Company lists · Data refreshed October 2026
Top 19 Petroleum refinery contractors based in Chennai, India
RevenueBase identified 82 company matches for petroleum refinery contractors associated with Chennai, India as of October 2026 and tracks 5,410 professional contacts across them, including 305 with verified work emails. Across India, Mumbai is the largest hub for this category (103 companies); Chennai has 82.
This list covers company matches for petroleum refinery contractors associated with Chennai, India, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 22, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 19 largest petroleum refinery contractors based in Chennai, India
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,210 contacts → | ||||
Exact match “Chennai Petroleum Corporation Limited (CPCL) is a subsidiary of IOCL with world class refining technologies and a dominant presence in South India.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 2 | 753 contacts → | ||||
Exact match “Gulf Asia Engineering and Projects Private Limited(GAEP), subsidiary of RP Group, Bahrain, is a leading engineering and construction company.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 3 | 583 contacts → | ||||
Exact match “OEG is a global Leading technology company in Power, Process and Water Industry providing one stop turnkey solutions including basic & detailed engineering, Planning, project…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 4 | 197 contacts → | ||||
Exact match “Texcel Engineers – the name is synonym for Technical Excellence.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 5 | 157 contacts → | ||||
Exact match “iFluids Engineering, an ISO 9001:2015 certified company provides specialized services predominantly for Oil & Gas, Petro-chemical and also other industrial sectors.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 6 | 64 contacts → | ||||
Exact match “Sloan Global, Inc was founded on the principles of honesty, integrity, and safety.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 7 | 60 contacts → | ||||
Exact match “We are a multidisciplinary engineering company providing comprehensive design and engineering services across our offices in Dubai, Dammam, and Qatar.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 8 | 55 contacts → | ||||
Exact match “EPCOGEN Pvt Ltd is an Engineering Service Company, performing Pre-Bid Engineering, FEED & Detailed Engineering, primarily for the Oil & Gas, Refineries, Petrochemicals and Power…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 9 | 55 contacts → | ||||
Exact match “Chemsis was established by a team of Professional Engineers & is the abbreviated form of Chemical Process Systems.We undertake Process Plant Engineering & Design, Procurement &…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 10 | 50 contacts → | ||||
Exact match “VAAP ENERGY PVT.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 11 | 49 contacts → | ||||
Exact match “Oiltech is engaged in design, engineering and project management services for the Oil & Gas, Energy, Process & Petrochemical, Water and Effluent Treatment and Waste to Value…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 12 | 38 contacts → | ||||
Exact match “Accuspeed Engineering Services India Limited offers cost effective engineering solutions and services covering Design, Detailed Engineering, Supply, erection, installation and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 13 | 31 contacts → | ||||
Exact match “El Shaddai was founded in year 2009 to quench the burgeoning global demand of qualified manpower in the diverse sectors of the Oil & Gas industries.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 14 | 27 contacts → | ||||
Exact match “Procedyne Engineers is a mechanical or industrial engineering company based out of 4, JAYARAM AVENUE, SHASTRI NAGAR, Chennai, Tamil Nadu, India.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 15 | 27 contacts → | ||||
Exact match “RUASTECH is the consultancy firm in the fields of engineering, technical services and innovation.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 16 | 16 contacts → | ||||
Exact match “Founded on 15 September 2023, Petrochem Designs is an emerging plant engineering and design organization delivering innovative, cost-effective solutions for diverse process…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 17 | 11 contacts → | ||||
Exact match “MOSS has established ourselves as a reliable stakeholder to provide the expertise in the field of construction for the oil and gas, petrochemical, process industries, storage…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Welcoming you to the world of Koushic Pressure Vessels Pvt Ltd.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “Who We are: FOURSEPCM have vast and versatile experience in Offshore and Onshore sectors including Refinery, Petrochemicals, Power plant and Process plants.” Recorded in the RevenueBase company graph · Oct 22, 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 refinery contractors”. 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 19 of 82 petroleum refinery contractors based in Chennai, India
See the full list, filter by size, metro and specialty, and access 305 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Petroleum refinery contractors based in Chennai, India at a glance
As of Oct 22, 2026Companies by employee count
Email recency for this list is measured across the whole India list rather than for Chennai, so it is reported there. Company counts and contact totals on this page are exact for Chennai, over 82 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Chennai, India whose business descriptions match “petroleum refinery contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 305 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 22, 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 refinery contractors by metro in India
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 refinery contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many petroleum refinery contractors are there based in Chennai, India?
