Company lists · Data refreshed November 2026

Top 24 Oil and gas exploration contractors based in Calgary, Canada

RevenueBase identified 240 company matches for oil and gas exploration contractors associated with Calgary, Canada as of November 2026 and tracks 8,171 professional contacts across them, including 1,601 with verified work emails. Across Canada, Calgary is the largest hub for this category.

This list covers company matches for oil and gas exploration contractors associated with Calgary, Canada, 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 November 4, 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 Nov 4, 2026 How this list was built
240Companies
8,171Contacts tracked
1,601Verified emails
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The 24 largest oil and gas exploration contractors based in Calgary, Canada

Ranked by team size
Top 24 of 240 company matches for oil and gas exploration contractors based in Calgary, Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 4, 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 matchCalgary, AB, CanadaHQ recorded Nov 4, 20261,001-5,0002,359 contacts →

Exact match

“Ensign Energy Services Inc.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
2Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 2026501-1,000867 contacts →

Exact match

“Gran Tierra Energy Inc, together with its subsidiaries, is a company focused on oil and gas exploration and production in Azerbaijan, Canada, Colombia and Ecuador.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 20261,001-5,000613 contacts →

Exact match

“Savanna Energy offers contract drilling and well servicing services to our customers based in Canada, the US and Australia.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
4Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202651-200165 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
5Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202611-50102 contacts →

Exact match

“Founded in 2001, RECON is the evolution of a long line of successful oilfield service companies.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202651-20081 contacts →

Exact match

“Divestco Geoscience is Canada’s largest integrated geoscience provider.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202651-20074 contacts →

Exact match

“Chinook Consulting is a Canadian company providing subsurface services, specialized in Wellsite Geology, Geosteering and Geoscience studies catering to the upstream energy…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 2026501-1,00068 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
9Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202651-20060 contacts →

Exact match

“With roots going back to 1976, Earth Drilling brings unmatched expertise to a full range of disciplines, including environmental and geotechnical engineering, oil sands, mining…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
10Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202651-20051 contacts →

Exact match

“Sublatus is a specialized heavy equipment company focused on the beginning and end of life stages in the oil and gas sector.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
11Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202611-5048 contacts →

Exact match

“XI Technologies Inc.(XI) is a privately-owned company based in Calgary, Alberta, Canada.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202611-5045 contacts →

Exact match

“Canadian Discovery Ltd.(CDL) is a global leader in subsurface intelligence, headquartered in Calgary, Alberta.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202651-20044 contacts →

Exact match

“Pillar Oilfield Projects Ltd is an oil & energy mechanical and general contractor based out of Alberta with a fabrication shop in Edmonton.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202611-5035 contacts →

Exact match

“The SWAT Concept: SWAT Projects Ltd is built upon strategic relationships which allows us to be tactical in the execution of work for our clients.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
15Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202611-5035 contacts →

Exact match

“Echo Seismic Ltd provides a comprehensive range of geophysical exploration services to a growing client base across the oil, gas, coal, mineral, water and major civil engineering…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202611-5034 contacts →

Exact match

“Cabra is a Calgary-based geological consulting firm, focusing on technology driven results.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202611-5030 contacts →

Exact match

“Remedy has provided quality wells and technology engineering and project management services to the Oil & Gas Industry since 1991.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202611-5029 contacts →

Exact match

“HZ Projects Inc, is in business of providing Engineering, Procurement, construction support (EPCM) of conventional oil and gas production facilities, providing engineering…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202611-5028 contacts →

Exact match

“Exploration Staffing Solutions is a Canadian-based staffing service that was developed to address the technical and support staffing demands that are found in mineral exploration…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 20261,001-5,00027 contacts →

Exact match

“Through our distinct business lines we can provide equipment and expertise for your drilling, completion, production, transportation, oil and gas process equipment and natural gas…”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
21Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202651-20026 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
22Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 20261,001-5,00026 contacts →

Exact match

“Resdin Industries is the leader in inspection and project management services and has been recognized as a leader in the oil services industry since 1997.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
23Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202651-20025 contacts →

Exact match

“Arcis Seismic Solutions (Arcis) is a wholly owned subsidiary of TGS-NOPEC Geophysical Company.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
24Exact matchCalgary, AB, CanadaHQ recorded Nov 4, 202611-5024 contacts →

Exact match

“Welcome to Beryl Mining Services, where innovation meets experience to create a unique and dynamic approach to the Canada mining industry.”

Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase

Showing 24 of 240 oil and gas exploration contractors based in Calgary, Canada

See the full list, filter by size, metro and specialty, and access 1,601 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil and gas exploration contractors based in Calgary, Canada at a glance

As of Nov 4, 2026
19.6%Verified-email coverage
34.0Average contacts per company
11-50Median size (employees)
Nov 4, 2026Page data refreshed

Companies by employee count

1-10
113
11-50
82
51-200
26
201-500
6
501-1,000
4
1,001-5,000
6
5,001-10,000
1

Email recency for this list is measured across the whole Canada list rather than for Calgary, so it is reported there. Company counts and contact totals on this page are exact for Calgary, over 240 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 Calgary, Canada whose business descriptions match “oil and gas exploration contractors” 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 1,601 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 November 4, 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.

Oil and gas exploration contractors by metro in Canada

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 “oil and gas exploration contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas exploration contractors are there based in Calgary, Canada?

RevenueBase identified 240 company matches for oil and gas exploration contractors associated with Calgary, Canada as of November 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?

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

Which city in Canada has the most oil and gas exploration contractors?

Calgary leads Canada with 240 company records, followed by Edmonton (25) and Vancouver (20).

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 1,601 professional contacts with verified work emails tracked across these 240 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 November 4, 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 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.