Company lists · Data refreshed November 2026
Top 25 Petroleum auditors worldwide
RevenueBase identified 678 company matches for petroleum auditors worldwide as of November 2026 and tracks 17,564 professional contacts across them, including 3,921 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers company matches for petroleum 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 November 6, 2026. Country and city lists for petroleum 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 petroleum auditors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,737 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 2,700 contacts → | ||||
Exact match “Surveyor Indonesia didirikan pada tanggal 1 Agustus 1991.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 957 contacts → | ||||
Exact match “At CAMIN, we provide inspection, laboratory testing, and additive treatment solutions to the Petroleum Industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 632 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 256 contacts → | ||||
Exact match “La Société Tunisienne des Industries de Raffinage STIR, a été créée en 1961 suite à une convention entre l’Etat Tunisien et le groupe Italien ENI.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 232 contacts → | ||||
Exact match “Hashi Africa invest primarily in petroleum imports, exports, bulk trading, petroleum depots, distribution networks, and service stations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 163 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 146 contacts → | ||||
Exact match “Laser Engineering is a Petroleum Engineering Consultancy outfit specializing in surface and subsurface studies including well test services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 117 contacts → | ||||
Exact match “Ryder Scott Company, L.P.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 115 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 113 contacts → | ||||
Exact match “A Agência Nacional de Petróleo, Gás e Biocombustíveis, abreviadamente designada por “Agência” ou “ANPG”, foi criada em 2019 por via do Decreto Presidencial n.º 49/19, de 6 de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 109 contacts → | ||||
Exact match “Beicip-Franlab Asia (formerly known as BeicipTecsol) is a petroleum consulting, training provider and software solutions company covering activities from exploration to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 102 contacts → | ||||
Exact match “Geo-Chem India, established in the year 1964 and part of the Cotecna Group since 2022, is one of the largest inspection and testing organizations in India with the core activity…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 92 contacts → | ||||
Exact match “Ravi Energie has been providing multi-level and multi-disciplinary Third Party Inspection and Audit services related to Domestic and International Trade, Commerce, Infrastructure…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 91 contacts → | ||||
Exact match “Autoridade Nacional do Petróleo (ANP) is Timor-Leste public institution, created under Decree Law No.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 83 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 79 contacts → | ||||
Exact match “PETROSEN est une Société Anonyme à capital public majoritaire créée en 1981 à la suite du deuxième choc pétrolier.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 71 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 70 contacts → | ||||
Exact match “Texas OilTech Laboratories, is committed to remaining a world-class petroleum testing laboratory for the analysis of fuels, lubricants, petrochemical, and environmental materials.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 67 contacts → | ||||
Exact match “Petroleum service company specializes in petroleum equpment sales,services, and installations by implementating of the latest engineering technology in the petroleum industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 58 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 56 contacts → | ||||
Exact match “Petroleum Engineering & Energy Advisors - With the Lonquist team, you have access to some of the most experienced and skilled professionals in the business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 56 contacts → | ||||
Exact match “Lockhat Incorporated is a firm of registered auditors offering a range of financial services to both corporate business and government.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 50 contacts → | ||||
Exact match “JD-LINK Oil Company Limited is inspired to confront the challenges in the industry by providing swift service delivery of high quality grades of petroleum and allied products.” Recorded in the RevenueBase company graph · Nov 6, 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 “petroleum 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 678 petroleum auditors worldwide
See the full list, filter by size, metro and specialty, and access 3,921 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Petroleum auditors worldwide at a glance
As of Nov 6, 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 petroleum auditors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “petroleum 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 3,921 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 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.
Petroleum auditors by location
4 lists · largest firstEvery Petroleum auditors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Petroleum auditors based in the United States132
- Petroleum auditors based in Canada33
- Petroleum auditors based in India27
Cities
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 “petroleum auditors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many petroleum auditors are there worldwide?
RevenueBase identified 678 company matches for petroleum auditors worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Amspec Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most petroleum auditors?
The United States leads with 132 companies, followed by Canada (33) and India (27). Every petroleum auditors list by country and city is linked on this page.
Which city has the most petroleum auditors?
Houston leads with 25 company records, followed by Calgary (18) and Cairo (11).
