Company lists · Data refreshed September 2026
Top 25 Oil and gas accounting firms worldwide
RevenueBase identified 5,147 oil and gas accounting firms worldwide as of September 2026 and tracks 65,792 professional contacts across them, including 16,281 with verified work emails and 9,258 with mobile numbers. The United States is the largest market and Houston the largest hub.
This list covers oil and gas accounting firms worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 5, 2026. Country and city lists for oil and gas accounting firms follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 accounting firms worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,932 contacts → | ||||
Strong evidence “We are the one and only national company that possesses combined competencies in oil & gas services: seismic, drilling and oilfield.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 2,249 contacts → | ||||
Indirect evidence “OiLSERV is a provider of an expanding range of oilfield services, including well logging, well testing, production enhancement, drilling services, surface production management…” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 800 contacts → | ||||
Indirect evidence “Pour ORCOM, le conseil est un état d'esprit.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 770 contacts → | ||||
Indirect evidence “Pioneer Energy Services is now Patterson-UTI” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 574 contacts → | ||||
Partial evidence “BDO Israel is a dynamic and business oriented accounting and consulting firm, ranking amongst the five leading industry firms in Israel and part of the international network BDO.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 505 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 467 contacts → | ||||
Partial evidence “Prager Metis CPAs is an independent, full service, public accounting and consulting firm.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 424 contacts → | ||||
Strong evidence “EnerVest is a top-tier, low-cost oil and natural gas operating company.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 402 contacts → | ||||
Indirect evidence “Crowe MacKay LLP is a vibrant team of trusted advisors in eight cities across western and northern Canada.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 391 contacts → | ||||
Indirect evidence “Egyptian General Petroleum Corporation- EGPC (الهيئة المصرية العامة للبترول) is a holding company which was established in 1956.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 361 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 272 contacts → | ||||
Indirect evidence “Founded as C&D Wireline in 1968, with C&D Production Specialist joining the business in 1993, today Crosby Energy Services is a certified Women’s Business Enterprise National…” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 253 contacts → | ||||
Strong evidence “For more than 40 years, M&H has been a trusted source for oil & gas consulting services that maximize value for clients.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 235 contacts → | ||||
Strong evidence “Pt singgar mulia, engineering consultant in oil, gas and energy industry” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 231 contacts → | ||||
Indirect evidence “Thomas, Judy and Tucker, P.A.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 209 contacts → | ||||
Indirect evidence “Frost PLLC specializes in Family Businesses, Food and Agriculture, Construction and Real Estate, Business Valuation and Litigation Support, Manufacturing, Public Companies…” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 200 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 197 contacts → | ||||
Indirect evidence “TITIAN focus on providing highest quality products and services related with Turn Around (Shutdown), Well Services (stimulation chemicals, fracturing, and coil tubing), and…” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 190 contacts → | ||||
Strong evidence “Techno Canada Inc.(TCI), a company incorporated in Alberta, provides a diverse range of high quality oil field services across the Oil & Gas upstream value chain to a global…” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 184 contacts → | ||||
Partial evidence “Auditing, Accounting and Taxation It’s been 100 years since David Strachan strode from the pavement of Smith Street into William Cotta Building at number 331, and put up his…” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 183 contacts → | ||||
Partial evidence “Pease Bell is a rapidly growing mid-sized accounting firm serving an expanding nationwide client base.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 183 contacts → | ||||
Indirect evidence “Com mais de 35 anos de atuação, a Audicon consolidou-se como referência em contabilidade consultiva e auditoria em Uberlândia e região.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 182 contacts → | ||||
Indirect evidence “Exco Valliance est une entreprise positionnée sur les métiers de l’expertise comptable, de l'audit et du conseil.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 182 contacts → | ||||
Strong evidence “Providing bookkeeping functions for oil and gas operator, investor, and royalty management entities.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | 178 contacts → | ||||
Indirect evidence “O.P.” Source: RevenueBase Database · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: oil and gas accounting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names oil and gas accounting firms.
