Company lists · Data refreshed November 2026

Top 25 Oil and gas software developers worldwide

Name: Oil and gas software developers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 3,951 companies tracked

RevenueBase identified 3,951 company matches for oil and gas software developers worldwide as of November 2026 and tracks 322,531 professional contacts across them, including 87,978 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for oil and gas software developers 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 5, 2026. Country and city lists for oil and gas software developers 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 5, 2026 How this list was built

3,951Companies

322,531Contacts tracked

87,978Verified emails

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The 25 largest oil and gas software developers worldwide

Ranked by team size

Top 25 of 3,951 company matches for oil and gas software developers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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	SLB	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 2026	10001+	82,942 contacts →
	Exact match “SLB is a global technology company that has driven energy innovation for more than a century.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	Halliburton	Exact match	Houston, United StatesHQ recorded Nov 5, 2026	10001+	58,281 contacts →
	Exact match “We collaborate and engineer solutions to maximize asset value for our customers.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	NOV	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 2026	10001+	30,477 contacts →
	Exact match “NOV delivers technology-driven solutions to empower the global energy industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Aker Solutions	Exact match	Fornebu, NorwayHQ recorded Nov 5, 2026	10001+	16,534 contacts →
	Exact match “Aker Solutions is a global engineering and technology company known for delivering complex energy projects with trusted quality and predictable results.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	EXPRO	Exact match	Houston, United StatesHQ recorded Nov 5, 2026	5,001-10,000	6,924 contacts →
	Exact match “Long recognized for extraordinary performance, superb safety and long-standing partnerships, and now incorporating Frank’s International, Expro is focused on enabling our…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Nabors Industries	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
7	Perenco	Exact match	Londres, United KingdomHQ recorded Nov 5, 2026	5,001-10,000	5,669 contacts →
	Exact match “Founded over thirty years ago, Perenco is an independent hydrocarbon producer involved in the entire lifecycle of projects, from exploration to decommissioning.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Aspen Technology	Exact match	Bedford, United StatesHQ recorded Nov 5, 2026	1,001-5,000	3,556 contacts →
	Exact match “AspenTech is a global software leader helping industries at the forefront of the world’s dual challenge meet the increasing demand for resources from a rapidly growing population…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Perbras	Exact match	Catu, BrazilHQ recorded Nov 5, 2026	1,001-5,000	3,162 contacts →
	Exact match “A PERBRAS é uma empresa brasileira que atua há 50 anos no mercado de Petróleo e Gás em diversas regiões do Brasil.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	KEY Energy Services	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
11	Oilserv	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
12	Tp-Otc	Exact match	Çankaya, TürkiyeHQ recorded Nov 5, 2026	501-1,000	1,813 contacts →
	Exact match “TP-OTC is established to provide all engineering and technology services for offshore operations in oil and gas industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	Geolog International	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 5, 2026	1,001-5,000	1,792 contacts →
	Exact match “Every year, drilling teams make decisions worth millions of dollars on incomplete information.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Quorum Software	Exact match	Houston, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,623 contacts →
	Exact match “Quorum Software is a leading provider of energy software worldwide powering growth and profitability for energy businesses by connecting people, workflows, and systems with…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Core Laboratories	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,601 contacts →
	Exact match “With over 70 offices in more than 50 countries located in major oil-producing provinces, Core Laboratories provides services to the world's major, national, and independent oil…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	ANTON	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 5, 2026	5,001-10,000	1,522 contacts →
	Exact match “Anton Oilfield Services Group (hereinafter as “Anton”) is the world's leading integrated oilfield technology service company that provides clients with a full range of products…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Dril-Quip	Exact match	Houston, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
18	Waha OIL Company	Exact match	LibyaHQ recorded Nov 5, 2026	1,001-5,000	1,357 contacts →
	Exact match “oil and gas” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	R Associates INC	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
20	Abraj Energy Services	Exact match	Muscat, OmanHQ recorded Nov 5, 2026	1,001-5,000	1,315 contacts →
	Exact match “Abraj Energy Services ("Abraj"), was founded in May 2006 and has taken major strides.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Sertecpet	Exact match	Quito - El Coca, EcuadorHQ recorded Nov 5, 2026	1,001-5,000	1,231 contacts →
	Exact match “SERTECPET® is a multinational company specialized in providing worldwide Integrated Energy Solutions with state-of-the-art technology.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Emdad Group	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Nov 5, 2026	1,001-5,000	1,126 contacts →
	Exact match “Emdad LLC is a leading UAE-based service provider in the Oil & Gas sector, delivering integrated solutions that support upstream and downstream operations.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Welltec	Exact match	Allerød, DenmarkHQ recorded Nov 5, 2026	501-1,000	1,124 contacts →
	Exact match “Welltec® is a global technology company that develops and provides efficient, hi-tech solutions for the energy industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Hal, INC	Exact match	Houston, TX, United StatesHQ recorded Nov 5, 2026	n/a	947 contacts →
	Exact match “Since 1992, HAL, Inc.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Excellence Logging	Exact match	London W2 2es, United KingdomHQ recorded Nov 5, 2026	1,001-5,000	866 contacts →
	Exact match “Excellence Logging is an established energy services provider focused on optimizing well performance.” Recorded in the RevenueBase company graph · Nov 5, 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 “oil and gas software developers”. 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 3,951 oil and gas software developers worldwide

See the full list, filter by size, metro and specialty, and access 87,978 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil and gas software developers worldwide at a glance

As of Nov 5, 2026

27.3%Verified-email coverage

81.6Average contacts per company

11-50Median size (employees)

7.2%Largest-city concentration · Houston

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

1,592

11-50

1,393

51-200

607

201-500

167

501-1,000

1,001-5,000

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 oil and gas software developers are linked below.
What qualifies: Company records worldwide whose business descriptions match “oil and gas software developers” 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 87,978 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 5, 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.

Oil and gas software developers by location

31 lists · largest first

Every Oil and gas software developers 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 “oil and gas software developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas software developers are there worldwide?

RevenueBase identified 3,951 company matches for oil and gas software developers 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?

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

Which country has the most oil and gas software developers?

The United States leads with 1,011 companies, followed by Canada (279) and the United Kingdom (266). Every oil and gas software developers list by country and city is linked on this page.

Which city has the most oil and gas software developers?

Houston leads with 285 company records, followed by Calgary (178) and Tehran (64).

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 87,978 professional contacts with verified work emails tracked across these 3,951 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 5, 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.