Company lists · Data refreshed October 2026
Top 25 Downhole testing services based in Calgary, Canada
RevenueBase identified 39 company matches for downhole testing services associated with Calgary, Canada as of October 2026 and tracks 899 professional contacts across them, including 262 with verified work emails. Across Canada, Calgary is the largest hub for this category.
This list covers company matches for downhole testing services 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 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.
The 25 largest downhole testing services based in Calgary, Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 97 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 · Oct 24, 2026 · View company records in RevenueBase | |||||
| 2 | 66 contacts → | ||||
Exact match “GEO PSI provides real-time reservoir data that is used to increase production, improve ultimate reserve recovery, improve pump optimization, and reduce operating expense.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 3 | 65 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 4 | 43 contacts → | ||||
Exact match “Kobold is your source for advanced oilfield downhole technology from completions, intervention to real-time solutions.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 5 | 39 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 6 | 36 contacts → | ||||
Exact match “Lee Energy Systems offers a suite of down hole tools for the upstream cased and open hole completion, stimulation and abandonment market.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 7 | 31 contacts → | ||||
Exact match “Global Dynamics Inc.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 8 | 26 contacts → | ||||
Exact match “GLOBAL REACH - RELENTLESS COMMITMENT Since 1979 Northstar has had the single mission to help customers unlock the full potential of every reservoir and be a global leader in…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 9 | 19 contacts → | ||||
Exact match “Drilling evolves quickly.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 10 | 19 contacts → | ||||
Exact match “Evolution Energy Technologies provides products and services to the MWD drilling market that are focused on innovation and reliability.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 11 | 16 contacts → | ||||
Exact match “For 40 years, Pro Geo has been providing exceptional Wellsite Geological Supervision.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 12 | 12 contacts → | ||||
Exact match “Spectrum Wireline is your complete provider of Wireline Services including: Cased Hole Logging and Perforating, Pipe Recovery and Slickline.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 13 | 10 contacts → | ||||
Exact match “Standard Directional Technologies is a leader in MWD research and development.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 14 | 7 contacts → | ||||
Exact match “Capstone Well Integrity was formerly known as Doull Site Assessments ltd.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “We specialize in real-time monitoring of child/offset wells, including casing, tubing, and surface casing vents.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “Colter Energy (Colter) has successfully delivered innovative energy services since 2003 and is dedicated to problem-solving and getting the job done safely and efficiently.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “General Downhole Tools is committed to providing the HIGHEST quality drilling tools that operate in the HARSHEST of downhole environments in the least complicated way possible.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “Clear and clean your underpressured horizontal wells and gather continuous inflow data while doing it.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “A provider of wireline logging services in the geophysical industry and cased hole integrity log analysis.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “Stag Energy Solutions provides innovative and cost-effective downhole drilling solutions for the upstream oil and gas industry.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “Technologies and analytics for drilling, completion and intervention in horizontal oil and gas wells.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “We use DFITs, PTA, RTA & unique specialized pressure diagnostic workflows to optimize hydraulic fracturing design & execution in unconventional reservoirs.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “Introducing global debut of our latest patented technology: The Stroker Series ™ combination pump system.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “downhole testing services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 39 downhole testing services based in Calgary, Canada
See the full list, filter by size, metro and specialty, and access 262 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Downhole testing services based in Calgary, Canada at a glance
As of Oct 24, 2026Companies by employee count
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 39 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 “downhole testing 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 262 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.
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 testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many downhole testing services are there based in Calgary, Canada?
RevenueBase identified 39 company matches for downhole testing services associated with Calgary, Canada 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?
Recon Petrotechnologies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Canada has the most downhole testing services?
Calgary leads Canada with 39 company records, followed by Edmonton (10) and Grande Prairie (4).
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 262 professional contacts with verified work emails tracked across these 39 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 39 downhole testing services based in Calgary, Canada. Start with a free account, no credit card.
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Downhole testing services by geography
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.