- Partial evidence
- Its own public description names part of oil and gas accounting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name oil and gas accounting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 5,147 oil and gas accounting firms worldwide
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Oil and gas accounting firms worldwide at a glance
As of Sep 5, 2026Companies by employee count
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among oil and gas accounting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- 32 countries, largest first: the United States, Brazil, France, the United Kingdom, India, Canada, Nigeria, the United Arab Emirates, Italy, Spain and 22 more. Country and city lists for oil and gas accounting firms are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “oil and gas accounting firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names oil and gas accounting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among oil and gas accounting firms, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 16,281 across the full list. 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 between September 5, 2026 and September 14, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Oil and gas accounting firms by location
40 lists · largest firstEvery Oil and gas accounting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Oil and gas accounting firms based in the United States1,314
- Oil and gas accounting firms based in Brazil680
- Oil and gas accounting firms based in France503
- Oil and gas accounting firms based in the United Kingdom378
- Oil and gas accounting firms based in India213
- Oil and gas accounting firms based in Canada172
- Oil and gas accounting firms based in Nigeria151
- Oil and gas accounting firms based in the United Arab Emirates149
- Oil and gas accounting firms based in Italy138
- Oil and gas accounting firms based in Spain132
- Oil and gas accounting firms based in Türkiye120
- Oil and gas accounting firms based in South Africa99
- Oil and gas accounting firms based in Colombia98
- Oil and gas accounting firms based in Germany96
- Oil and gas accounting firms based in Egypt94
- Oil and gas accounting firms based in Mexico86
- Oil and gas accounting firms based in Sweden84
- Oil and gas accounting firms based in Portugal68
- Oil and gas accounting firms based in Indonesia61
- Oil and gas accounting firms based in Australia59
- Oil and gas accounting firms based in Norway55
- Oil and gas accounting firms based in Argentina49
- Oil and gas accounting firms based in Denmark46
- Oil and gas accounting firms based in Malaysia43
- Oil and gas accounting firms based in Belgium42
- Oil and gas accounting firms based in Romania35
- Oil and gas accounting firms based in Ecuador33
- Oil and gas accounting firms based in Saudi Arabia31
- Oil and gas accounting firms based in Switzerland31
- Oil and gas accounting firms based in the Netherlands31
- Oil and gas accounting firms based in Poland30
- Oil and gas accounting firms based in Israel26
Cities
- Oil and gas accounting firms based in Houston, United States145
- Oil and gas accounting firms based in Sao Paulo, Brazil108
- Oil and gas accounting firms based in Paris, France80
- Oil and gas accounting firms based in Calgary, Canada70
- Oil and gas accounting firms based in London, United Kingdom62
- Oil and gas accounting firms based in Rio De Janeiro, Brazil48
- Oil and gas accounting firms based in Oklahoma City, United States41
- Oil and gas accounting firms based in Dallas, United States29
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names oil and gas accounting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many oil and gas accounting firms are there worldwide?
RevenueBase identified 5,147 oil and gas accounting firms worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
PT Elnusa TBK, headquartered in Jakarta Selatan Dki Jakarta, tops this list with the largest team on record.
Which country has the most oil and gas accounting firms?
The United States leads with 1,314 companies, followed by Brazil (680) and France (503). Every oil and gas accounting firms list by country and city is linked on this page.
Which city has the most oil and gas accounting firms?