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 3,921 professional contacts with verified work emails tracked across these 678 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 678 petroleum auditors worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
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 petroleum 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 678 matching company records for petroleum auditors worldwide, with 17,564 tracked contacts and 3,921 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: November 6, 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 petroleum 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 | 3,737 contacts → |
“The AmSpec Group has been relied upon in the testing, inspection, and certification (TIC) sector for several decades.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  PT Surveyor Indonesiaptsi.co.idHQ: Jakarta Selatan, IndonesiaReported employees: 5,001-10,000 | Jakarta Selatan, Indonesia | 5,001-10,000 | Exact match | 2,700 contacts → |
“Surveyor Indonesia didirikan pada tanggal 1 Agustus 1991.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Camin Cargo Control INCcamincargo.comHQ: Houston, United StatesReported employees: 1,001-5,000 | Houston, United States | 1,001-5,000 | Exact match | 957 contacts → |
“At CAMIN, we provide inspection, laboratory testing, and additive treatment solutions to the Petroleum Industry.” Recorded description excerpt · November 6, 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 | 632 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Bizerte, TunisiaReported employees: 501-1,000 | Bizerte, Tunisia | 501-1,000 | Exact match | 256 contacts → |
“La Société Tunisienne des Industries de Raffinage STIR, a été créée en 1961 suite à une convention entre l’Etat Tunisien et le groupe Italien ENI.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Hashi Energy LTDhashienergy.comHQ: Nairobi, KenyaReported employees: 51-200 | Nairobi, Kenya | 51-200 | Exact match | 232 contacts → |
“Hashi Africa invest primarily in petroleum imports, exports, bulk trading, petroleum depots, distribution networks, and service stations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Meenaar Global Consultants LLPmgcllp.inHQ: Faridabad, IndiaReported employees: 51-200 | Faridabad, India | 51-200 | Exact match | 163 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Port-harcourt, NigeriaReported employees: 51-200 | Port-harcourt, Nigeria | 51-200 | Exact match | 146 contacts → |
“Laser Engineering is a Petroleum Engineering Consultancy outfit specializing in surface and subsurface studies including well test services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Ryder Scott Co. L.Pryderscott.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 117 contacts → |
“Ryder Scott Company, L.P.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  3b Inspection3binspection.comHQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 115 contacts → |
“3B Inspection was founded in 2016 to provide dependable, high-quality inspection services for the oil and gas pipeline industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Luanda, AngolaReported employees: 501-1,000 | Luanda, Angola | 501-1,000 | Exact match | 113 contacts → |
“A Agência Nacional de Petróleo, Gás e Biocombustíveis, abreviadamente designada por “Agência” ou “ANPG”, foi criada em 2019 por via do Decreto Presidencial n.º 49/19, de 6 de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Beicip-Franlab Asiabeicip.asiaHQ: Kuala Lumpur, MalaysiaReported employees: 51-200 | Kuala Lumpur, Malaysia | 51-200 | Exact match | 109 contacts → |
“Beicip-Franlab Asia (formerly known as BeicipTecsol) is a petroleum consulting, training provider and software solutions company covering activities from exploration to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Geo-Chem Indiageochem.net.inHQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 102 contacts → |
“Geo-Chem India, established in the year 1964 and part of the Cotecna Group since 2022, is one of the largest inspection and testing organizations in India with the core activity…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Inspectioninspection.com.trHQ: 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Ravi Energie Private Limitedravienergie.comHQ: Vadodara, IndiaReported employees: 501-1,000 | Vadodara, India | 501-1,000 | Exact match | 92 contacts → |
“Ravi Energie has been providing multi-level and multi-disciplinary Third Party Inspection and Audit services related to Domestic and International Trade, Commerce, Infrastructure…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  ANP Timor Lesteanpm.tlHQ: Dom Aleixo, United StatesReported employees: 201-500 | Dom Aleixo, United States | 201-500 | Exact match | 91 contacts → |
“Autoridade Nacional do Petróleo (ANP) is Timor-Leste public institution, created under Decree Law No.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Rochem Inspectorsrocheminspectors.comHQ: Alexandria, EgyptReported employees: 51-200 | Alexandria, Egypt | 51-200 | Exact match | 83 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Groupe Petrosenpetrosen.snHQ: Dakar, SenegalReported employees: 51-200 | Dakar, Senegal | 51-200 | Exact match | 79 contacts → |
“PETROSEN est une Société Anonyme à capital public majoritaire créée en 1981 à la suite du deuxième choc pétrolier.” Recorded description excerpt · November 6, 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 | 71 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Texas Oiltech Laboratoriestol-lp.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 70 contacts → |