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Company intelligence · public preview
Top 25 downhole testing services based in Calgary, Canada
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 39 matching company records for downhole testing services based in Calgary, Canada, with 899 tracked contacts and 262 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 24, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 downhole testing services based in Calgary, Canada
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Recon Petrotechnologiesreconpetro.comHQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 97 contacts → |
“Founded in 2001, RECON is the evolution of a long line of successful oilfield service companies.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  GEO Pressure Systems INCgeopsi.comHQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 66 contacts → |
“GEO PSI provides real-time reservoir data that is used to increase production, improve ultimate reserve recovery, improve pump optimization, and reduce operating expense.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Thruster Energy Corpthrusterenergy.comHQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 65 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 |  Kobold Completions INCkoboldinc.comHQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 43 contacts → |
“Kobold is your source for advanced oilfield downhole technology from completions, intervention to real-time solutions.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Advanced Upstream LTDadvancedupstream.comHQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 39 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | LEE Energy Systems INCleeenergysystems.com HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 36 contacts → |
“Lee Energy Systems offers a suite of down hole tools for the upstream cased and open hole completion, stimulation and abandonment market.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Global Dynamicsgdi-tec.comHQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 31 contacts → |
“Global Dynamics Inc.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Northstar Downhole Specialistsnorthstardst.comHQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 26 contacts → |
“GLOBAL REACH - RELENTLESS COMMITMENT Since 1979 Northstar has had the single mission to help customers unlock the full potential of every reservoir and be a global leader in…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Vertex Downholevertexdownhole.comHQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 19 contacts → |
“Drilling evolves quickly.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Evolution Energy Technologiesevolutioneng.com HQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 19 contacts → |
“Evolution Energy Technologies provides products and services to the MWD drilling market that are focused on innovation and reliability.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  PRO GEO Consultantsprogeoconsultants.comHQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 16 contacts → |
“For 40 years, Pro Geo has been providing exceptional Wellsite Geological Supervision.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Spectrum Wirelinespectrumwireline.com HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 12 contacts → |
“Spectrum Wireline is your complete provider of Wireline Services including: Cased Hole Logging and Perforating, Pipe Recovery and Slickline.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Standard Directional Services And Technologiesstandarddirectional.com HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 10 contacts → |
“Standard Directional Technologies is a leader in MWD research and development.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Capstone Well Integritycapstoneos.com HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 7 contacts → |
“Capstone Well Integrity was formerly known as Doull Site Assessments ltd.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | GCI Monitoringgcimonitoring.com HQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 6 contacts → |
“We specialize in real-time monitoring of child/offset wells, including casing, tubing, and surface casing vents.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  WDS Solutions INCwds-solutions.comHQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Colter Energycolterenergy.com HQ: Calgary, AB, CanadaReported employees: 201-500 | Calgary, AB, Canada | 201-500 | Exact match | 5 contacts → |
“Colter Energy (Colter) has successfully delivered innovative energy services since 2003 and is dedicated to problem-solving and getting the job done safely and efficiently.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | General Downhole Tools LTDgeneraldownhole.com HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 5 contacts → |
“General Downhole Tools is committed to providing the HIGHEST quality drilling tools that operate in the HARSHEST of downhole environments in the least complicated way possible.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Quantum Downhole Systems INCquantumdownhole.comHQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 4 contacts → |
“Clear and clean your underpressured horizontal wells and gather continuous inflow data while doing it.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | That Wireline GUYthatwirelineguy.com HQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 4 contacts → |
“A provider of wireline logging services in the geophysical industry and cased hole integrity log analysis.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Stag Energy Solutions INCstagenergysolutions.com HQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 4 contacts → |
“Stag Energy Solutions provides innovative and cost-effective downhole drilling solutions for the upstream oil and gas industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Digital Wellbore LTDdigitalwellbore.comHQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 3 contacts → |
“Technologies and analytics for drilling, completion and intervention in horizontal oil and gas wells.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Pressure Diagnostics LTDpressdl.net HQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 3 contacts → |
“We use DFITs, PTA, RTA & unique specialized pressure diagnostic workflows to optimize hydraulic fracturing design & execution in unconventional reservoirs.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Geolog Solutions INCgeologsolutions.caHQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Clark Downhole Tools & Technologyclarkdownholetools.com HQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 1 contacts → |
“Introducing global debut of our latest patented technology: The Stroker Series ™ combination pump system.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 39 company matches
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Downhole testing services: dataset insights
October 24, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
39 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 39 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 24, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for downhole testing services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many downhole testing services did RevenueBase find based in Calgary, Canada?