Houston leads with 145 headquartered companies, followed by Sao Paulo (108) and Paris (81).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 16,281 verified decision-maker contacts tracked across these 5,147 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled from the company graph between September 5, 2026 and September 14, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, 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 accounting firms worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 5,147 matching company records for oil and gas accounting firms worldwide, with 65,792 tracked contacts and 16,281 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: September 5, 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 accounting firms 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 |  PT Elnusa TBKelnusa.co.idHQ: Jakarta Selatan, IndonesiaReported employees: 1,001-5,000 | Jakarta Selatan, Indonesia | 1,001-5,000 | Exact match | 3,932 contacts → |
“We are the one and only national company that possesses combined competencies in oil & gas services: seismic, drilling and oilfield.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Oilservoilserv.comHQ: Dubai, United Arab EmiratesReported employees: 1,001-5,000 | Dubai, United Arab Emirates | 1,001-5,000 | Exact match | 2,249 contacts → |
“OiLSERV is a provider of an expanding range of oilfield services, including well logging, well testing, production enhancement, drilling services, surface production management…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Orléans, FranceReported employees: 1,001-5,000 | Orléans, France | 1,001-5,000 | Exact match | 800 contacts → |
“Pour ORCOM, le conseil est un état d'esprit.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Pioneer Energy Servicespatenergy.comHQ: San Antonio, TX, United StatesReported employees: 1,001-5,000 | San Antonio, TX, United States | 1,001-5,000 | Exact match | 770 contacts → |
“Pioneer Energy Services is now Patterson-UTI” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  BDO Israelbdo.co.ilHQ: Tel Aviv, IsraelReported employees: 1,001-5,000 | Tel Aviv, Israel | 1,001-5,000 | Exact match | 574 contacts → |
“BDO Israel is a dynamic and business oriented accounting and consulting firm, ranking amongst the five leading industry firms in Israel and part of the international network BDO.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Mazars In The UKmazars.co.ukHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 505 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 |  Prager Metis Cpaspragermetis.comHQ: New York, United StatesReported employees: 201-500 | New York, United States | 201-500 | Exact match | 467 contacts → |
“Prager Metis CPAs is an independent, full service, public accounting and consulting firm.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Enervest, LTDenervest.netHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 424 contacts → |
“EnerVest is a top-tier, low-cost oil and natural gas operating company.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Crowe Mackay LLPcrowe.comHQ: Vancouver, BC, CanadaReported employees: 201-500 | Vancouver, BC, Canada | 201-500 | Exact match | 402 contacts → |
“Crowe MacKay LLP is a vibrant team of trusted advisors in eight cities across western and northern Canada.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  EGPCegpc.com.egHQ: New Maadi, EgyptReported employees: 1,001-5,000 | New Maadi, Egypt | 1,001-5,000 | Exact match | 391 contacts → |
“Egyptian General Petroleum Corporation- EGPC (الهيئة المصرية العامة للبترول) is a holding company which was established in 1956.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Berkowitz Pollack Brant Advisors Cpasbpbcpa.comHQ: Miami, FL, United StatesReported employees: 201-500 | Miami, FL, United States | 201-500 | Exact match | 361 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 |  Crosby Energy Servicescrosbyenergy.comHQ: Cut Off, LA, United StatesReported employees: 201-500 | Cut Off, LA, United States | 201-500 | Exact match | 272 contacts → |
