Company lists · Data refreshed October 2026

Top 25 Downhole fluid engineering services based in Houston, United States

RevenueBase identified 113 company matches for downhole fluid engineering services associated with Houston, United States as of October 2026 and tracks 6,479 professional contacts across them, including 1,968 with verified work emails. Across the United States, Houston is the largest hub for this category.

This list covers company matches for downhole fluid engineering services associated with Houston, United States, 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 24, 2026.

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 24, 2026 How this list was built
113Companies
6,479Contacts tracked
1,968Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest downhole fluid engineering services based in Houston, United States

Ranked by team size
Top 25 of 113 company matches for downhole fluid engineering services based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 24, 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 24, 20261,001-5,000742 contacts →

Exact match

“With a culture built on high performance and flawless execution, Nine Energy Service is a unique kind of oilfield services company, offering industry-shaping completion solutions…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Oct 24, 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 24, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026501-1,000547 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Oct 24, 20261,001-5,000506 contacts →

Exact match

“Ranger is one of the largest providers of high specification mobile rig well services, cased hole wireline services, and ancillary services in the U.S.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026501-1,000373 contacts →

Exact match

“AES Drilling Fluids is prepared to successfully deliver on any challenging project from the well site to the customer's office.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026201-500345 contacts →

Exact match

“ADA is a global energy services company specializing in advanced drilling solutions for oil, gas, and geothermal applications.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026201-500305 contacts →

Exact match

“Since our founding in 2006, NCS Multistage has grown to be a leading provider of engineered products and support services for oil and natural gas wells around the world.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026201-500288 contacts →

Exact match

“Strength.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026201-500283 contacts →

Exact match

“NOV™ IntelliServ® provides the oil and gas industry with broadband networked drillstrings and along-string evaluation that enables downhole conditions to be measured, evaluated…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026201-500212 contacts →

Exact match

“BOS Solutions (BOS) is a full service provider of solutions for drilling fluids treatment and recovery.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202651-200137 contacts →

Exact match

“Since 1989 WWT International (WWT) has been developing unique products to help operators reach farther in drilling, completion and intervention worldwide.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026201-500117 contacts →

Exact match

“Blackhawk Specialty Tools provides oil and gas operators with engineered solutions that improve performance and efficiency.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026501-1,00087 contacts →

Exact match

“Upstream International provides drilling, completions/work-over, directional, MWD, safety, fluids and MPD professionals to the oil and gas industry.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202651-20068 contacts →

Exact match

“Providing premier drilling fluids products to our customers supported by quality service and technical expertise.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
15Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026201-50063 contacts →

Exact match

“Superior Energy Completion Services has the technology, resources and experience to deliver effective sand control and stimulation services in any downhole condition.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
16Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202651-20058 contacts →

Exact match

“We provide drilling fluids and solids separation services, including dewatering, desludging, and water remediation to the environmental and energy industries across the United…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
17Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202611-5051 contacts →

Exact match

“HDD Industry Sharewell is the leading supplier of downhole drilling tools, guidance systems and services for the Horizontal Directional Drilling industry.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202651-20048 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202651-20043 contacts →

Exact match

“Salamander helps improve production rates by controlling viscosity, eliminating solids, accelerating SAGD well connections, and recovering and monetizing hydrocarbons previously…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202611-5032 contacts →

Exact match

“For 30+ years Ely and Associates has been one of the foremost authorities in well completions.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202611-5031 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202651-20025 contacts →

Exact match

“A premier Petroleum Engineering firm merging the Reservoir Engineering expertise of W.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202611-5025 contacts →

Exact match

“Prime Downhole Manufacturing is a precision machining and parts manufacture providing Engineering, Service, and Repair of downhole tools and petroleum industry equipment.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
24Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202651-20025 contacts →

Exact match

“TBC-Brinadd is a global provider of non-damaging Drill-In, Completion and Workover and Fracturing Fluid System additives.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Oct 24, 202611-5022 contacts →

Exact match

“Frontier is an engineering-based, manufacturing team of industry veterans specializing in drilling, completion, and production technologies.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase

Showing 25 of 113 downhole fluid engineering services based in Houston, United States

See the full list, filter by size, metro and specialty, and access 1,968 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Downhole fluid engineering services based in Houston, United States at a glance

As of Oct 24, 2026
30.4%Verified-email coverage
57.3Average contacts per company
11-50Median size (employees)
Oct 24, 2026Page data refreshed

Companies by employee count

1-10
37
11-50
42
51-200
17
201-500
8
501-1,000
3
1,001-5,000
6

Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 113 companies.

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.
What qualifies
Company records associated with Houston, United States whose business descriptions match “downhole fluid engineering services” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,968 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 24, 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.

Downhole fluid engineering services by metro in the United States

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 “downhole fluid engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many downhole fluid engineering services are there based in Houston, United States?

RevenueBase identified 113 company matches for downhole fluid engineering services associated with Houston, United States 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?

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

Which city in the United States has the most downhole fluid engineering services?

Houston leads the United States with 113 company records, followed by Midland (44) and Odessa (11).

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 1,968 professional contacts with verified work emails tracked across these 113 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 24, 2026.

Ready to reach these companies? Verified emails and direct dials for all 113 downhole fluid engineering services based in Houston, United States. 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.