Company lists · Data refreshed September 2026

Top 23 Oilfield companies based in Williston, United States

RevenueBase identified 34 company matches for oilfield companies associated with Williston, United States as of September 2026 and tracks 699 professional contacts across them, including 192 with verified work emails. Across the United States, Houston is the largest hub for this category (801 companies); Williston has 34.

This list covers company matches for oilfield companies associated with Williston, 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 September 21, 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 Sep 21, 2026 How this list was built
34Companies
699Contacts tracked
192Verified emails
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The 23 largest oilfield companies based in Williston, United States

Ranked by team size
Top 23 of 34 company matches for oilfield companies based in Williston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchWilliston, ND, United StatesHQ recorded Sep 21, 2026201-500128 contacts →

Exact match

“JMAC Resources provides water management, environmental solutions, and well-site construction services to E&P operators in North America.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 2026201-500106 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 2026201-50079 contacts →

Exact match

“Go Wireline is the premier wireline service provider in the Bakken and in the DJ.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202651-20071 contacts →

Exact match

“B&G Oilfield Services is a premier service provider to Oil and Gas exploration, production, and midstream companies in North Dakota and Eastern Montana.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202651-20045 contacts →

Exact match

“Lochend Energy Services Inc.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202611-5025 contacts →

Exact match

“Wellhead, Valve, and Pressure Control Experts, Trusted Field Service and Shop Solutions Bulldog Services provides inspection, testing, repair, and field services for critical oil…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202651-20023 contacts →

Exact match

“Evolution Completions was born in North Dakota’s Bakken Oil Fields, November of 2010 with an audacious goal: to do it better than their competition, no matter how large or well…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202651-20023 contacts →

Exact match

“Basin Concrete, Inc.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202651-20019 contacts →

Exact match

“DYNAMIC WELL SERVICES INC is an oil & energy company based out of PO BOX 2736, WILLISTON, North Dakota, United States.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202651-20016 contacts →

Exact match

“We are a premier provider of well monitoring/supervision, contract pumping, SWD, water transfer, hot shot and roustabout services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202651-20014 contacts →

Exact match

“GStyle, GStyle Transport, GStyle Transportation, Oilfield Services, Transportation, Girolamo, North Dakota, Bakken Oilfield, GMan, G-Man, 2G Modified, Frac Sand”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202611-5012 contacts →

Exact match

“Overview: Northern Oilfield Services (NOS) delivers wellhead, valve, torque & test, and knuckleboom services to operators across the Bakken, Rockies, and Oklahoma.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 2026501-1,00012 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202611-5012 contacts →

Exact match

“We have proudly served producers on The North Dakota Oilfield for over fifty five years.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202651-2009 contacts →

Exact match

“Wolla Trucking, LLC and Wolla Oilfield Services, LLC are locally owned service companies dedicated to our region and industry.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202611-508 contacts →

Exact match

“Since Industrial Equipment & Service Specialists (IESS), a locally owned company, has proudly served the Bakken region of the Williston Basin.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202611-506 contacts →

Exact match

“H&H Electric Oil Field Construction is a Williston based company which offers experienced, professional services for a multitude of oil field systems.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202611-506 contacts →

Exact match

“BUSY BEE'S HOT OIL INC is a company based out of Williston ND, and provides Hot Oil Services and water hauling throughout the Bakken.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202611-505 contacts →

Exact match

“Current Services Offered- Fishing Tools - LH Rods - Jar Rentals - Downhole Millings Tools - Rental Tools - Casing Exit Tools - Remedial Tools (Packers & Plugs)- Completion Tools…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 20261-105 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202611-504 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 20261-104 contacts →

Exact match

“We are passionate about customer service, safety, and reliability.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchWilliston, ND, United StatesHQ recorded Sep 21, 202611-503 contacts →

Exact match

“Twin Services, Inc is a locally owned oilfield roustabout service and pipeline company in Williston, ND.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 23 of 34 oilfield companies based in Williston, United States

See the full list, filter by size, metro and specialty, and access 192 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oilfield companies based in Williston, United States at a glance

As of Sep 21, 2026
27.5%Verified-email coverage
20.6Average contacts per company
51-200Median size (employees)
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
3
11-50
13
51-200
13
201-500
4
501-1,000
1

Email recency for this list is measured across the whole United States list rather than for Williston, so it is reported there. Company counts and contact totals on this page are exact for Williston, over 34 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 Williston, United States whose business descriptions match “oilfield companies” 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 192 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 September 21, 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.

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 “oilfield companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oilfield companies are there based in Williston, United States?

RevenueBase identified 34 company matches for oilfield companies associated with Williston, United States as of September 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?

Jmac Resources, INC 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 oilfield companies?

Houston leads the United States with 801 company records, followed by Midland (280) and Odessa (162). Williston has 34.

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 192 professional contacts with verified work emails tracked across these 34 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 September 21, 2026.

Ready to reach these companies? Verified emails and direct dials for all 34 oilfield companies based in Williston, United States. Start with a free account, no credit card.

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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 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.