“Texas OilTech Laboratories, is committed to remaining a world-class petroleum testing laboratory for the analysis of fuels, lubricants, petrochemical, and environmental materials.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Petroleum Servicespetroleumservices.us HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 67 contacts → |
“Petroleum service company specializes in petroleum equpment sales,services, and installations by implementating of the latest engineering technology in the petroleum industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Saybolt Nederland B.Vsaybolt.com HQ: Vlaardingen, NetherlandsReported employees: 201-500 | Vlaardingen, Netherlands | 201-500 | Exact match | 58 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 |  Lonquist & Co., LLClonquist.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 56 contacts → |
“Petroleum Engineering & Energy Advisors - With the Lonquist team, you have access to some of the most experienced and skilled professionals in the business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Lockhat Incorporatedl-inc.co.zaHQ: Port Shepstone, South AfricaReported employees: 51-200 | Port Shepstone, South Africa | 51-200 | Exact match | 56 contacts → |
“Lockhat Incorporated is a firm of registered auditors offering a range of financial services to both corporate business and government.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  JD Link OILjdlinkoil.comHQ: Accra, GhanaReported employees: 201-500 | Accra, Ghana | 201-500 | Exact match | 50 contacts → |
“JD-LINK Oil Company Limited is inspired to confront the challenges in the industry by providing swift service delivery of high quality grades of petroleum and allied products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 678 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Petroleum auditors: dataset insights
November 6, 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
674 records in the displayed employee bands.
4 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 678 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: November 6, 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 ↗
Petroleum auditors by location
4 lists · largest firstEvery Petroleum auditors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Petroleum auditors based in the United States132
- Petroleum auditors based in Canada33
- Petroleum auditors based in India27
Cities
Questions about this company list
What does Exact match mean for petroleum 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 petroleum auditors did RevenueBase find worldwide?
The saved snapshot records 678 matching company records, 17,564 tracked contacts and 3,921 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: November 6, 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 petroleum auditors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/petroleum-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 petroleum auditors worldwide
RevenueBase records 678 matching company records for petroleum auditors worldwide, with 17,564 tracked contacts and 3,921 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: November 6, 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 petroleum 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 | 3,737 contacts → |
“The AmSpec Group has been relied upon in the testing, inspection, and certification (TIC) sector for several decades.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | PT Surveyor Indonesiaptsi.co.id HQ: Jakarta Selatan, IndonesiaReported employees: 5,001-10,000 | Jakarta Selatan, Indonesia | 5,001-10,000 | Exact match | 2,700 contacts → |
“Surveyor Indonesia didirikan pada tanggal 1 Agustus 1991.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Camin Cargo Control INCcamincargo.com HQ: Houston, United StatesReported employees: 1,001-5,000 | Houston, United States | 1,001-5,000 | Exact match | 957 contacts → |
“At CAMIN, we provide inspection, laboratory testing, and additive treatment solutions to the Petroleum Industry.” Recorded description excerpt · November 6, 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 | 632 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Bizerte, TunisiaReported employees: 501-1,000 | Bizerte, Tunisia | 501-1,000 | Exact match | 256 contacts → |
“La Société Tunisienne des Industries de Raffinage STIR, a été créée en 1961 suite à une convention entre l’Etat Tunisien et le groupe Italien ENI.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hashi Energy LTDhashienergy.com HQ: Nairobi, KenyaReported employees: 51-200 | Nairobi, Kenya | 51-200 | Exact match | 232 contacts → |
“Hashi Africa invest primarily in petroleum imports, exports, bulk trading, petroleum depots, distribution networks, and service stations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Meenaar Global Consultants LLPmgcllp.in HQ: Faridabad, IndiaReported employees: 51-200 | Faridabad, India | 51-200 | Exact match | 163 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Port-harcourt, NigeriaReported employees: 51-200 | Port-harcourt, Nigeria | 51-200 | Exact match | 146 contacts → |
“Laser Engineering is a Petroleum Engineering Consultancy outfit specializing in surface and subsurface studies including well test services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ryder Scott Co. L.Pryderscott.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 117 contacts → |
“Ryder Scott Company, L.P.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 3b Inspection3binspection.com HQ: Fort Worth, TX, United StatesReported employees: 201-500 | Fort Worth, TX, United States | 201-500 | Exact match | 115 contacts → |