RevenueBase identified 82 company matches for petroleum refinery contractors associated with Chennai, India as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Chennai Petroleum Corp. LTD Indian OIL tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in India has the most petroleum refinery contractors?
Mumbai leads India with 103 company records, followed by Pune (96) and Chennai (82).
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 305 professional contacts with verified work emails tracked across these 82 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 82 petroleum refinery contractors based in Chennai, India. Start with a free account, no credit card.
Download this list →Related lists
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 19 petroleum refinery contractors based in Chennai, India
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 82 matching company records for petroleum refinery contractors based in Chennai, India, with 5,410 tracked contacts and 305 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 22, 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 19 petroleum refinery contractors based in Chennai, India
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 | Chennai Petroleum Corp. LTD Indian OILcpcl.co.in HQ: Chennai, IndiaReported employees: 1,001-5,000 | Chennai, India | 1,001-5,000 | Exact match | 1,210 contacts → |
“Chennai Petroleum Corporation Limited (CPCL) is a subsidiary of IOCL with world class refining technologies and a dominant presence in South India.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Chennai, IndiaReported employees: Not recorded | Chennai, India | Not recorded | Exact match | 753 contacts → |
“Gulf Asia Engineering and Projects Private Limited(GAEP), subsidiary of RP Group, Bahrain, is a leading engineering and construction company.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Operational Energy Group India LTDoegglobal.com HQ: Chennai, IndiaReported employees: 1,001-5,000 | Chennai, India | 1,001-5,000 | Exact match | 583 contacts → |
“OEG is a global Leading technology company in Power, Process and Water Industry providing one stop turnkey solutions including basic & detailed engineering, Planning, project…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Texcel Engineers PVT LTDtexcelengineers.net HQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 197 contacts → |
“Texcel Engineers – the name is synonym for Technical Excellence.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Ifluids Engineeringifluids.comHQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 157 contacts → |
“iFluids Engineering, an ISO 9001:2015 certified company provides specialized services predominantly for Oil & Gas, Petro-chemical and also other industrial sectors.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Sloan Globalsloanglobal.netHQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 64 contacts → |
“Sloan Global, Inc was founded on the principles of honesty, integrity, and safety.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Petronash Engineering Servicespetronashengineering.comHQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 60 contacts → |
“We are a multidisciplinary engineering company providing comprehensive design and engineering services across our offices in Dubai, Dammam, and Qatar.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Epcogen Private Limitedepcogen.comHQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 55 contacts → |
“EPCOGEN Pvt Ltd is an Engineering Service Company, performing Pre-Bid Engineering, FEED & Detailed Engineering, primarily for the Oil & Gas, Refineries, Petrochemicals and Power…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Chemsys Innovative Solutionschemsis.inHQ: Chennai, IndiaReported employees: 11-50 | Chennai, India | 11-50 | Exact match | 55 contacts → |
“Chemsis was established by a team of Professional Engineers & is the abbreviated form of Chemical Process Systems.We undertake Process Plant Engineering & Design, Procurement &…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Vaap Energy Pvt.Ltdvaapenergy.comHQ: Chennai, IndiaReported employees: 11-50 | Chennai, India | 11-50 | Exact match | 50 contacts → |
“VAAP ENERGY PVT.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Oiltech Engineering LTDoiltech.inHQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 49 contacts → |
“Oiltech is engaged in design, engineering and project management services for the Oil & Gas, Energy, Process & Petrochemical, Water and Effluent Treatment and Waste to Value…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 38 contacts → |
“Accuspeed Engineering Services India Limited offers cost effective engineering solutions and services covering Design, Detailed Engineering, Supply, erection, installation and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  EL Shaddai Engineering P LTDelshaddaihr.comHQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 31 contacts → |
“El Shaddai was founded in year 2009 to quench the burgeoning global demand of qualified manpower in the diverse sectors of the Oil & Gas industries.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Procedyne Engineersindustrialstrainers.comHQ: Chennai, IndiaReported employees: 11-50 | Chennai, India | 11-50 | Exact match | 27 contacts → |
“Procedyne Engineers is a mechanical or industrial engineering company based out of 4, JAYARAM AVENUE, SHASTRI NAGAR, Chennai, Tamil Nadu, India.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Ruastech Engineeringruastech.comHQ: Chennai, IndiaReported employees: 1-10 | Chennai, India | 1-10 | Exact match | 27 contacts → |
“RUASTECH is the consultancy firm in the fields of engineering, technical services and innovation.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Petrochem Designspetrochemdesigns.comHQ: Chennai, IndiaReported employees: 1-10 | Chennai, India | 1-10 | Exact match | 16 contacts → |
“Founded on 15 September 2023, Petrochem Designs is an emerging plant engineering and design organization delivering innovative, cost-effective solutions for diverse process…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Moss Engineering Private Limitedmossgp.comHQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 11 contacts → |
“MOSS has established ourselves as a reliable stakeholder to provide the expertise in the field of construction for the oil and gas, petrochemical, process industries, storage…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Koushic Pressure Vessels Private Limitedkoushic.com HQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 5 contacts → |
“Welcoming you to the world of Koushic Pressure Vessels Pvt Ltd.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Fours Epcm Private Limitedfoursepcm.com HQ: Chennai, IndiaReported employees: 1-10 | Chennai, India | 1-10 | Exact match | 4 contacts → |
“Who We are: FOURSEPCM have vast and versatile experience in Offshore and Onshore sectors including Refinery, Petrochemicals, Power plant and Process plants.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 19 of 82 company matches
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Petroleum refinery contractors: dataset insights
October 22, 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
81 records in the displayed employee bands.