“Founded as C&D Wireline in 1968, with C&D Production Specialist joining the business in 1993, today Crosby Energy Services is a certified Women’s Business Enterprise National…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  M&hmhes.comHQ: Spring, TX, United StatesReported employees: 201-500 | Spring, TX, United States | 201-500 | Exact match | 253 contacts → |
“For more than 40 years, M&H has been a trusted source for oil & gas consulting services that maximize value for clients.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  PT Singgar Muliasinggarmulia.comHQ: Jakarta Selatan, IndonesiaReported employees: 501-1,000 | Jakarta Selatan, Indonesia | 501-1,000 | Exact match | 235 contacts → |
“Pt singgar mulia, engineering consultant in oil, gas and energy industry” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  TJTtjtpa.comHQ: Raleigh, NC, United StatesReported employees: 201-500 | Raleigh, NC, United States | 201-500 | Exact match | 231 contacts → |
“Thomas, Judy and Tucker, P.A.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Frost, Pllcfrostpllc.comHQ: Little Rock, AR, United StatesReported employees: 51-200 | Little Rock, AR, United States | 51-200 | Exact match | 209 contacts → |
“Frost PLLC specializes in Family Businesses, Food and Agriculture, Construction and Real Estate, Business Valuation and Litigation Support, Manufacturing, Public Companies…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Harding, Shymanski & Company, P.S.Chsccpa.comHQ: Evansville, IN, United StatesReported employees: 51-200 | Evansville, IN, United States | 51-200 | Exact match | 200 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Titiantitianservices.comHQ: South Jakarta, IndonesiaReported employees: 51-200 | South Jakarta, Indonesia | 51-200 | Exact match | 197 contacts → |
“TITIAN focus on providing highest quality products and services related with Turn Around (Shutdown), Well Services (stimulation chemicals, fracturing, and coil tubing), and…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Techno Canada INCt-c-i.caHQ: Edmonton, AB, CanadaReported employees: 201-500 | Edmonton, AB, Canada | 201-500 | Exact match | 190 contacts → |
“Techno Canada Inc.(TCI), a company incorporated in Alberta, provides a diverse range of high quality oil field services across the Oil & Gas upstream value chain to a global…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  PKF Durbanpkf.co.zaHQ: Umhlanga, South AfricaReported employees: 201-500 | Umhlanga, South Africa | 201-500 | Exact match | 184 contacts → |
“Auditing, Accounting and Taxation It’s been 100 years since David Strachan strode from the pavement of Smith Street into William Cotta Building at number 331, and put up his…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Pease Bellpeasebell.comHQ: Cleveland, OH, United StatesReported employees: 51-200 | Cleveland, OH, United States | 51-200 | Exact match | 183 contacts → |
“Pease Bell is a rapidly growing mid-sized accounting firm serving an expanding nationwide client base.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Audicon Contadoresaudiconcontadores.com.brHQ: Uberlândia, BrazilReported employees: 51-200 | Uberlândia, Brazil | 51-200 | Exact match | 183 contacts → |
“Com mais de 35 anos de atuação, a Audicon consolidou-se como referência em contabilidade consultiva e auditoria em Uberlândia e região.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Exco Vallianceexco.frHQ: Périgny, FranceReported employees: 201-500 | Périgny, France | 201-500 | Exact match | 182 contacts → |
“Exco Valliance est une entreprise positionnée sur les métiers de l’expertise comptable, de l'audit et du conseil.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Dallas, TX, United StatesReported employees: Not recorded | Dallas, TX, United States | Not recorded | Exact match | 182 contacts → |
“Providing bookkeeping functions for oil and gas operator, investor, and royalty management entities.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  O.P. Bagla & Co. LLPopbco.inHQ: New Delhi, IndiaReported employees: 51-200 | New Delhi, India | 51-200 | Exact match | 178 contacts → |
“O.P.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,147 company matches
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Oil and gas accounting firms: dataset insights
September 5, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
5,116 records in the displayed employee bands.
