Company lists · Data refreshed October 2026
Top 25 Oil and gas auditors worldwide
RevenueBase identified 478 company matches for oil and gas auditors worldwide as of October 2026 and tracks 13,518 professional contacts across them, including 3,677 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers company matches for oil and gas auditors worldwide, 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 19, 2026. Country and city lists for oil and gas auditors follow the table.
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 oil and gas auditors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,621 contacts → | ||||
Exact match “The AmSpec Group has been relied upon in the testing, inspection, and certification (TIC) sector for several decades.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 2 | 1,473 contacts → | ||||
Exact match “Applus+ is globally recognized across all phases of the oil and gas industry, including upstream, midstream, and downstream, both on land and at sea.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 3 | 912 contacts → | ||||
Exact match “At CAMIN, we provide inspection, laboratory testing, and additive treatment solutions to the Petroleum Industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 4 | 606 contacts → | ||||
Exact match “Saybolt is the trade name for Core Laboratories' laboratory analyses, independent field inspections, and monitoring and verification programs for crude oil and its derived…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 5 | 560 contacts → | ||||
Exact match “Tubestar, is a privately held company with over 4 decades experience in India.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 6 | 256 contacts → | ||||
Exact match “Setting the Standard for Premier Inspection Services in the Oil & Gas Industry through our Dedication to Tradition / Talent / Technology / Teamwork TJ Inspection provides the…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 7 | 232 contacts → | ||||
Exact match “OCS Group Singapore with its main office in Singapore was founded in 1998, initially under the name Rig International, in 2001 due to various additional services OCS rebranded to…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 8 | 157 contacts → | ||||
Exact match “Established in 2008 by a team of technocrats, MGCLLP is one of the leading conformity assessment body in Hydrocarbon Industry with rich experience on large projects such as…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 9 | 132 contacts → | ||||
Exact match “Since 1978, Coastal Gulf & International, Inc.(CGI) has been a trusted leader in independent inspection, testing, and technical services for the energy, petrochemical, and marine…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 10 | 114 contacts → | ||||
Exact match “Jimcol Resources Nigeria Limited is an indigenous company incorporated in 1990.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 11 | 112 contacts → | ||||
Exact match “3B Inspection was founded in 2016 to provide dependable, high-quality inspection services for the oil and gas pipeline industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 12 | 108 contacts → | ||||
Exact match “Victory Oil & Energy is an ingenious oil and gas organization with its astute core focus centered primarily across the upstream segment in the energy space with an impactful track…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 13 | 93 contacts → | ||||
Exact match “ABOUT US: Drawing upon over four decades of expertise, our objective is to elevate inspection and surveillance endeavors to an international standard, thereby enhancing our brand…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 14 | 86 contacts → | ||||
Exact match “Intersica results from the merge of SICA, ATS and QUINEX.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 15 | 83 contacts → | ||||
Exact match “Eram international is an ISO 17020: 1998 type “A” inspection body which is an independent organization established and registered Head office in Saudi Arabia, provides Quality…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 16 | 82 contacts → | ||||
Exact match “In 1978, Rochem Petroleum Testing Services was established in Egypt in response to an ever-increasing demand for the quality and quantity control of Petroleum Crude Oil and its…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 17 | 80 contacts → | ||||
Exact match “TF AUDITORES Y ASESORES SAS BIC es una firma con más de 29 años de experiencia, conformada por un grupo multidisciplinario de profesionales, con vasta información en firmas…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 18 | 79 contacts → | ||||
Exact match “Based in Belle Chasse, LA, with a satellite location in Houma, LA, Tailing International, LLC provides 3rd party inspection and construction management to the oil and gas industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 19 | 69 contacts → | ||||
Exact match “Martindale Consultants was founded in 1982 to deliver specialized audit, accounting, and regulatory compliance services to the oil and gas industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 20 | 67 contacts → | ||||
Exact match “Incorporated on 2 June 2008, FIRM SYNERGY SDN BHD (FSSB) is a company that certified ISO 9001:2015 based Sabah.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 21 | 59 contacts → | ||||
Exact match “ADC Energy Ltd.(formerly Aberdeen Drilling Consultants) is an international, family owned company with a worldwide reputation, gained by providing the highest standard of Rig…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 22 | 55 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 23 | 50 contacts → | ||||
Exact match “Protection and management of Oil & Gas assets has become a paramount and mandatory consideration for any organization in the energy sector.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 24 | 50 contacts → | ||||
Exact match “Sinergy is a service Company providing highly qualified solutions for the energy sector.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 25 | 46 contacts → | ||||
Exact match “Kudos Georgia is an independent audit, accounting, valuation, tax advisory and corporate finance firm based in Tbilisi, Georgia.” Recorded in the RevenueBase company graph · Oct 19, 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 “oil and gas auditors”. 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 478 oil and gas auditors worldwide
See the full list, filter by size, metro and specialty, and access 3,677 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Oil and gas auditors worldwide at a glance
As of Oct 19, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for oil and gas auditors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “oil and gas auditors” 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. 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 3,677 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 19, 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 auditors by location
2 lists · largest firstEvery Oil and gas auditors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 auditors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil and gas auditors are there worldwide?