1 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 India list rather than for Chennai, so it is reported there. Company counts and contact totals on this page are exact for Chennai, over 82 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 22, 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 refinery contractors by metro in India
Questions about this company list
What does Exact match mean for petroleum refinery contractors?
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 refinery contractors did RevenueBase find based in Chennai, India?
The saved snapshot records 82 matching company records, 5,410 tracked contacts and 305 verified emails. The public preview displays 19 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 22, 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
Petroleum refinery contractors by geography
- Petroleum refinery contractors based in Buenos Aires, Argentina
- Petroleum refinery contractors based in Perth, Australia
- Petroleum refinery contractors based in Belo Horizonte, Brazil
- Petroleum refinery contractors based in Rio De Janeiro, Brazil
- Petroleum refinery contractors based in Sao Paulo, Brazil
- Petroleum refinery contractors based in Calgary, Canada
- Petroleum refinery contractors based in Edmonton, Canada
- Petroleum refinery contractors based in Cairo, Egypt
- Petroleum refinery contractors based in Ahmedabad, India
- Petroleum refinery contractors based in Hyderabad, India
- Petroleum refinery contractors based in Mumbai, India
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Cite this list
RevenueBase Data Team. Top 19 petroleum refinery contractors based in Chennai, India. Snapshot: October 22, 2026. https://revenuebase.ai/companies/petroleum-refinery-contractors/india/chennai.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Petroleum refinery contractors based in Buenos Aires, Argentina
- Petroleum refinery contractors based in Perth, Australia
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Company intelligence · public preview
Top 19 petroleum refinery contractors based in Chennai, India
RevenueBase records 82 matching company records for petroleum refinery contractors based in Chennai, India, with 5,410 tracked contacts and 305 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 22, 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 19 petroleum refinery contractors based in Chennai, India
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 | Chennai Petroleum Corp. LTD Indian OILcpcl.co.in HQ: Chennai, IndiaReported employees: 1,001-5,000 | Chennai, India | 1,001-5,000 | Exact match | 1,210 contacts → |
“Chennai Petroleum Corporation Limited (CPCL) is a subsidiary of IOCL with world class refining technologies and a dominant presence in South India.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Chennai, IndiaReported employees: Not recorded | Chennai, India | Not recorded | Exact match | 753 contacts → |
“Gulf Asia Engineering and Projects Private Limited(GAEP), subsidiary of RP Group, Bahrain, is a leading engineering and construction company.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Operational Energy Group India LTDoegglobal.com HQ: Chennai, IndiaReported employees: 1,001-5,000 | Chennai, India | 1,001-5,000 | Exact match | 583 contacts → |
“OEG is a global Leading technology company in Power, Process and Water Industry providing one stop turnkey solutions including basic & detailed engineering, Planning, project…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Texcel Engineers PVT LTDtexcelengineers.net HQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 197 contacts → |
“Texcel Engineers – the name is synonym for Technical Excellence.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ifluids Engineeringifluids.com HQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 157 contacts → |
“iFluids Engineering, an ISO 9001:2015 certified company provides specialized services predominantly for Oil & Gas, Petro-chemical and also other industrial sectors.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Sloan Globalsloanglobal.net HQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 64 contacts → |
“Sloan Global, Inc was founded on the principles of honesty, integrity, and safety.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Petronash Engineering Servicespetronashengineering.com HQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 60 contacts → |
“We are a multidisciplinary engineering company providing comprehensive design and engineering services across our offices in Dubai, Dammam, and Qatar.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Epcogen Private Limitedepcogen.com HQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 55 contacts → |
