Company lists · Data refreshed September 2026

Top 25 Well construction companies based in the United States

Name: Well construction companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 1,507 companies tracked

RevenueBase identified 1,507 well construction companies headquartered in the United States as of September 2026 and tracks 27,630 professional contacts across them, including 7,578 with verified work emails. Houston is the largest hub.

This list covers well construction 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 19, 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 19, 2026 86% judged on-target in blind review

1,507Companies

27,630Contacts tracked

7,578Verified emails

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The 25 largest well construction companies based in the United States

Ranked by team size

Top 25 of 1,507 well construction companies based in the United States, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to well construction 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	EXPRO	Indirect evidence	Houston, TX, United StatesHQ checked Sep 19, 2026	5,001-10,000	6,466 contacts →
	Indirect evidence “Long recognized for extraordinary performance, superb safety and long-standing partnerships, and now incorporating Frank’s International, Expro is focused on enabling our…” Source: RevenueBase Database · checked Sep 19, 2026
2	Michels Corporation	Partial evidence	Brownsville, WI, United StatesHQ checked Sep 19, 2026	10001+	2,339 contacts →
	Partial evidence “Established in 1959 in Brownsville, WI, Michels is an international leader in energy and infrastructure construction.” Source: RevenueBase Database · checked Sep 19, 2026
3	Patterson-Uti	Indirect evidence	Houston, TX, United StatesHQ checked Sep 19, 2026	10001+	2,317 contacts →
	Indirect evidence “Patterson-UTI is a leading provider of drilling and completion services to oil and natural gas exploration and production companies in the United States and other select…” Source: RevenueBase Database · checked Sep 19, 2026
4	Nine Energy Service	Indirect evidence	Houston, TX, United StatesHQ checked Sep 19, 2026	1,001-5,000	712 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 19, 2026
5	Cactus Drilling CO	Indirect evidence	Oklahoma City, OK, United StatesHQ checked Sep 19, 2026	1,001-5,000	440 contacts →
	Indirect evidence “As the largest privately-held domestic land drilling contractor in the United States, Cactus provides competent, motivated personnel utilizing premium equipment to meet and exceed…” Source: RevenueBase Database · checked Sep 19, 2026
6	Express Energy Services	Indirect evidence	Houston, TX, United StatesHQ checked Sep 19, 2026	501-1,000	379 contacts →
	Indirect evidence “Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…” Source: RevenueBase Database · checked Sep 19, 2026
7	Leam Drilling Services	Indirect evidence	New Iberia, LA, United StatesHQ checked Sep 19, 2026	501-1,000	291 contacts →
	Indirect evidence “LEAM Drilling Systems, Inc.” Source: RevenueBase Database · checked Sep 19, 2026
8	Ripa & Associates	Partial evidence	Tampa, FL, United StatesHQ checked Sep 19, 2026	501-1,000	283 contacts →
	Partial evidence “RIPA & Associates is a highly experienced and successful privately-owned construction company that provides civil and utility construction services.” Source: RevenueBase Database · checked Sep 19, 2026
9	J.F. Shea Co., INC	Indirect evidence	Walnut, CA, United StatesHQ checked Sep 19, 2026	1,001-5,000	262 contacts →
	Indirect evidence “One of the oldest and largest privately held operations in the country, the J.F.” Source: RevenueBase Database · checked Sep 19, 2026
10	Prodirectional	Indirect evidence	Conroe, TX, United StatesHQ checked Sep 19, 2026	201-500	232 contacts →
	Indirect evidence “ProDirectional was established in 2001 by experienced drilling industry professionals who believed the oil and gas services market was lacking a directional services company that…” Source: RevenueBase Database · checked Sep 19, 2026
11	MS Energy Services	Indirect evidence	Conroe, TX, United StatesHQ checked Sep 19, 2026	501-1,000	209 contacts →
	Indirect evidence “Visit us at MS Directional” Source: RevenueBase Database · checked Sep 19, 2026
12	Casedhole-Solutions, Inc.- A C&j Energy Company	Indirect evidence	Houston, TX, United StatesHQ checked Sep 19, 2026	501-1,000	191 contacts →
	Indirect evidence “Getting it done right.” Source: RevenueBase Database · checked Sep 19, 2026
13	Condon-Johnson & Associates, INC	Partial evidence	Oakland, CA, United StatesHQ checked Sep 19, 2026	201-500	168 contacts →
	Partial evidence “The success of Condon-Johnson & Associates - a family owned construction company - is underpinned by our core values: Dependability.” Source: RevenueBase Database · checked Sep 19, 2026
14	Bellingham Marine	Partial evidence	Jacksonville, FL, United StatesHQ checked Sep 19, 2026	201-500	163 contacts →
	Partial evidence “Bellingham Marine is an established leader in the marine construction world.” Source: RevenueBase Database · checked Sep 19, 2026
15	RPM Xconstruction	Partial evidence	Mckinney, TX, United StatesHQ checked Sep 19, 2026	501-1,000	152 contacts →
	Partial evidence “RPM xConstruction offers a turn-key infrastructure construction solution tailored to your specific project needs.” Source: RevenueBase Database · checked Sep 19, 2026