RevenueBase identified 478 company matches for oil and gas auditors worldwide 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?
Amspec Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most oil and gas auditors?
The United States leads with 85 companies, followed by Canada (26). Every oil and gas auditors list by country and city is linked on this page.
Which city has the most oil and gas auditors?
Houston leads with 19 company records, followed by Calgary (10) and Aberdeen (8).
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 3,677 professional contacts with verified work emails tracked across these 478 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 478 oil and gas auditors worldwide. 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.
More company lists
Company intelligence · public preview
Top 25 oil and gas auditors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 478 matching company records for oil and gas auditors worldwide, with 13,518 tracked contacts and 3,677 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 19, 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 oil and gas auditors worldwide
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 |  Amspec Groupamspecgroup.comHQ: Cranbury, NJ, United StatesReported employees: 5,001-10,000 | Cranbury, NJ, United States | 5,001-10,000 | Exact match | 3,621 contacts → |
“The AmSpec Group has been relied upon in the testing, inspection, and certification (TIC) sector for several decades.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Applus OIL And GASapplus.comHQ: Madrid, ItalyReported employees: 10001+ | Madrid, Italy | 10001+ | Exact match | 1,473 contacts → |
“Applus+ is globally recognized across all phases of the oil and gas industry, including upstream, midstream, and downstream, both on land and at sea.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Camin Cargo Control INCcamincargo.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 912 contacts → |
“At CAMIN, we provide inspection, laboratory testing, and additive treatment solutions to the Petroleum Industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Saybolt Internationalcorelab.comHQ: Vlaardingen, NetherlandsReported employees: 1,001-5,000 | Vlaardingen, Netherlands | 1,001-5,000 | Exact match | 606 contacts → |
“Saybolt is the trade name for Core Laboratories' laboratory analyses, independent field inspections, and monitoring and verification programs for crude oil and its derived…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Tubestar OIL And GAS Services PVT LTDtubestar.com HQ: Navi Mumbai, IndiaReported employees: 501-1,000 | Navi Mumbai, India | 501-1,000 | Exact match | 560 contacts → |
“Tubestar, is a privately held company with over 4 decades experience in India.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  TJ Inspection, INCtjinspection.comHQ: Oklahoma City, OK, United StatesReported employees: 201-500 | Oklahoma City, OK, United States | 201-500 | Exact match | 256 contacts → |
“Setting the Standard for Premier Inspection Services in the Oil & Gas Industry through our Dedication to Tradition / Talent / Technology / Teamwork TJ Inspection provides the…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  OCS Group Singaporeocsgroup.sgHQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 232 contacts → |
“OCS Group Singapore with its main office in Singapore was founded in 1998, initially under the name Rig International, in 2001 due to various additional services OCS rebranded to…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Meenaar Global Consultants LLPmgcllp.in HQ: Faridabad, IndiaReported employees: 51-200 | Faridabad, India | 51-200 | Exact match | 157 contacts → |
“Established in 2008 by a team of technocrats, MGCLLP is one of the leading conformity assessment body in Hydrocarbon Industry with rich experience on large projects such as…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  CGI Coastal Gulf & Internationalcoastalgulf.comHQ: Saint Rose, LA, United StatesReported employees: 201-500 | Saint Rose, LA, United States | 201-500 | Exact match | 132 contacts → |
“Since 1978, Coastal Gulf & International, Inc.(CGI) has been a trusted leader in independent inspection, testing, and technical services for the energy, petrochemical, and marine…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Jimcol Resources Nigeria Limitedjimcolresources.comHQ: Portharcourt, NigeriaReported employees: 51-200 | Portharcourt, Nigeria | 51-200 | Exact match | 114 contacts → |
“Jimcol Resources Nigeria Limited is an indigenous company incorporated in 1990.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  3b Inspection3binspection.comHQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 112 contacts → |
“3B Inspection was founded in 2016 to provide dependable, high-quality inspection services for the oil and gas pipeline industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Victory OIL & Energyvictoryoe.com HQ: Luanda, AngolaReported employees: 51-200 | Luanda, Angola | 51-200 | Exact match | 108 contacts → |
