Company lists · Data refreshed September 2026
Top 25 Blowout preventer maintenance companies worldwide
RevenueBase identified 185 blowout preventer maintenance companies worldwide as of September 2026 and tracks 4,085 professional contacts across them, including 600 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers blowout preventer maintenance companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for blowout preventer maintenance companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest blowout preventer maintenance companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 299 contacts → | ||||
Indirect evidence “Sara Sae Private Limited manufactures a diverse range of oilfield equipments thru its state of art manufacturing facilities located in Dehradun, India.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 195 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 171 contacts → | ||||
Indirect evidence “In 2009, the company was incorporated in the Kingdom of Bahrain as MTQ Oilfield Services W.L.L (MTQOS) and became a wholly-owned subsidiary of MTQ Group, which is listed on the…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 149 contacts → | ||||
Indirect evidence “Borets is one of the leading manufacturers of oilfield equipment in the world offering a complete array of oil recovery products and services in the operation, repair, and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 134 contacts → | ||||
Indirect evidence “On March 12, 2025, Nabors acquired Quail Tools, the leading rental provider of best-in-class OEM-certified BOPs and high-performance downhole tubulars.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 124 contacts → | ||||
Indirect evidence “Carimin Sdn.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 117 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 103 contacts → | ||||
Indirect evidence “TCO is a Norwegian founded global oilfield service company, which specialises in the design, manufacture and installation of glass barrier plugs, chemical injection systems and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 94 contacts → | ||||
Indirect evidence “Pathfinder provides Drill Pipe & BHA Component In-field Inspection, In-field Refacing, MPI, Hardbanding, Casing Running, Casing Inspection, Tubing Inspection, Anchor Testing…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 94 contacts → | ||||
Indirect evidence “BOP hydrostatic testing Hydrovac Services Pressure washing Roustabouts Spools and DSA rentals” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 75 contacts → | ||||
Partial evidence “HIGHBASE STRATEGIC SDN BHD is a leading service provider of onshore and offshore oil & gas facilities maintenance for upstream and downstream operators.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 70 contacts → | ||||
Indirect evidence “Patterson has been at the forefront of the oilfield rental industry for over 60 years.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 61 contacts → | ||||
Partial evidence “Subsea Solutions is the leading provider of third-party subsea well-control equipment auditing, maintenance, and testing.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 59 contacts → | ||||
Partial evidence “Al Majal Technical Services AMTS is a fully owned subsidiary of Al Majal Energy, AMTS provides a full range of Oil and Gas services including Operation & maintenance TAR services…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 51 contacts → | ||||
Indirect evidence “MMI is a local company for more than 40 years.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 51 contacts → | ||||
Indirect evidence “Sigma Engineering Works is a Mazrui Energy Services company.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 50 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 47 contacts → | ||||
Indirect evidence “IDTEC is continuously supporting the drilling industry in the form of inspections, repairs and re-certification of drilling rigs and its associated components.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 45 contacts → | ||||
Indirect evidence “AXON Energy Services is a trusted global provider of pressure control equipment, spare and aftermarket parts, and expert repair and remanufacturing services for land, offshore and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 45 contacts → | ||||
Indirect evidence “Somos Prestadores de Serviços de Inspeção, Manutenção em Tubos de Perfuração, Produção, Revestimentos e Acessórios.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 44 contacts → | ||||
Indirect evidence “Pioneer Engineering can provide a wide range of services from our main bases of operation located in Dubai, Baku, Erbil, & Yangon.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 37 contacts → | ||||
Indirect evidence “We are a dynamic team with over 20 years experience servicing the Mobile Offshore Drilling Unit market around the World.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 31 contacts → | ||||
Indirect evidence “Our Services - Allegiant hires and trains the best oil field servicing professionals in the business.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 29 contacts → | ||||
Partial evidence “About Us GLS Services is a trusted, certified provider of Maintenance, Repair & Overhaul (MRO) solutions for mechanical and electrical equipment used in the Oil & Gas drilling…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 27 contacts → | ||||
Indirect evidence “K&K Repair Service was established in to service the needs of drilling contractors.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: blowout preventer maintenance companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names blowout preventer maintenance companies.
- Partial evidence
- Its own public description names part of blowout preventer maintenance companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name blowout preventer maintenance companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 185 blowout preventer maintenance companies worldwide
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Blowout preventer maintenance companies worldwide at a glance
As of Sep 19, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among blowout preventer maintenance companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for blowout preventer maintenance companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “blowout preventer maintenance companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names blowout preventer maintenance companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among blowout preventer maintenance companies, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 600 across the full list. 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 September 19, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Blowout preventer maintenance companies by location
1 lists · largest firstEvery Blowout preventer maintenance companies 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 Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names blowout preventer maintenance companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many blowout preventer maintenance companies are there worldwide?
RevenueBase identified 185 blowout preventer maintenance companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Sara SAE Private Limited, headquartered in Dehradun, tops this list with the largest team on record.
Which country has the most blowout preventer maintenance companies?
The United States leads with 74 companies. Every blowout preventer maintenance companies list by country and city is linked on this page.
Which city has the most blowout preventer maintenance companies?
Houston leads with 15 headquartered companies, followed by Macae (6) and Midland (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 600 verified decision-maker contacts tracked across these 185 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 Smart Search, 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.