16	MAC Construction	Partial evidence	New Albany, IN, United StatesHQ checked Sep 19, 2026	201-500	152 contacts →
	Partial evidence “MAC is a diversified construction company with tightly-integrated divisions working together to provide a wide variety of quality construction and excavation services, quality…” Source: RevenueBase Database · checked Sep 19, 2026
17	APC Construction, LLC	Partial evidence	Harvey, LA, United StatesHQ checked Sep 19, 2026	201-500	140 contacts →
	Partial evidence “APC Construction, LLC is a fully-licensed contractor operating in the continental U.S.” Source: RevenueBase Database · checked Sep 19, 2026
18	Jmac Resources, INC	Strong evidence	Williston, ND, United StatesHQ checked Sep 19, 2026	201-500	128 contacts →
	Strong evidence “JMAC Resources provides water management, environmental solutions, and well-site construction services to E&P operators in North America.” Source: RevenueBase Database · checked Sep 19, 2026
19	Goettle	Partial evidence	Cincinnati, OH, United StatesHQ checked Sep 19, 2026	201-500	121 contacts →
	Partial evidence “Founded in 1956, Goettle is a Design-Build Construction Company, specializing in Deep Foundations, Earth Retention, Ground Modification, Marine Construction, and Grouting Services.” Source: RevenueBase Database · checked Sep 19, 2026
20	American Well Services	Partial evidence	Midland, TX, United StatesHQ checked Sep 19, 2026	201-500	92 contacts →
	Partial evidence “American Well Services is located in Midland, TX and provides well services rigs for the purpose of workover or completion operations.” Source: RevenueBase Database · checked Sep 19, 2026
21	Plaster & Wald Consulting Corp	Partial evidence	Mustang, OK, United StatesHQ checked Sep 19, 2026	201-500	91 contacts →
	Partial evidence “Plaster & Wald Consulting Corp has provided engineering and consulting services to the oil & gas industry since 1997.Our supervisors provide technical expertise in well planning…” Source: RevenueBase Database · checked Sep 19, 2026
22	Upstream International LLC	Indirect evidence	Houston, TX, United StatesHQ checked Sep 19, 2026	501-1,000	87 contacts →
	Indirect evidence “Upstream International provides drilling, completions/work-over, directional, MWD, safety, fluids and MPD professionals to the oil and gas industry.” Source: RevenueBase Database · checked Sep 19, 2026
23	K&m Technology Group	Indirect evidence	The Woodlands, TX, United StatesHQ checked Sep 19, 2026	51-200	85 contacts →
	Indirect evidence “K&M Technology Group was founded in 1988 and has been involved in extended reach and horizontal drilling since its inception.” Source: RevenueBase Database · checked Sep 19, 2026
24	Tanner Services, LLC	Partial evidence	Eunice, LA, United StatesHQ checked Sep 19, 2026	201-500	82 contacts →
	Partial evidence “Over the past 30 years, management at Tanner Services has been involved in just about every aspect of the oil field construction services industry.” Source: RevenueBase Database · checked Sep 19, 2026
25	Production Solutions International	Indirect evidence	Dallas, TX, United StatesHQ checked Sep 19, 2026	51-200	82 contacts →
	Indirect evidence “Production Solutions is majority owned and managed by the Mitchell Group in Dallas, Texas.” Source: RevenueBase Database · checked Sep 19, 2026

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: well construction 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 well construction companies.
Partial evidence: Its own public description names part of well construction companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name well construction 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 1,507 well construction companies based in the United States

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Well construction companies based in the United States at a glance

As of Sep 19, 2026

27.4%Verified-email coverage

18.3Average contacts per company

11-50Median size (employees)

3.0%Largest-city concentration · Houston

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

702

11-50

557

51-200

161

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 1,507 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 well construction 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 “well construction 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 well construction 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 well construction 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, 7,578 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.

Well construction companies by metro

Well construction companies in Houston45
Well construction companies in New York26

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 well construction 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 well construction companies are there based in the United States?

RevenueBase identified 1,507 well construction 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?

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

Which city has the most well construction companies?

Houston leads with 45 headquartered companies, followed by New York (26) and Midland (19).

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 7,578 verified decision-maker contacts tracked across these 1,507 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.