Company lists · Data refreshed November 2026

Top 25 Oilfield equipment installation contractors worldwide

Name: Oilfield equipment installation contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 4, 2026 7,574 companies tracked

RevenueBase identified 7,574 company matches for oilfield equipment installation contractors worldwide as of November 2026 and tracks 285,010 professional contacts across them, including 40,328 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for oilfield equipment installation contractors 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 4, 2026. Country and city lists for oilfield equipment installation contractors 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 4, 2026 How this list was built

7,574Companies

285,010Contacts tracked

40,328Verified emails

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The 25 largest oilfield equipment installation contractors worldwide

Ranked by team size

Top 25 of 7,574 company matches for oilfield equipment installation contractors worldwide, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Nabors Industries	Exact match	Houston, TX, United StatesHQ recorded Nov 4, 2026	10001+	6,404 contacts →
	Exact match “Nabors Industries is a leading provider of advanced technology for the energy industry.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
2	Altrad	Exact match	Montpellier, FranceHQ recorded Nov 4, 2026	10001+	3,588 contacts →
	Exact match “ALTRAD AT A GLANCE Altrad is a world leader in the provision of industrial services, generating high-added value solutions principally for the Energy, Power Generation, Oil & Gas…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3	Valaris Limited	Exact match	Houston, United StatesHQ recorded Nov 4, 2026	5,001-10,000	3,352 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 4, 2026 · View company records in RevenueBase
4	KEY Energy Services	Exact match	Houston, TX, United StatesHQ recorded Nov 4, 2026	1,001-5,000	2,991 contacts →
	Exact match “Headquartered in Houston, Texas, Key Energy Services provides a wide array of leading edge energy production solutions and services.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
5	Estrutural	Exact match	Porto Alegre, BrazilHQ recorded Nov 4, 2026	1,001-5,000	2,955 contacts →
	Exact match “Quem somos: Somos uma empresa nacional, com mais de 30 anos no segmento da construção, montagem e manutenção industrial.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6	Heerema Marine Contractors	Exact match	Leiden, NetherlandsHQ recorded Nov 4, 2026	1,001-5,000	2,841 contacts →
	Exact match “Heerema Marine Contractors is a world-leading marine contractor in the international offshore energy industry.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7	Precision Drilling	Exact match	Calgary, TX, CanadaHQ recorded Nov 4, 2026	5,001-10,000	2,730 contacts →
	Exact match “Precision is a leading provider of safe and High Performance, High-Value services to the oil and gas industry.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8	Montcalm Montagens Industriais	Exact match	São Paulo, BrazilHQ recorded Nov 4, 2026	1,001-5,000	2,431 contacts →
	Exact match “Fundada em 1971, a Montcalm tem como missão, oferecer soluções de engenharia construtiva para implantação, ampliação e manutenção de indústrias de processos, sempre com o…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
9	Oilserv	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 4, 2026	1,001-5,000	2,408 contacts →
	Exact match “OiLSERV is a provider of an expanding range of oilfield services, including well logging, well testing, production enhancement, drilling services, surface production management…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
10	SAN Antonio Internacional	Exact match	Comuna 1, ArgentinaHQ recorded Nov 4, 2026	1,001-5,000	2,324 contacts →
	Exact match “Somos la mayor prestadora de servicios de perforación de la Argentina y somos líderes en la prestación de servicios asociados al mantenimiento y optimización de los pozos de…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
11	Egyptian Drilling Company EDC	Exact match	Cairo, EgyptHQ recorded Nov 4, 2026	5,001-10,000	2,168 contacts →
	Exact match “EDC is one of the leading drilling contractors in Egypt and the MENA region; established in 1976 in partnership with Maersk Drilling, EDC is now 100% owned by Egyptian General…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12	Pt. Meindo Elang Indah	Exact match	Jakarta, IndonesiaHQ recorded Nov 4, 2026	1,001-5,000	2,143 contacts →
	Exact match “PT Meindo Elang Indah is one of the leading EPCI companies in Indonesia, providing fully integrated solutions in Engineering, Procurement, Construction, and Installation services…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13	Superior Energy Services	Exact match	Houston, TX, United StatesHQ recorded Nov 4, 2026	1,001-5,000	2,119 contacts →
	Exact match “For oil & gas exploration and production companies worldwide, Superior Energy Services is an oilfield products and services company with global reach, financial stability and…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14	ELFE	Exact match	Macaé, BrazilHQ recorded Nov 4, 2026	1,001-5,000	2,045 contacts →
	Exact match “No mercado há mais de duas décadas, a Axia é uma empresa nacional com atuação em operação e manutenção industrial.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15	Groupe Ponticelli Frères	Exact match	FranceHQ recorded Nov 4, 2026	5,001-10,000	1,953 contacts →
