures to the oil & gas and energy-related industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchRak, MoroccoHQ recorded Nov 6, 20261,001-5,000354 contacts →

Exact match

“Eversendai Offshore is established as an Oil & Gas EPC contractor, specialising in complex fabrication projects, ranging from medium sized turnkey to large EPC projects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHoofddorp, NetherlandsHQ recorded Nov 6, 20261,001-5,000318 contacts →

Exact match

“Seafox is a leading global offshore jack-up company, providing services to support the oil & gas and renewable industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNavi Mumbai, IndiaHQ recorded Nov 6, 20261,001-5,000311 contacts →

Exact match

“Established in 1987, DAS Offshore Limited is a trusted engineering, fabrication, and contracting company with a strong legacy in delivering offshore and infrastructure solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSchiedam, TX, NetherlandsHQ recorded Nov 6, 2026201-500287 contacts →

Exact match

“GustoMSC, part of NOV, provides offshore designs, reliable equipment and engineering solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPensacola, TX, United StatesHQ recorded Nov 6, 202651-200269 contacts →

Exact match

“Offshore Inland Marine & Oilfield Services, Inc.(OIMO) corporate headquarters in Pensacola,FL provides a full range of Drilling Rig services and construction support activities…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCiudad Del Carmen, MexicoHQ recorded Nov 6, 2026501-1,000213 contacts →

Exact match

“Fontis Energy (formerly known as Seamex) is an offshore drilling contractor with a fleet of five high-specification jack-up rigs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchPerth, United StatesHQ recorded Nov 6, 202651-200157 contacts →

Exact match

“ICON Engineering is an innovative, fast-response oilfield service company offering a range of services including facilities engineering services from concept through to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAberdeen, United KingdomHQ recorded Nov 6, 202651-200147 contacts →

Exact match

“MDL - We Build Innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 211 jack-up rig builders worldwide

See the full list, filter by size, metro and specialty, and access 5,378 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Jack-up rig builders worldwide at a glance

As of Nov 6, 2026
12.3%Verified-email coverage
207.4Average contacts per company
51-200Median size (employees)
11.4%Largest-city concentration · Singapore
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
30
11-50
47
51-200
56
201-500
20
501-1,000
19
1,001-5,000
29
5,001-10,000
3
10001+
6

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for jack-up rig builders are linked below.
What qualifies
Company records worldwide whose business descriptions match “jack-up rig builders” 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. 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 5,378 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.

Jack-up rig builders by location

1 lists · largest first

Every Jack-up rig builders list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “jack-up rig builders”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many jack-up rig builders are there worldwide?

RevenueBase identified 211 company matches for jack-up rig builders worldwide 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?

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

Which country has the most jack-up rig builders?

The United States leads with 43 companies. Every jack-up rig builders list by country and city is linked on this page.

Which city has the most jack-up rig builders?

Singapore leads with 24 company records, followed by Houston (21) and London (6).

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 5,378 professional contacts with verified work emails tracked across these 211 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.

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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.