Company lists · Data refreshed November 2026

Top 25 Drilling rig decommissioning services worldwide

RevenueBase identified 563 company matches for drilling rig decommissioning services worldwide as of November 2026 and tracks 15,591 professional contacts across them, including 2,503 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for drilling rig decommissioning services 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 drilling rig decommissioning services 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
563Companies
15,591Contacts tracked
2,503Verified emails
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The 25 largest drilling rig decommissioning services worldwide

Ranked by team size
Top 25 of 563 company matches for drilling rig decommissioning services 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, 20261,001-5,0001,814 contacts →

Exact match

“Helix Energy Solutions, headquartered in Houston, Texas, is an international offshore energy services company that provides specialty services to the offshore energy industry…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchKuala Lumpur, MalaysiaHQ recorded Nov 6, 2026501-1,000577 contacts →

Exact match

“Velesto Energy Berhad is a Malaysia-based multinational provider of services for the upstream oil and gas sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHouston, ND, United StatesHQ recorded Nov 6, 20261,001-5,000533 contacts →

Exact match

“Ranger is one of the largest providers of high specification mobile rig well services, cased hole wireline services, and ancillary services in the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchIndiaHQ recorded Nov 6, 2026201-500347 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAberdeen, United KingdomHQ recorded Nov 6, 2026201-500310 contacts →

Exact match

“Well-Safe Solutions supports each stage of the well life cycle, from cradle to grave, as part of the global energy transition.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchPau, FranceHQ recorded Nov 6, 2026201-500277 contacts →

Exact match

“With nearly two decades of experience, Caroil is a leading Drilling & Workover rig contractor with a diverse fleet of rigs and skillful and technical workforce providing safe and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSydney, AustraliaHQ recorded Nov 6, 2026201-500198 contacts →

Exact match

“Liberty Industrial is an award-winning provider of specialist decommissioning, demolition, deconstruction and remediation services across the globe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSpicalaan 13 2132 Jg Hoofddorp the Netherlands, NetherlandsHQ recorded Nov 6, 202651-200179 contacts →

Exact match

“Petrodec is a responsible offshore contractor, ready to deliver safe, efficient and innovative decommissioning or re-use solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMuscat, OmanHQ recorded Nov 6, 2026201-500172 contacts →

Exact match

“NDSC is a Drilling Rig Service provider, variety of rigs starting from core drilling to Heavy Drilling Rigs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBangkok, ThailandHQ recorded Nov 6, 2026201-500152 contacts →

Exact match

“We are a global offshore contractor and service provider with an extensive offering of well intervention and modular rigless plug and abandonment and a team of experienced…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchGlasgow, United KingdomHQ recorded Nov 6, 202651-200150 contacts →

Exact match

“Interocean provide a comprehensive range of services to the offshore oil and gas, marine, and renewable sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchHouma, TX, United StatesHQ recorded Nov 6, 2026201-500133 contacts →

Exact match

“Since 2001, Quality Energy Services has been an industry leader in providing total-solution services to energy majors in the gulf of Mexico and to future ventures in the world…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchGodley, TX, United StatesHQ recorded Nov 6, 2026201-500129 contacts →

Exact match

“Owen Oil Tools is the trade name for Core Laboratories’ downhole completion and perforating products and services, including perforating systems, energetic products, setting…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202651-200127 contacts →

Exact match

“At 360, we believe the future is shaped not just by what we build - but by what we leave behind.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchDartford, United KingdomHQ recorded Nov 6, 2026201-500124 contacts →

Exact match

“Brown and Mason are Europe's premier Industrial Demolition, Dismantling and Decommissioning contractor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLafayette, LA, United StatesHQ recorded Nov 6, 202651-200121 contacts →

Exact match

“BlueFin, a 100% employee-owned, GATE Energy company, is the field services arm of GATE Energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchUnited KingdomHQ recorded Nov 6, 20261,001-5,00097 contacts →

Exact match

“Drilling design construction and operational management company to the oil and gas industry for land based, floating and fixed offshore drilling facilities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchDyce, DenmarkHQ recorded Nov 6, 202651-20096 contacts →

Exact match

“Unity is a well decommissioning specialist and Europe’s largest independent provider of well integrity services, technology and engineering solutions for the global upstream…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLafayette, MS, United StatesHQ recorded Nov 6, 202651-20095 contacts →

Exact match

“Workover/Drilling Rigs • E-Line • Slickline • Pressure Pumping • P&A • Hot Oil • Tubing Testers• Anchor Setting •Swabbing • Pipe Recovery”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026501-1,00087 contacts →

Exact match

“Upstream International provides drilling, completions/work-over, directional, MWD, safety, fluids and MPD professionals to the oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchPort Harcourt, NigeriaHQ recorded Nov 6, 202651-20086 contacts →

Exact match

“Global Process and Pipeline Services Limited (GPPS) offer quality services and a number of innovative new technologies, that will span over the under listed Services: Pipeline…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCalgary, CanadaHQ recorded Nov 6, 2026501-1,00081 contacts →

Exact match

“Here at Eagle Well Servicing we operate a large safe and reliable fleet of mobile single, double and slant service rigs for workovers, well completions, re-entry preparation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSalzwedel, GermanyHQ recorded Nov 6, 2026201-50078 contacts →

Exact match

“With 26 drilling and workover rigs with hook loads ranging from 33 to 220 tons, and around 460 dedicated employees – more than 300 of them in operational roles – MB Well Services…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchGoes, NetherlandsHQ recorded Nov 6, 2026201-50072 contacts →

Exact match

“OOS Energy is founded in 2017 to provide Drilling and Plugging & Abandonment services to the oil & gas industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchLagos, NigeriaHQ recorded Nov 6, 2026201-50072 contacts →

Exact match

“AOECL provides Drilling & Well completion, Manpower, Procurement, Dredging, Inspection, and EPCI services (Engineering, Procurement, Technical Consultancy, Facility Maintenance…”

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

Showing 25 of 563 drilling rig decommissioning services worldwide

See the full list, filter by size, metro and specialty, and access 2,503 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Drilling rig decommissioning services worldwide at a glance

As of Nov 6, 2026
16.1%Verified-email coverage
27.7Average contacts per company
11-50Median size (employees)
4.1%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
187
11-50
181
51-200
124
201-500
39
501-1,000
17
1,001-5,000
10
5,001-10,000
1

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 drilling rig decommissioning services are linked below.
What qualifies
Company records worldwide whose business descriptions match “drilling rig decommissioning 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. 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 2,503 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.

Drilling rig decommissioning services by location

3 lists · largest first

Every Drilling rig decommissioning services 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 “drilling rig decommissioning services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many drilling rig decommissioning services are there worldwide?

RevenueBase identified 563 company matches for drilling rig decommissioning services 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?

Helix Energy Solutions Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most drilling rig decommissioning services?

The United States leads with 132 companies, followed by the United Kingdom (72) and Canada (51). Every drilling rig decommissioning services list by country and city is linked on this page.

Which city has the most drilling rig decommissioning services?

Houston leads with 23 company records, followed by Aberdeen (21) and Calgary (17).

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 2,503 professional contacts with verified work emails tracked across these 563 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.