Company lists · Data refreshed October 2026

Top 25 Blow out preventer manufacturers worldwide

RevenueBase identified 402 company matches for blow out preventer manufacturers worldwide as of October 2026 and tracks 14,122 professional contacts across them, including 3,242 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for blow out preventer manufacturers 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 October 8, 2026. Country and city lists for blow out preventer manufacturers 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 Oct 8, 2026 How this list was built
402Companies
14,122Contacts tracked
3,242Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest blow out preventer manufacturers worldwide

Ranked by team size
Top 25 of 402 company matches for blow out preventer manufacturers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 8, 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 Oct 8, 20261,001-5,000802 contacts →

Exact match

“Cactus designs, manufactures, sells and rents a range of highly-engineered wellheads and pressure control equipment.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
2Exact matchUsa, United KingdomHQ recorded Oct 8, 2026501-1,000700 contacts →

Exact match

“Delta Corporation specializes in the design and manufacture of API-compliant wellhead equipment and pressure control systems for both onshore and offshore oil and gas operations.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
3Exact matchEdmonton, AB, CanadaHQ recorded Oct 8, 20261,001-5,000656 contacts →

Exact match

“Founded in Edmonton, Alberta in 1962, Stream-Flo Industries Ltd.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Oct 8, 20261,001-5,000627 contacts →

Exact match

“Worldwide Oilfield Machine (WOM) is a multinational equipment manufacturer specializing in solutions for drilling, testing, production and intervention operations.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Oct 8, 2026201-500620 contacts →

Exact match

“Canrig® is a global supplier of rig technology used to enable safe, efficient and responsible drilling operations.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
6Exact matchKristiansand, NorwayHQ recorded Oct 8, 20261,001-5,000570 contacts →

Exact match

“October 2021.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
7Exact matchGariga Di Podenzano, ItalyHQ recorded Oct 8, 2026501-1,000368 contacts →

Exact match

“Drillmec is an international leader in design, manufacturing and distribution of drilling and workover rigs for onshore and offshore applications as well as a wide range of…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
8Exact matchDehradun, IndiaHQ recorded Oct 8, 2026201-500303 contacts →

Exact match

“Sara Sae Private Limited manufactures a diverse range of oilfield equipments thru its state of art manufacturing facilities located in Dehradun, India.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
9Exact matchEdmonton, AB, CanadaHQ recorded Oct 8, 202651-200288 contacts →

Exact match

“We deliver reliable, high-performance drilling & completion equipment, expert engineering support & responsive service to customers in 100+ countries.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
10Exact matchTroisdorf, GermanyHQ recorded Oct 8, 2026201-500249 contacts →

Exact match

“Setting the Standard in Well Completion, Perforating, Seismic and Well Abandonment Technologies.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
11Exact matchMoscow, RussiaHQ recorded Oct 8, 20261,001-5,000198 contacts →

Exact match

“NewTech Services (NewTech Services Holding Limited) is an international oilfield services company founded in 2009.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
12Exact matchSingaporeHQ recorded Oct 8, 2026501-1,000188 contacts →

Exact match

“OMS Oilfield Services is leading oilfield services and manufacturing company.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
13Exact matchAlwar, IndiaHQ recorded Oct 8, 2026201-500188 contacts →

Exact match

“We would like to introduce WELLCARE OIL TOOLS PRIVATE LIMITED, an established manufacturer and supplier of a comprehensive range of Quality Downhole Drilling and Completion…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
14Exact matchMacaé, BrazilHQ recorded Oct 8, 202651-200188 contacts →

Exact match

“Presente no setor de Petróleo e Gás desde 2009, somos uma empresa de serviços competente e confiável, focada em fornecer engenheiros subsea altamente qualificados para garantir a…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
15Exact matchSugar Land, United StatesHQ recorded Oct 8, 2026201-500174 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
16Exact matchDubai, United Arab EmiratesHQ recorded Oct 8, 202651-200170 contacts →