“Victory Oil & Energy is an ingenious oil and gas organization with its astute core focus centered primarily across the upstream segment in the energy space with an impactful track…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Inspectioninspection.com.tr HQ: Istanbul, TürkiyeReported employees: 201-500 | Istanbul, Türkiye | 201-500 | Exact match | 93 contacts → |
“ABOUT US: Drawing upon over four decades of expertise, our objective is to elevate inspection and surveillance endeavors to an international standard, thereby enhancing our brand…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Intersicaintersica.com HQ: Asnières-sur-seine, FranceReported employees: 51-200 | Asnières-sur-seine, France | 51-200 | Exact match | 86 contacts → |
“Intersica results from the merge of SICA, ATS and QUINEX.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Eram Internationaleram-international.com HQ: Al Khobar 31952, United KingdomReported employees: 1,001-5,000 | Al Khobar 31952, United Kingdom | 1,001-5,000 | Exact match | 83 contacts → |
“Eram international is an ISO 17020: 1998 type “A” inspection body which is an independent organization established and registered Head office in Saudi Arabia, provides Quality…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Rochem Inspectorsrocheminspectors.com HQ: Alexandria, EgyptReported employees: 51-200 | Alexandria, Egypt | 51-200 | Exact match | 82 contacts → |
“In 1978, Rochem Petroleum Testing Services was established in Egypt in response to an ever-increasing demand for the quality and quantity control of Petroleum Crude Oil and its…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  TF Auditores Y Asesores SAS BICtfauditores.comHQ: Bogotá D.c., ColombiaReported employees: 51-200 | Bogotá D.c., Colombia | 51-200 | Exact match | 80 contacts → |
“TF AUDITORES Y ASESORES SAS BIC es una firma con más de 29 años de experiencia, conformada por un grupo multidisciplinario de profesionales, con vasta información en firmas…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Tailing International, LLCtailingllc.comHQ: Belle Chasse, LA, United StatesReported employees: 11-50 | Belle Chasse, LA, United States | 11-50 | Exact match | 79 contacts → |
“Based in Belle Chasse, LA, with a satellite location in Houma, LA, Tailing International, LLC provides 3rd party inspection and construction management to the oil and gas industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Martindale Consultants, INCmarticons.comHQ: Oklahoma City, OK, United StatesReported employees: 51-200 | Oklahoma City, OK, United States | 51-200 | Exact match | 69 contacts → |
“Martindale Consultants was founded in 1982 to deliver specialized audit, accounting, and regulatory compliance services to the oil and gas industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Firm Synergy SDN BHDfirmsynergy.comHQ: Penampang, MalaysiaReported employees: 51-200 | Penampang, Malaysia | 51-200 | Exact match | 67 contacts → |
“Incorporated on 2 June 2008, FIRM SYNERGY SDN BHD (FSSB) is a company that certified ISO 9001:2015 based Sabah.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  ADC Energy LTDadc.energyHQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 59 contacts → |
“ADC Energy Ltd.(formerly Aberdeen Drilling Consultants) is an international, family owned company with a worldwide reputation, gained by providing the highest standard of Rig…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Inspection Associates, INCinspectionassoc.comHQ: Cypress, TX, United StatesReported employees: 11-50 | Cypress, TX, United States | 11-50 | Exact match | 55 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 |  Allied Engineersalliedengineer.comHQ: New Delhi House, IndiaReported employees: 51-200 | New Delhi House, India | 51-200 | Exact match | 50 contacts → |
“Protection and management of Oil & Gas assets has become a paramount and mandatory consideration for any organization in the energy sector.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Sinergy Services SRLsinergyservices.comHQ: Massa, ItalyReported employees: Not recorded | Massa, Italy | Not recorded | Exact match | 50 contacts → |
“Sinergy is a service Company providing highly qualified solutions for the energy sector.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Kudos Georgiakudos.geHQ: Tbilisi, GeorgiaReported employees: 51-200 | Tbilisi, Georgia | 51-200 | Exact match | 46 contacts → |
“Kudos Georgia is an independent audit, accounting, valuation, tax advisory and corporate finance firm based in Tbilisi, Georgia.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 478 company matches
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Oil and gas auditors: dataset insights
October 19, 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
478 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 country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 478 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 19, 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 ↗
Oil and gas auditors by location
2 lists · largest firstEvery Oil and gas auditors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for oil and gas auditors?