31 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: September 5, 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 accounting firms by location
40 lists · largest firstEvery Oil and gas accounting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Oil and gas accounting firms based in the United States1,314
- Oil and gas accounting firms based in Brazil680
- Oil and gas accounting firms based in France503
- Oil and gas accounting firms based in the United Kingdom378
- Oil and gas accounting firms based in India213
- Oil and gas accounting firms based in Canada172
- Oil and gas accounting firms based in Nigeria151
- Oil and gas accounting firms based in the United Arab Emirates149
- Oil and gas accounting firms based in Italy138
- Oil and gas accounting firms based in Spain132
- Oil and gas accounting firms based in Türkiye120
- Oil and gas accounting firms based in South Africa99
- Oil and gas accounting firms based in Colombia98
- Oil and gas accounting firms based in Germany96
- Oil and gas accounting firms based in Egypt94
- Oil and gas accounting firms based in Mexico86
- Oil and gas accounting firms based in Sweden84
- Oil and gas accounting firms based in Portugal68
- Oil and gas accounting firms based in Indonesia61
- Oil and gas accounting firms based in Australia59
- Oil and gas accounting firms based in Norway55
- Oil and gas accounting firms based in Argentina49
- Oil and gas accounting firms based in Denmark46
- Oil and gas accounting firms based in Malaysia43
- Oil and gas accounting firms based in Belgium42
- Oil and gas accounting firms based in Romania35
- Oil and gas accounting firms based in Ecuador33
- Oil and gas accounting firms based in Saudi Arabia31
- Oil and gas accounting firms based in Switzerland31
- Oil and gas accounting firms based in the Netherlands31
- Oil and gas accounting firms based in Poland30
- Oil and gas accounting firms based in Israel26
Cities
- Oil and gas accounting firms based in Houston, United States145
- Oil and gas accounting firms based in Sao Paulo, Brazil108
- Oil and gas accounting firms based in Paris, France80
- Oil and gas accounting firms based in Calgary, Canada70
- Oil and gas accounting firms based in London, United Kingdom62
- Oil and gas accounting firms based in Rio De Janeiro, Brazil48
- Oil and gas accounting firms based in Oklahoma City, United States41
- Oil and gas accounting firms based in Dallas, United States29
Questions about this company list
What does Exact match mean for oil and gas accounting firms?
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 accounting firms did RevenueBase find worldwide?
The saved snapshot records 5,147 matching company records, 65,792 tracked contacts and 16,281 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: September 5, 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 accounting firms worldwide. Snapshot: September 5, 2026. https://revenuebase.ai/companies/browse/oil-and-gas-accounting-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 25 oil and gas accounting firms worldwide
RevenueBase records 5,147 matching company records for oil and gas accounting firms worldwide, with 65,792 tracked contacts and 16,281 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: September 5, 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 accounting firms 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 | PT Elnusa TBKelnusa.co.id HQ: Jakarta Selatan, IndonesiaReported employees: 1,001-5,000 | Jakarta Selatan, Indonesia | 1,001-5,000 | Exact match | 3,932 contacts → |
“We are the one and only national company that possesses combined competencies in oil & gas services: seismic, drilling and oilfield.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Oilservoilserv.com HQ: Dubai, United Arab EmiratesReported employees: 1,001-5,000 | Dubai, United Arab Emirates | 1,001-5,000 | Exact match | 2,249 contacts → |
“OiLSERV is a provider of an expanding range of oilfield services, including well logging, well testing, production enhancement, drilling services, surface production management…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Orléans, FranceReported employees: 1,001-5,000 | Orléans, France | 1,001-5,000 | Exact match | 800 contacts → |
“Pour ORCOM, le conseil est un état d'esprit.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Pioneer Energy Servicespatenergy.com HQ: San Antonio, TX, United StatesReported employees: 1,001-5,000 | San Antonio, TX, United States | 1,001-5,000 | Exact match | 770 contacts → |
“Pioneer Energy Services is now Patterson-UTI” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | BDO Israelbdo.co.il HQ: Tel Aviv, IsraelReported employees: 1,001-5,000 | Tel Aviv, Israel | 1,001-5,000 | Exact match | 574 contacts → |