“3B Inspection was founded in 2016 to provide dependable, high-quality inspection services for the oil and gas pipeline industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Luanda, AngolaReported employees: 501-1,000 | Luanda, Angola | 501-1,000 | Exact match | 113 contacts → |
“A Agência Nacional de Petróleo, Gás e Biocombustíveis, abreviadamente designada por “Agência” ou “ANPG”, foi criada em 2019 por via do Decreto Presidencial n.º 49/19, de 6 de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Beicip-Franlab Asiabeicip.asia HQ: Kuala Lumpur, MalaysiaReported employees: 51-200 | Kuala Lumpur, Malaysia | 51-200 | Exact match | 109 contacts → |
“Beicip-Franlab Asia (formerly known as BeicipTecsol) is a petroleum consulting, training provider and software solutions company covering activities from exploration to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Geo-Chem Indiageochem.net.in HQ: Mumbai, IndiaReported employees: 201-500 | Mumbai, India | 201-500 | Exact match | 102 contacts → |
“Geo-Chem India, established in the year 1964 and part of the Cotecna Group since 2022, is one of the largest inspection and testing organizations in India with the core activity…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ravi Energie Private Limitedravienergie.com HQ: Vadodara, IndiaReported employees: 501-1,000 | Vadodara, India | 501-1,000 | Exact match | 92 contacts → |
“Ravi Energie has been providing multi-level and multi-disciplinary Third Party Inspection and Audit services related to Domestic and International Trade, Commerce, Infrastructure…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | ANP Timor Lesteanpm.tl HQ: Dom Aleixo, United StatesReported employees: 201-500 | Dom Aleixo, United States | 201-500 | Exact match | 91 contacts → |
“Autoridade Nacional do Petróleo (ANP) is Timor-Leste public institution, created under Decree Law No.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Rochem Inspectorsrocheminspectors.com HQ: Alexandria, EgyptReported employees: 51-200 | Alexandria, Egypt | 51-200 | Exact match | 83 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Groupe Petrosenpetrosen.sn HQ: Dakar, SenegalReported employees: 51-200 | Dakar, Senegal | 51-200 | Exact match | 79 contacts → |
“PETROSEN est une Société Anonyme à capital public majoritaire créée en 1981 à la suite du deuxième choc pétrolier.” Recorded description excerpt · November 6, 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 | 71 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Texas Oiltech Laboratoriestol-lp.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 70 contacts → |
“Texas OilTech Laboratories, is committed to remaining a world-class petroleum testing laboratory for the analysis of fuels, lubricants, petrochemical, and environmental materials.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Petroleum Servicespetroleumservices.us HQ: United StatesReported employees: Not recorded | United States | Not recorded | Exact match | 67 contacts → |
“Petroleum service company specializes in petroleum equpment sales,services, and installations by implementating of the latest engineering technology in the petroleum industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Saybolt Nederland B.Vsaybolt.com HQ: Vlaardingen, NetherlandsReported employees: 201-500 | Vlaardingen, Netherlands | 201-500 | Exact match | 58 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Lonquist & Co., LLClonquist.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 56 contacts → |
“Petroleum Engineering & Energy Advisors - With the Lonquist team, you have access to some of the most experienced and skilled professionals in the business.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Lockhat Incorporatedl-inc.co.za HQ: Port Shepstone, South AfricaReported employees: 51-200 | Port Shepstone, South Africa | 51-200 | Exact match | 56 contacts → |
“Lockhat Incorporated is a firm of registered auditors offering a range of financial services to both corporate business and government.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | JD Link OILjdlinkoil.com HQ: Accra, GhanaReported employees: 201-500 | Accra, Ghana | 201-500 | Exact match | 50 contacts → |
“JD-LINK Oil Company Limited is inspired to confront the challenges in the industry by providing swift service delivery of high quality grades of petroleum and allied products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 678 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Petroleum auditors: dataset insights
November 6, 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
674 records in the displayed employee bands.
4 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 678 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: November 6, 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 ↗
Petroleum auditors by location
4 lists · largest firstEvery Petroleum auditors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Petroleum auditors based in the United States132
- Petroleum auditors based in Canada33
- Petroleum auditors based in India27
Cities
Questions about this company list
What does Exact match mean for petroleum 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 petroleum auditors did RevenueBase find worldwide?
The saved snapshot records 678 matching company records, 17,564 tracked contacts and 3,921 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: November 6, 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 petroleum auditors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/petroleum-auditors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