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 oil and gas auditors did RevenueBase find worldwide?
The saved snapshot records 478 matching company records, 13,518 tracked contacts and 3,677 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 19, 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 oil and gas auditors worldwide. Snapshot: October 19, 2026. https://revenuebase.ai/companies/browse/oil-and-gas-auditors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 oil and gas auditors worldwide
RevenueBase records 478 matching company records for oil and gas auditors worldwide, with 13,518 tracked contacts and 3,677 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 19, 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 oil and gas auditors worldwide
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 | Amspec Groupamspecgroup.com HQ: Cranbury, NJ, United StatesReported employees: 5,001-10,000 | Cranbury, NJ, United States | 5,001-10,000 | Exact match | 3,621 contacts → |
“The AmSpec Group has been relied upon in the testing, inspection, and certification (TIC) sector for several decades.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Applus OIL And GASapplus.com HQ: Madrid, ItalyReported employees: 10001+ | Madrid, Italy | 10001+ | Exact match | 1,473 contacts → |
“Applus+ is globally recognized across all phases of the oil and gas industry, including upstream, midstream, and downstream, both on land and at sea.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Camin Cargo Control INCcamincargo.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 912 contacts → |
“At CAMIN, we provide inspection, laboratory testing, and additive treatment solutions to the Petroleum Industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Saybolt Internationalcorelab.com HQ: Vlaardingen, NetherlandsReported employees: 1,001-5,000 | Vlaardingen, Netherlands | 1,001-5,000 | Exact match | 606 contacts → |
“Saybolt is the trade name for Core Laboratories' laboratory analyses, independent field inspections, and monitoring and verification programs for crude oil and its derived…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Tubestar OIL And GAS Services PVT LTDtubestar.com HQ: Navi Mumbai, IndiaReported employees: 501-1,000 | Navi Mumbai, India | 501-1,000 | Exact match | 560 contacts → |
“Tubestar, is a privately held company with over 4 decades experience in India.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | TJ Inspection, INCtjinspection.com HQ: Oklahoma City, OK, United StatesReported employees: 201-500 | Oklahoma City, OK, United States | 201-500 | Exact match | 256 contacts → |
“Setting the Standard for Premier Inspection Services in the Oil & Gas Industry through our Dedication to Tradition / Talent / Technology / Teamwork TJ Inspection provides the…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | OCS Group Singaporeocsgroup.sg HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 232 contacts → |
“OCS Group Singapore with its main office in Singapore was founded in 1998, initially under the name Rig International, in 2001 due to various additional services OCS rebranded to…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Meenaar Global Consultants LLPmgcllp.in HQ: Faridabad, IndiaReported employees: 51-200 | Faridabad, India | 51-200 | Exact match | 157 contacts → |
“Established in 2008 by a team of technocrats, MGCLLP is one of the leading conformity assessment body in Hydrocarbon Industry with rich experience on large projects such as…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | CGI Coastal Gulf & Internationalcoastalgulf.com HQ: Saint Rose, LA, United StatesReported employees: 201-500 | Saint Rose, LA, United States | 201-500 | Exact match | 132 contacts → |
“Since 1978, Coastal Gulf & International, Inc.(CGI) has been a trusted leader in independent inspection, testing, and technical services for the energy, petrochemical, and marine…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Jimcol Resources Nigeria Limitedjimcolresources.com HQ: Portharcourt, NigeriaReported employees: 51-200 | Portharcourt, Nigeria | 51-200 | Exact match | 114 contacts → |
“Jimcol Resources Nigeria Limited is an indigenous company incorporated in 1990.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 3b Inspection3binspection.com HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 112 contacts → |
“3B Inspection was founded in 2016 to provide dependable, high-quality inspection services for the oil and gas pipeline industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Victory OIL & Energyvictoryoe.com HQ: Luanda, AngolaReported employees: 51-200 | Luanda, Angola | 51-200 | Exact match | 108 contacts → |
“Victory Oil & Energy is an ingenious oil and gas organization with its astute core focus centered primarily across the upstream segment in the energy space with an impactful track…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Inspectioninspection.com.tr HQ: Istanbul, TürkiyeReported employees: 201-500 | Istanbul, Türkiye | 201-500 | Exact match | 93 contacts → |