	Exact match “The Ponticelli Frères Group is one of the main European service suppliers to companies in the energy (oil and gas, nuclear, renewable energy), industrial (chemical, steelworks…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16	PT Timas Suplindo	Exact match	Jakarta, IndonesiaHQ recorded Nov 4, 2026	1,001-5,000	1,912 contacts →
	Exact match “Founded in 1989 as a fabricator and erector of mechanical equipment company, Timas has now transformed and established as one of Indonesian leading onshore & offshore EPCIC…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17	OIL States International	Exact match	Houston, TX, United StatesHQ recorded Nov 4, 2026	5,001-10,000	1,831 contacts →
	Exact match “Oil States International, Inc.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18	Audubon Companies	Exact match	Houston, LA, United StatesHQ recorded Nov 4, 2026	1,001-5,000	1,699 contacts →
	Exact match “Founded in 1997, Audubon Companies LLC provides EPC, consulting, fabrication, and field services to energy and industrial operators across the globe.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19	Dialog Group Berhad	Exact match	Petaling Jaya, MalaysiaHQ recorded Nov 4, 2026	1,001-5,000	1,637 contacts →
	Exact match “DIALOG is a leading integrated technical service provider to the energy sector, in Malaysia and internationally.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20	Sendan International Company	Exact match	Jubail Industrial City, Saudi ArabiaHQ recorded Nov 4, 2026	1,001-5,000	1,573 contacts →
	Exact match “Founded in 1994, Sendan has rapidly grown from a modest contractor to a reputable General Contractor for Plant Construction and Maintenance.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
21	Gulf Drilling International	Exact match	Doha, QatarHQ recorded Nov 4, 2026	1,001-5,000	1,490 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 4, 2026 · View company records in RevenueBase
22	Dril-Quip	Exact match	Houston, United StatesHQ recorded Nov 4, 2026	1,001-5,000	1,457 contacts →
	Exact match “Dril-Quip is part of Innovex, a unique energy industrial platform.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
23	Universal Plant Services	Exact match	Deer Park, TX, United StatesHQ recorded Nov 4, 2026	501-1,000	1,418 contacts →
	Exact match “Universal Plant Services (UPS) is the industry's foremost specialists in rotating and reciprocating equipment services.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
24	Bravida Danmark A S	Exact match	Brøndby, DenmarkHQ recorded Nov 4, 2026	1,001-5,000	1,385 contacts →
	Exact match “Bravida Danmark er blandt landets største tekniske installations- og servicevirksomheder med over medarbejdere i byer landet over, og vi er en arbejdsplads, der har plads til alle.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
25	R Associates INC	Exact match	Houston, TX, United StatesHQ recorded Nov 4, 2026	n/a	1,352 contacts →
	Exact match “Based in Houston, RAI has been in business over 30 years, providing hardware, support and professional services to Oil and Gas companies around the world.” Recorded in the RevenueBase company graph · Nov 4, 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 “oilfield equipment installation contractors”. 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 7,574 oilfield equipment installation contractors worldwide

See the full list, filter by size, metro and specialty, and access 40,328 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oilfield equipment installation contractors worldwide at a glance

As of Nov 4, 2026

14.1%Verified-email coverage

37.6Average contacts per company

11-50Median size (employees)

2.6%Largest-city concentration · Houston

Nov 4, 2026Page data refreshed

Companies by employee count

1-10

1,777

11-50

2,750

51-200

1,788

201-500

678

501-1,000

251

1,001-5,000

230

5,001-10,000

10001+

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 oilfield equipment installation contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “oilfield equipment installation 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. 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 40,328 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.

Oilfield equipment installation contractors by location

43 lists · largest first

Every Oilfield equipment installation contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “oilfield equipment installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oilfield equipment installation contractors are there worldwide?

RevenueBase identified 7,574 company matches for oilfield equipment installation contractors 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?

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

Which country has the most oilfield equipment installation contractors?

The United States leads with 1,681 companies, followed by Canada (429) and Nigeria (364). Every oilfield equipment installation contractors list by country and city is linked on this page.

Which city has the most oilfield equipment installation contractors?

Houston leads with 200 company records, followed by Port Harcourt (118) and Abu Dhabi (103).

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 40,328 professional contacts with verified work emails tracked across these 7,574 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.