Company lists · Data refreshed November 2026

Top 25 Oil and gas monitoring companies worldwide

RevenueBase identified 2,595 company matches for oil and gas monitoring companies worldwide as of November 2026 and tracks 100,074 professional contacts across them, including 26,757 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 monitoring companies 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 oil and gas monitoring companies 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
2,595Companies
100,074Contacts tracked
26,757Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest oil and gas monitoring companies worldwide

Ranked by team size
Top 25 of 2,595 company matches for oil and gas monitoring companies 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHouston, TX, United StatesHQ recorded Nov 4, 202610001+30,477 contacts →

Exact match

“NOV delivers technology-driven solutions to empower the global energy industry.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
2Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 4, 20261,001-5,0004,263 contacts →

Exact match

“We are the one and only national company that possesses combined competencies in oil & gas services: seismic, drilling and oilfield.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Nov 4, 20261,001-5,0002,991 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
4Exact matchDubai, United Arab EmiratesHQ recorded Nov 4, 20261,001-5,0002,408 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
5Exact matchHouston, TX, United StatesHQ recorded Nov 4, 20261,001-5,0001,926 contacts →

Exact match

“TGS provides advanced data and intelligence to companies active in the energy sector.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6Exact matchDubai, United Arab EmiratesHQ recorded Nov 4, 20261,001-5,0001,792 contacts →

Exact match

“Every year, drilling teams make decisions worth millions of dollars on incomplete information.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7Exact matchBogotá, ColombiaHQ recorded Nov 4, 20261,001-5,0001,757 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8Exact matchComuna 1, ArgentinaHQ recorded Nov 4, 20261,001-5,0001,303 contacts →

Exact match

“Somos la compañía de energía lider en la prestación de servicios integrados en la industria Oil & Gas Nuestros servicios y soluciones permiten integran toda la cadena de valor del…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
9Exact matchQuito - El Coca, EcuadorHQ recorded Nov 4, 20261,001-5,0001,231 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 4, 2026 · View company records in RevenueBase
10Exact matchAllerød, DenmarkHQ recorded Nov 4, 2026501-1,0001,124 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 4, 2026 · View company records in RevenueBase
11Exact matchMorrisville, NC, United StatesHQ recorded Nov 4, 20261,001-5,000993 contacts →

Exact match

“Sensus, a Xylem brand, helps a wide range of public service providers – from utilities to cities to industrial complexes and campuses – do more with their infrastructure to…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12Exact matchAberdeen, United KingdomHQ recorded Nov 4, 2026501-1,000981 contacts →

Exact match

“Proserv is the controls technology partner powering progress across the global energy sector.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13Exact matchDeer Park, TX, United StatesHQ recorded Nov 4, 20265,001-10,000739 contacts →

Exact match

“HPC Industrial, a Clean Harbors business, is the leading provider of specialty maintenance services and technology solutions to the critical energy infrastructure in the United…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14Exact matchCairo, EgyptHQ recorded Nov 4, 2026501-1,000686 contacts →

Exact match

“EMEC is a regional oil and gas services company built on more than four decades of operational experience, regional insight, and deep technical expertise.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15Exact matchPasadena, TX, United StatesHQ recorded Nov 4, 2026501-1,000685 contacts →

Exact match

“Headquartered in Pasadena, Texas, Pinnacle is exclusively focused on helping industrial facilities in the oil and gas, chemical, mining, and water and wastewater industries better…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16Exact matchAlice, TX, United StatesHQ recorded Nov 4, 20261,001-5,000673 contacts →

Exact match

“FESCO is a diversified energy services company providing quality equipment and experienced personnel since 1949.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17Exact matchVlaardingen, NetherlandsHQ recorded Nov 4, 20261,001-5,000632 contacts →

Exact match

“Saybolt is the trade name for Core Laboratories' laboratory analyses, independent field inspections, and monitoring and verification programs for crude oil and its derived…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18Exact matchHouston, United StatesHQ recorded Nov 4, 2026501-1,000565 contacts →

Exact match

“CETCO Energy Services (CETCO) specializes in treating complex fluids for offshore oil and gas operators.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19Exact matchMissouri City, TX, United StatesHQ recorded Nov 4, 2026201-500508 contacts →

Exact match

“GGS provides an integrated suite of Geoscience solutions to the global oil and gas industry including high-resolution RG-3D Reservoir Grade® seismic data acquisition, Multi Client…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20Exact matchMumbai, IndiaHQ recorded Nov 4, 2026501-1,000457 contacts →

Exact match

“OFI-was founded in 1992 as an OEM for Mud Logging units / Mud logging services provider.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
21Exact matchTricht, NetherlandsHQ recorded Nov 4, 2026501-1,000453 contacts →

Exact match

“We are a fast-growing global company offering inspection, industrial, and environmental services to the critical infrastructure sector.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
22Exact matchBeijing, TX, ChinaHQ recorded Nov 4, 20261,001-5,000396 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 4, 2026 · View company records in RevenueBase
23Exact matchNeuquen, ArgentinaHQ recorded Nov 4, 2026201-500337 contacts →

Exact match

“Ingeniería SIMA se desempeña en la Industria del Petróleo y Gas, desde 1979 se dedica a brindar a nuestros clientes soluciones que posibiliten la producción de hidrocarburos y la…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
24Exact matchSanta Clara, CA, United StatesHQ recorded Nov 4, 2026201-500335 contacts →

Exact match

“Reducing emissions, detecting leaks, mitigating risk, optimizing operations, ensuring compliance and advancing research are some of the challenges facing our clients.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
25Exact matchHouston, OK, United StatesHQ recorded Nov 4, 2026501-1,000319 contacts →

Exact match

“With decades of operating history and innovation across our trusted brands, Cimarron provides technology-driven emissions management solutions for the global energy system.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase

Showing 25 of 2,595 oil and gas monitoring companies worldwide

See the full list, filter by size, metro and specialty, and access 26,757 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Oil and gas monitoring companies worldwide at a glance

As of Nov 4, 2026
26.7%Verified-email coverage
38.6Average contacts per company
11-50Median size (employees)
3.9%Largest-city concentration · Houston
Nov 4, 2026Page data refreshed

Companies by employee count

1-10
943
11-50
992
51-200
437
201-500
112
501-1,000
45
1,001-5,000
37
5,001-10,000
9
10001+
4

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 monitoring companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “oil and gas monitoring companies” 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 26,757 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.

Oil and gas monitoring companies by location

17 lists · largest first

Every Oil and gas monitoring companies 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 monitoring companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas monitoring companies are there worldwide?

RevenueBase identified 2,595 company matches for oil and gas monitoring companies 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?

NOV 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 monitoring companies?

The United States leads with 668 companies, followed by Canada (176) and the United Kingdom (157). Every oil and gas monitoring companies list by country and city is linked on this page.

Which city has the most oil and gas monitoring companies?

Houston leads with 101 company records, followed by Calgary (82) and Midland (27).

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 26,757 professional contacts with verified work emails tracked across these 2,595 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.

Ready to reach these companies? Verified emails and direct dials for all 2,595 oil and gas monitoring companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.