Company lists · Data refreshed September 2026

Top 25 Unconventional well software companies based in the United States

RevenueBase identified 521 unconventional well software companies headquartered in the United States as of September 2026 and tracks 182,028 professional contacts across them, including 56,790 with verified work emails. Houston is the largest hub.

This list covers unconventional well software companies headquartered in the United States, 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 29, 2026.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 29, 2026 86% judged on-target in blind review
521Companies
182,028Contacts tracked
56,790Verified emails
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The 25 largest unconventional well software companies based in the United States

Ranked by team size
Top 25 of 521 unconventional well software companies based in the United States, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to unconventional well software companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202610001+76,561 contacts →

Indirect evidence

“SLB is a global technology company that has driven energy innovation for more than a century.”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202610001+53,380 contacts →

Indirect evidence

“We collaborate and engineer solutions to maximize asset value for our customers.”

Source: RevenueBase Database · checked Sep 29, 2026
3Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202610001+29,577 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
4Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 20261,001-5,0002,755 contacts →

Indirect evidence

“Headquartered in Houston, Texas, Key Energy Services provides a wide array of leading edge energy production solutions and services.”

Source: RevenueBase Database · checked Sep 29, 2026
5Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 20261,001-5,0001,500 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
6Indirect evidenceKaty, TX, United StatesHQ checked Sep 29, 20261,001-5,0001,244 contacts →

Indirect evidence

“Newpark Fluids Systems is the world’s leading pure-play oil & gas and geothermal fluid solutions provider.”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceHumble, TX, United StatesHQ checked Sep 29, 20261,001-5,000844 contacts →

Indirect evidence

“Innovex International, Inc (NYSE: INVX) is a Houston-based company established in 2024 following the merger of Dril-Quip, Inc and Innovex Downhole Solutions.”

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 2026501-1,000777 contacts →

Indirect evidence

“Founded in 1994 and built on a strong geoscience and data management footprint, LMKR has evolved into a premier technology company expanding its reach to Clean Energy…”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 20261,001-5,000712 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
10Partial evidenceFort Worth, TX, United StatesHQ checked Sep 29, 20261,001-5,000712 contacts →

Partial evidence

“FTS International is one of the largest well completion companies in North America.”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 20261,001-5,000703 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
12Partial evidenceDenver, CO, United StatesHQ checked Sep 29, 2026201-500466 contacts →

Partial evidence

“IFS Energy and Resources is the world’s largest independent provider of software and data solutions exclusively serving the upstream oil and gas, mining, and resource industries.”

Source: RevenueBase Database · checked Sep 29, 2026
13Indirect evidenceNewcastle, OK, United StatesHQ checked Sep 29, 2026501-1,000428 contacts →

Indirect evidence

“Only Thru Tubing Solutions offers the specialized downhole equipment and services to deliver the results you need, right when you need them.”

Source: RevenueBase Database · checked Sep 29, 2026
14Partial evidenceHouston, TX, United StatesHQ checked Sep 29, 2026201-500301 contacts →

Partial evidence

“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.”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 2026201-500263 contacts →

Indirect evidence

“New technologies developed by the research and product development teams of Rock Flow Dynamics are integrated into the company’s flagship product – tNavigator.”

Source: RevenueBase Database · checked Sep 29, 2026
16Partial evidenceThe Woodlands, TX, United StatesHQ checked Sep 29, 2026201-500192 contacts →

Partial evidence

“Are you looking to maximize production and minimize spend throughout the lifecycle of your well?”

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidenceAbilene, TX, United StatesHQ checked Sep 29, 202651-200178 contacts →

Partial evidence

“PakEnergy provides Business Automation Software for the oil & gas industry.”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidenceStafford, TX, United StatesHQ checked Sep 29, 2026201-500178 contacts →

Indirect evidence

“Reservoir Group is a world-class niche oilfield services company that has been addressing customer challenges for more than 70 years.”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 2026201-500174 contacts →

Indirect evidence

“ROGII is the leading technology provider for upstream Oil & Gas providing solutions for geoscience, drilling, and completions.”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidenceCatoosa, OK, United StatesHQ checked Sep 29, 2026201-500139 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceHouston, TX, United StatesHQ checked Sep 29, 202651-200138 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
22Indirect evidencePlano, TX, United StatesHQ checked Sep 29, 202651-200134 contacts →

Indirect evidence

“PetroTel is recognized worldwide as an industry leader in enhanced oil recovery, reservoir characterization and simulation, coalbed methane, production, and exploration…”

Source: RevenueBase Database · checked Sep 29, 2026
23Partial evidencePinehurst, TX, United StatesHQ checked Sep 29, 202651-200133 contacts →

Partial evidence

“The Company was formed as Midwest Well Logging in December 1964 by Hoyt Hudspeth and Harold McConnell.”

Source: RevenueBase Database · checked Sep 29, 2026
24Partial evidenceHouston, United StatesHQ checked Sep 29, 202651-200125 contacts →

Partial evidence

“Intelligent Wellhead Systems designs, tests, manufactures and deploys proprietary and unique digital safety and efficiency workflow technologies for oil and gas well completion…”

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceFort Worth, TX, United StatesHQ checked Sep 29, 202651-200124 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 521 unconventional well software companies based in the United States

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Unconventional well software companies based in the United States at a glance

As of Sep 29, 2026
31.2%Verified-email coverage
349.4Average contacts per company
11-50Median size (employees)
32.8%Largest-city concentration · Houston
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
240
11-50
180
51-200
64
201-500
18
501-1,000
4
1,001-5,000
11
10001+
4

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 521 companies.

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 unconventional well software 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.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “unconventional well software 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 unconventional well software 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 unconventional well software companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
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, 56,790 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 29, 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.

Unconventional well software companies by metro

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 unconventional well software 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 unconventional well software companies are there based in the United States?

RevenueBase identified 521 unconventional well software companies headquartered in the United States 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?

SLB, headquartered in Houston, tops this list with the largest team on record.

Which city has the most unconventional well software companies?

Houston leads with 171 headquartered companies, followed by Denver (22) and Katy (16).

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 56,790 verified decision-maker contacts tracked across these 521 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 29, 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.