Exact match

“Seamless Integration Magnum Technology Center designs and manufactures complete equipment packages for Well Testing, Early Production Facilities, Underbalanced Drilling and…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
17Exact matchOklahoma City, OK, United StatesHQ recorded Oct 8, 2026201-500164 contacts →

Exact match

“Downing is an American oilfield solutions provider specializing in pressure-control technologies.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Oct 8, 202651-200158 contacts →

Exact match

“Deepsea Technologies, Inc.(DTI) Engineers and Manufactures a wide range of products and equipment used in subsea oil & gas field development projects.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
19Exact matchTomball, TX, United StatesHQ recorded Oct 8, 2026201-500155 contacts →

Exact match

“Windlass manufactures, supplies and supports a wide range of API certified drilling equipment.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
20Exact matchCatoosa, OK, United StatesHQ recorded Oct 8, 2026201-500146 contacts →

Exact match

“SERVA develops specialized gas and oilfield equipment to offer reliable, safe and efficient products for global energy development.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
21Exact matchMongstad, NorwayHQ recorded Oct 8, 2026201-500124 contacts →

Exact match

“PSW Technology offers a wide range of services and solutions to the global drilling industry.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
22Exact matchSharjah, United Arab EmiratesHQ recorded Oct 8, 202651-200121 contacts →

Exact match

“OGI FZC is a Global services provider in Rentals / Fishing /Casing running / Manufacture & Repair / inspection and pressure control, Lifting and rigging safety equipment’s and…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
23Exact matchHouma, United StatesHQ recorded Oct 8, 2026201-500120 contacts →

Exact match

“From our beginnings in 1978 as a small but unique oilfield rental tool company, Gulfstream has continually expanded and evolved to meet the needs of the ever-changing oil and gas…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
24Exact matchNotodden, NorwayHQ recorded Oct 8, 202651-200118 contacts →

Exact match

“Optime, A Halliburton Service is an innovative subsea oil and gas provider focusing on cost efficient solutions specifically towards products within the well access, well…”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase
25Exact matchNew Iberia, LA, United StatesHQ recorded Oct 8, 2026201-500117 contacts →

Exact match

“On March 12, 2025, Nabors acquired Quail Tools, the leading rental provider of best-in-class OEM-certified BOPs and high-performance downhole tubulars.”

Recorded in the RevenueBase company graph · Oct 8, 2026 · View company records in RevenueBase

Showing 25 of 402 blow out preventer manufacturers worldwide

See the full list, filter by size, metro and specialty, and access 3,242 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Blow out preventer manufacturers worldwide at a glance

As of Oct 8, 2026
23.0%Verified-email coverage
35.1Average contacts per company
11-50Median size (employees)
10.0%Largest-city concentration · Houston
Oct 8, 2026Page data refreshed

Companies by employee count

1-10
86
11-50
137
51-200
99
201-500
47
501-1,000
15
1,001-5,000
13
5,001-10,000
2
10001+
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 blow out preventer manufacturers are linked below.
What qualifies
Company records worldwide whose business descriptions match “blow out preventer manufacturers” 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 3,242 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 October 8, 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.

Blow out preventer manufacturers by location

2 lists · largest first

Every Blow out preventer manufacturers 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 “blow out preventer manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many blow out preventer manufacturers are there worldwide?

RevenueBase identified 402 company matches for blow out preventer manufacturers worldwide as of October 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?

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

Which country has the most blow out preventer manufacturers?

The United States leads with 139 companies. Every blow out preventer manufacturers list by country and city is linked on this page.

Which city has the most blow out preventer manufacturers?

Houston leads with 40 company records, followed by Singapore (11) and Aberdeen (10).

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 3,242 professional contacts with verified work emails tracked across these 402 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 October 8, 2026.

Ready to reach these companies? Verified emails and direct dials for all 402 blow out preventer manufacturers 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.