“BDO Israel is a dynamic and business oriented accounting and consulting firm, ranking amongst the five leading industry firms in Israel and part of the international network BDO.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Mazars In The UKmazars.co.uk HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 505 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Prager Metis Cpaspragermetis.com HQ: New York, United StatesReported employees: 201-500 | New York, United States | 201-500 | Exact match | 467 contacts → |
“Prager Metis CPAs is an independent, full service, public accounting and consulting firm.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Enervest, LTDenervest.net HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 424 contacts → |
“EnerVest is a top-tier, low-cost oil and natural gas operating company.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Crowe Mackay LLPcrowe.com HQ: Vancouver, BC, CanadaReported employees: 201-500 | Vancouver, BC, Canada | 201-500 | Exact match | 402 contacts → |
“Crowe MacKay LLP is a vibrant team of trusted advisors in eight cities across western and northern Canada.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | EGPCegpc.com.eg HQ: New Maadi, EgyptReported employees: 1,001-5,000 | New Maadi, Egypt | 1,001-5,000 | Exact match | 391 contacts → |
“Egyptian General Petroleum Corporation- EGPC (الهيئة المصرية العامة للبترول) is a holding company which was established in 1956.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Berkowitz Pollack Brant Advisors Cpasbpbcpa.com HQ: Miami, FL, United StatesReported employees: 201-500 | Miami, FL, United States | 201-500 | Exact match | 361 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 12 | Crosby Energy Servicescrosbyenergy.com HQ: Cut Off, LA, United StatesReported employees: 201-500 | Cut Off, LA, United States | 201-500 | Exact match | 272 contacts → |
“Founded as C&D Wireline in 1968, with C&D Production Specialist joining the business in 1993, today Crosby Energy Services is a certified Women’s Business Enterprise National…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | M&hmhes.com HQ: Spring, TX, United StatesReported employees: 201-500 | Spring, TX, United States | 201-500 | Exact match | 253 contacts → |
“For more than 40 years, M&H has been a trusted source for oil & gas consulting services that maximize value for clients.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | PT Singgar Muliasinggarmulia.com HQ: Jakarta Selatan, IndonesiaReported employees: 501-1,000 | Jakarta Selatan, Indonesia | 501-1,000 | Exact match | 235 contacts → |
“Pt singgar mulia, engineering consultant in oil, gas and energy industry” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | TJTtjtpa.com HQ: Raleigh, NC, United StatesReported employees: 201-500 | Raleigh, NC, United States | 201-500 | Exact match | 231 contacts → |
“Thomas, Judy and Tucker, P.A.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Frost, Pllcfrostpllc.com HQ: Little Rock, AR, United StatesReported employees: 51-200 | Little Rock, AR, United States | 51-200 | Exact match | 209 contacts → |
“Frost PLLC specializes in Family Businesses, Food and Agriculture, Construction and Real Estate, Business Valuation and Litigation Support, Manufacturing, Public Companies…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Harding, Shymanski & Company, P.S.Chsccpa.com HQ: Evansville, IN, United StatesReported employees: 51-200 | Evansville, IN, United States | 51-200 | Exact match | 200 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Titiantitianservices.com HQ: South Jakarta, IndonesiaReported employees: 51-200 | South Jakarta, Indonesia | 51-200 | Exact match | 197 contacts → |
“TITIAN focus on providing highest quality products and services related with Turn Around (Shutdown), Well Services (stimulation chemicals, fracturing, and coil tubing), and…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Techno Canada INCt-c-i.ca HQ: Edmonton, AB, CanadaReported employees: 201-500 | Edmonton, AB, Canada | 201-500 | Exact match | 190 contacts → |
“Techno Canada Inc.(TCI), a company incorporated in Alberta, provides a diverse range of high quality oil field services across the Oil & Gas upstream value chain to a global…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | PKF Durbanpkf.co.za HQ: Umhlanga, South AfricaReported employees: 201-500 | Umhlanga, South Africa | 201-500 | Exact match | 184 contacts → |
“Auditing, Accounting and Taxation It’s been 100 years since David Strachan strode from the pavement of Smith Street into William Cotta Building at number 331, and put up his…” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Pease Bellpeasebell.com HQ: Cleveland, OH, United StatesReported employees: 51-200 | Cleveland, OH, United States | 51-200 | Exact match | 183 contacts → |