“EPCOGEN Pvt Ltd is an Engineering Service Company, performing Pre-Bid Engineering, FEED & Detailed Engineering, primarily for the Oil & Gas, Refineries, Petrochemicals and Power…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Chemsys Innovative Solutionschemsis.in HQ: Chennai, IndiaReported employees: 11-50 | Chennai, India | 11-50 | Exact match | 55 contacts → |
“Chemsis was established by a team of Professional Engineers & is the abbreviated form of Chemical Process Systems.We undertake Process Plant Engineering & Design, Procurement &…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Vaap Energy Pvt.Ltdvaapenergy.com HQ: Chennai, IndiaReported employees: 11-50 | Chennai, India | 11-50 | Exact match | 50 contacts → |
“VAAP ENERGY PVT.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Oiltech Engineering LTDoiltech.in HQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 49 contacts → |
“Oiltech is engaged in design, engineering and project management services for the Oil & Gas, Energy, Process & Petrochemical, Water and Effluent Treatment and Waste to Value…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 38 contacts → |
“Accuspeed Engineering Services India Limited offers cost effective engineering solutions and services covering Design, Detailed Engineering, Supply, erection, installation and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | EL Shaddai Engineering P LTDelshaddaihr.com HQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 31 contacts → |
“El Shaddai was founded in year 2009 to quench the burgeoning global demand of qualified manpower in the diverse sectors of the Oil & Gas industries.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Procedyne Engineersindustrialstrainers.com HQ: Chennai, IndiaReported employees: 11-50 | Chennai, India | 11-50 | Exact match | 27 contacts → |
“Procedyne Engineers is a mechanical or industrial engineering company based out of 4, JAYARAM AVENUE, SHASTRI NAGAR, Chennai, Tamil Nadu, India.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ruastech Engineeringruastech.com HQ: Chennai, IndiaReported employees: 1-10 | Chennai, India | 1-10 | Exact match | 27 contacts → |
“RUASTECH is the consultancy firm in the fields of engineering, technical services and innovation.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Petrochem Designspetrochemdesigns.com HQ: Chennai, IndiaReported employees: 1-10 | Chennai, India | 1-10 | Exact match | 16 contacts → |
“Founded on 15 September 2023, Petrochem Designs is an emerging plant engineering and design organization delivering innovative, cost-effective solutions for diverse process…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Moss Engineering Private Limitedmossgp.com HQ: Chennai, IndiaReported employees: 51-200 | Chennai, India | 51-200 | Exact match | 11 contacts → |
“MOSS has established ourselves as a reliable stakeholder to provide the expertise in the field of construction for the oil and gas, petrochemical, process industries, storage…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Koushic Pressure Vessels Private Limitedkoushic.com HQ: Chennai, IndiaReported employees: 201-500 | Chennai, India | 201-500 | Exact match | 5 contacts → |
“Welcoming you to the world of Koushic Pressure Vessels Pvt Ltd.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Fours Epcm Private Limitedfoursepcm.com HQ: Chennai, IndiaReported employees: 1-10 | Chennai, India | 1-10 | Exact match | 4 contacts → |
“Who We are: FOURSEPCM have vast and versatile experience in Offshore and Onshore sectors including Refinery, Petrochemicals, Power plant and Process plants.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 19 of 82 company matches
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Petroleum refinery contractors: dataset insights
October 22, 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
81 records in the displayed employee bands.
1 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 India list rather than for Chennai, so it is reported there. Company counts and contact totals on this page are exact for Chennai, over 82 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 22, 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 refinery contractors by metro in India
Questions about this company list
What does Exact match mean for petroleum refinery contractors?
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 refinery contractors did RevenueBase find based in Chennai, India?
The saved snapshot records 82 matching company records, 5,410 tracked contacts and 305 verified emails. The public preview displays 19 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 19 petroleum refinery contractors based in Chennai, India. Snapshot: October 22, 2026. https://revenuebase.ai/companies/petroleum-refinery-contractors/india/chennai.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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