The saved snapshot records 39 matching company records, 899 tracked contacts and 262 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 24, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Downhole testing services by geography
Cite this list
RevenueBase Data Team. Top 25 downhole testing services based in Calgary, Canada. Snapshot: October 24, 2026. https://revenuebase.ai/companies/downhole-testing-services/canada/calgary.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 25 downhole testing services based in Calgary, Canada
RevenueBase records 39 matching company records for downhole testing services based in Calgary, Canada, with 899 tracked contacts and 262 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 24, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 downhole testing services based in Calgary, Canada
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Recon Petrotechnologiesreconpetro.com HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 97 contacts → |
“Founded in 2001, RECON is the evolution of a long line of successful oilfield service companies.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | GEO Pressure Systems INCgeopsi.com HQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 66 contacts → |
“GEO PSI provides real-time reservoir data that is used to increase production, improve ultimate reserve recovery, improve pump optimization, and reduce operating expense.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Thruster Energy Corpthrusterenergy.com HQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 65 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 | Kobold Completions INCkoboldinc.com HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 43 contacts → |
“Kobold is your source for advanced oilfield downhole technology from completions, intervention to real-time solutions.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Advanced Upstream LTDadvancedupstream.com HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 39 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | LEE Energy Systems INCleeenergysystems.com HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 36 contacts → |
“Lee Energy Systems offers a suite of down hole tools for the upstream cased and open hole completion, stimulation and abandonment market.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Global Dynamicsgdi-tec.com HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 31 contacts → |
“Global Dynamics Inc.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Northstar Downhole Specialistsnorthstardst.com HQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 26 contacts → |
“GLOBAL REACH - RELENTLESS COMMITMENT Since 1979 Northstar has had the single mission to help customers unlock the full potential of every reservoir and be a global leader in…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Vertex Downholevertexdownhole.com HQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 19 contacts → |
“Drilling evolves quickly.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Evolution Energy Technologiesevolutioneng.com HQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 19 contacts → |
“Evolution Energy Technologies provides products and services to the MWD drilling market that are focused on innovation and reliability.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | PRO GEO Consultantsprogeoconsultants.com HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 16 contacts → |
“For 40 years, Pro Geo has been providing exceptional Wellsite Geological Supervision.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Spectrum Wirelinespectrumwireline.com HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 12 contacts → |
“Spectrum Wireline is your complete provider of Wireline Services including: Cased Hole Logging and Perforating, Pipe Recovery and Slickline.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Standard Directional Services And Technologiesstandarddirectional.com HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 10 contacts → |
“Standard Directional Technologies is a leader in MWD research and development.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Capstone Well Integritycapstoneos.com HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 7 contacts → |
“Capstone Well Integrity was formerly known as Doull Site Assessments ltd.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | GCI Monitoringgcimonitoring.com HQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 6 contacts → |
“We specialize in real-time monitoring of child/offset wells, including casing, tubing, and surface casing vents.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | WDS Solutions INCwds-solutions.com HQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Colter Energycolterenergy.com HQ: Calgary, AB, CanadaReported employees: 201-500 | Calgary, AB, Canada | 201-500 | Exact match | 5 contacts → |
“Colter Energy (Colter) has successfully delivered innovative energy services since 2003 and is dedicated to problem-solving and getting the job done safely and efficiently.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | General Downhole Tools LTDgeneraldownhole.com HQ: Calgary, AB, CanadaReported employees: 11-50 | Calgary, AB, Canada | 11-50 | Exact match | 5 contacts → |
“General Downhole Tools is committed to providing the HIGHEST quality drilling tools that operate in the HARSHEST of downhole environments in the least complicated way possible.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Quantum Downhole Systems INCquantumdownhole.com HQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 4 contacts → |
“Clear and clean your underpressured horizontal wells and gather continuous inflow data while doing it.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | That Wireline GUYthatwirelineguy.com HQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 4 contacts → |
“A provider of wireline logging services in the geophysical industry and cased hole integrity log analysis.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Stag Energy Solutions INCstagenergysolutions.com HQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 4 contacts → |
“Stag Energy Solutions provides innovative and cost-effective downhole drilling solutions for the upstream oil and gas industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Digital Wellbore LTDdigitalwellbore.com HQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 3 contacts → |
“Technologies and analytics for drilling, completion and intervention in horizontal oil and gas wells.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Pressure Diagnostics LTDpressdl.net HQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 3 contacts → |
“We use DFITs, PTA, RTA & unique specialized pressure diagnostic workflows to optimize hydraulic fracturing design & execution in unconventional reservoirs.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Geolog Solutions INCgeologsolutions.ca HQ: Calgary, AB, CanadaReported employees: 1-10 | Calgary, AB, Canada | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Clark Downhole Tools & Technologyclarkdownholetools.com HQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 1 contacts → |
“Introducing global debut of our latest patented technology: The Stroker Series ™ combination pump system.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 39 company matches
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Downhole testing services: dataset insights
October 24, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
39 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 39 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 24, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for downhole testing services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many downhole testing services did RevenueBase find based in Calgary, Canada?
The saved snapshot records 39 matching company records, 899 tracked contacts and 262 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 24, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Downhole testing services by geography
Cite this list
RevenueBase Data Team. Top 25 downhole testing services based in Calgary, Canada. Snapshot: October 24, 2026. https://revenuebase.ai/companies/downhole-testing-services/canada/calgary.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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