“ABOUT US: Drawing upon over four decades of expertise, our objective is to elevate inspection and surveillance endeavors to an international standard, thereby enhancing our brand…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Intersicaintersica.com HQ: Asnières-sur-seine, FranceReported employees: 51-200 | Asnières-sur-seine, France | 51-200 | Exact match | 86 contacts → |
“Intersica results from the merge of SICA, ATS and QUINEX.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Eram Internationaleram-international.com HQ: Al Khobar 31952, United KingdomReported employees: 1,001-5,000 | Al Khobar 31952, United Kingdom | 1,001-5,000 | Exact match | 83 contacts → |
“Eram international is an ISO 17020: 1998 type “A” inspection body which is an independent organization established and registered Head office in Saudi Arabia, provides Quality…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Rochem Inspectorsrocheminspectors.com HQ: Alexandria, EgyptReported employees: 51-200 | Alexandria, Egypt | 51-200 | Exact match | 82 contacts → |
“In 1978, Rochem Petroleum Testing Services was established in Egypt in response to an ever-increasing demand for the quality and quantity control of Petroleum Crude Oil and its…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | TF Auditores Y Asesores SAS BICtfauditores.com HQ: Bogotá D.c., ColombiaReported employees: 51-200 | Bogotá D.c., Colombia | 51-200 | Exact match | 80 contacts → |
“TF AUDITORES Y ASESORES SAS BIC es una firma con más de 29 años de experiencia, conformada por un grupo multidisciplinario de profesionales, con vasta información en firmas…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Tailing International, LLCtailingllc.com HQ: Belle Chasse, LA, United StatesReported employees: 11-50 | Belle Chasse, LA, United States | 11-50 | Exact match | 79 contacts → |
“Based in Belle Chasse, LA, with a satellite location in Houma, LA, Tailing International, LLC provides 3rd party inspection and construction management to the oil and gas industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Martindale Consultants, INCmarticons.com HQ: Oklahoma City, OK, United StatesReported employees: 51-200 | Oklahoma City, OK, United States | 51-200 | Exact match | 69 contacts → |
“Martindale Consultants was founded in 1982 to deliver specialized audit, accounting, and regulatory compliance services to the oil and gas industry.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Firm Synergy SDN BHDfirmsynergy.com HQ: Penampang, MalaysiaReported employees: 51-200 | Penampang, Malaysia | 51-200 | Exact match | 67 contacts → |
“Incorporated on 2 June 2008, FIRM SYNERGY SDN BHD (FSSB) is a company that certified ISO 9001:2015 based Sabah.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | ADC Energy LTDadc.energy HQ: Aberdeen, United KingdomReported employees: 11-50 | Aberdeen, United Kingdom | 11-50 | Exact match | 59 contacts → |
“ADC Energy Ltd.(formerly Aberdeen Drilling Consultants) is an international, family owned company with a worldwide reputation, gained by providing the highest standard of Rig…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Inspection Associates, INCinspectionassoc.com HQ: Cypress, TX, United StatesReported employees: 11-50 | Cypress, TX, United States | 11-50 | Exact match | 55 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Allied Engineersalliedengineer.com HQ: New Delhi House, IndiaReported employees: 51-200 | New Delhi House, India | 51-200 | Exact match | 50 contacts → |
“Protection and management of Oil & Gas assets has become a paramount and mandatory consideration for any organization in the energy sector.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Sinergy Services SRLsinergyservices.com HQ: Massa, ItalyReported employees: Not recorded | Massa, Italy | Not recorded | Exact match | 50 contacts → |
“Sinergy is a service Company providing highly qualified solutions for the energy sector.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Kudos Georgiakudos.ge HQ: Tbilisi, GeorgiaReported employees: 51-200 | Tbilisi, Georgia | 51-200 | Exact match | 46 contacts → |
“Kudos Georgia is an independent audit, accounting, valuation, tax advisory and corporate finance firm based in Tbilisi, Georgia.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 478 company matches
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Oil and gas auditors: dataset insights
October 19, 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
478 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 country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 478 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 19, 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 ↗
Oil and gas auditors by location
2 lists · largest firstEvery Oil and gas auditors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for oil and gas auditors?
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 oil and gas auditors did RevenueBase find worldwide?
The saved snapshot records 478 matching company records, 13,518 tracked contacts and 3,677 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 19, 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.
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Cite this list
RevenueBase Data Team. Top 25 oil and gas auditors worldwide. Snapshot: October 19, 2026. https://revenuebase.ai/companies/browse/oil-and-gas-auditors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