“Pease Bell is a rapidly growing mid-sized accounting firm serving an expanding nationwide client base.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Audicon Contadoresaudiconcontadores.com.br HQ: Uberlândia, BrazilReported employees: 51-200 | Uberlândia, Brazil | 51-200 | Exact match | 183 contacts → |
“Com mais de 35 anos de atuação, a Audicon consolidou-se como referência em contabilidade consultiva e auditoria em Uberlândia e região.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Exco Vallianceexco.fr HQ: Périgny, FranceReported employees: 201-500 | Périgny, France | 201-500 | Exact match | 182 contacts → |
“Exco Valliance est une entreprise positionnée sur les métiers de l’expertise comptable, de l'audit et du conseil.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Dallas, TX, United StatesReported employees: Not recorded | Dallas, TX, United States | Not recorded | Exact match | 182 contacts → |
“Providing bookkeeping functions for oil and gas operator, investor, and royalty management entities.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | O.P. Bagla & Co. LLPopbco.in HQ: New Delhi, IndiaReported employees: 51-200 | New Delhi, India | 51-200 | Exact match | 178 contacts → |
“O.P.” Recorded description excerpt · September 5, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 5,147 company matches
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Oil and gas accounting firms: dataset insights
September 5, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
5,116 records in the displayed employee bands.
31 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: September 5, 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 accounting firms by location
40 lists · largest firstEvery Oil and gas accounting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Oil and gas accounting firms based in the United States1,314
- Oil and gas accounting firms based in Brazil680
- Oil and gas accounting firms based in France503
- Oil and gas accounting firms based in the United Kingdom378
- Oil and gas accounting firms based in India213
- Oil and gas accounting firms based in Canada172
- Oil and gas accounting firms based in Nigeria151
- Oil and gas accounting firms based in the United Arab Emirates149
- Oil and gas accounting firms based in Italy138
- Oil and gas accounting firms based in Spain132
- Oil and gas accounting firms based in Türkiye120
- Oil and gas accounting firms based in South Africa99
- Oil and gas accounting firms based in Colombia98
- Oil and gas accounting firms based in Germany96
- Oil and gas accounting firms based in Egypt94
- Oil and gas accounting firms based in Mexico86
- Oil and gas accounting firms based in Sweden84
- Oil and gas accounting firms based in Portugal68
- Oil and gas accounting firms based in Indonesia61
- Oil and gas accounting firms based in Australia59
- Oil and gas accounting firms based in Norway55
- Oil and gas accounting firms based in Argentina49
- Oil and gas accounting firms based in Denmark46
- Oil and gas accounting firms based in Malaysia43
- Oil and gas accounting firms based in Belgium42
- Oil and gas accounting firms based in Romania35
- Oil and gas accounting firms based in Ecuador33
- Oil and gas accounting firms based in Saudi Arabia31
- Oil and gas accounting firms based in Switzerland31
- Oil and gas accounting firms based in the Netherlands31
- Oil and gas accounting firms based in Poland30
- Oil and gas accounting firms based in Israel26
Cities
- Oil and gas accounting firms based in Houston, United States145
- Oil and gas accounting firms based in Sao Paulo, Brazil108
- Oil and gas accounting firms based in Paris, France80
- Oil and gas accounting firms based in Calgary, Canada70
- Oil and gas accounting firms based in London, United Kingdom62
- Oil and gas accounting firms based in Rio De Janeiro, Brazil48
- Oil and gas accounting firms based in Oklahoma City, United States41
- Oil and gas accounting firms based in Dallas, United States29
Questions about this company list
What does Exact match mean for oil and gas accounting firms?
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 accounting firms did RevenueBase find worldwide?
The saved snapshot records 5,147 matching company records, 65,792 tracked contacts and 16,281 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: September 5, 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 accounting firms worldwide. Snapshot: September 5, 2026. https://revenuebase.ai/companies/browse/oil-and-gas-accounting-firms.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