Company lists · Data refreshed October 2026

Top 11 Epc contractors for petrochemicals based in Kolkata, India

Name: Epc contractors for petrochemicals based in Kolkata, India
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 33 companies tracked

RevenueBase identified 33 company matches for epc contractors for petrochemicals associated with Kolkata, India as of October 2026 and tracks 1,539 professional contacts across them, including 214 with verified work emails. Across India, Mumbai is the largest hub for this category (104 companies); Kolkata has 33.

This list covers company matches for epc contractors for petrochemicals associated with Kolkata, 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 12, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 12, 2026 How this list was built

33Companies

1,539Contacts tracked

214Verified emails

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The 11 largest epc contractors for petrochemicals based in Kolkata, India

Ranked by team size

Top 11 of 33 company matches for epc contractors for petrochemicals based in Kolkata, India, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Tuaman Engineering Limited	Exact match	Kolkata, IndiaHQ recorded Oct 12, 2026	501-1,000	551 contacts →
	Exact match “Incepted in 2005, Tuaman Engineering Limited (TEL) is a multidisciplinary EPC (Engineering, Procurement, Construction) company, providing a complete solution for Civil &…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	BTL EPC LTD - Engineering	Exact match	Kolkata, IndiaHQ recorded Oct 12, 2026	501-1,000	318 contacts →
	Exact match “BTL EPC LTD, is one of the fastest-growing EPC companies today, specialises in EPC contracting across Power, Steel, Mining, Defence, Coal Chemical industries.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Wpil Limited	Exact match	Kolkata, IndiaHQ recorded Oct 12, 2026	501-1,000	110 contacts →
	Exact match “WPIL is a global leader in specialized pumping products and services.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Pansen Engineering India Pvt. LTD	Exact match	Kolkata, IndiaHQ recorded Oct 12, 2026	51-200	83 contacts →
	Exact match “PANSEN Engineering (India) Pvt Ltd, is an Indian Company registered under Companies Act 1956/2013 and is an associated company of Shanghai Pansen Electric Co.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Uniseven Engineering & Infrastructure Private Limited	Exact match	Kolkata, IndiaHQ recorded Oct 12, 2026	501-1,000	35 contacts →
	Exact match “UNISEVEN ENGINEERING & INFRASTRUCTURE PRIVATE LIMITED is a machinery company based out of 30D, JAWAHARLAL NEHRU ROAD, KOLKATA, West Bengal, India.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	The Mining & Engineering Corporation	Exact match	Kolkata, IndiaHQ recorded Oct 12, 2026	501-1,000	35 contacts →
	Exact match “The Mining & Engineering Corporation is a Kolkata based young and dynamic Project Company, having PAN India operations along with an experience of 20 years.Having specialisation…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Hutni Projekt FM India Private Limited	Exact match	Kolkata, IndiaHQ recorded Oct 12, 2026	11-50	26 contacts →
	Exact match “Hutni Projekt FM (India) Private Limited is 100% subsidiary company of HPFM and quite familiar with MOEF and other statutory norms of India for Gas Cleaning Plant, Coke Oven By…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Aster Consultancy	Exact match	Kolkata, IndiaHQ recorded Oct 12, 2026	11-50	19 contacts →
	Exact match “ASTER CONSULTANCY, established in April 2013 under the leadership of SAIKAT GHOSH, works in various EPC projects in detail design engineering with leading construction companies.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Bridge And Roof Company India LTD	Exact match	Kolkata, IndiaHQ recorded Oct 12, 2026	1,001-5,000	18 contacts →
	Exact match “Bridge & Roof Company (India) Limited was incorporated on 16th January, 1920 and has completed more than a hundred years of service to the nation.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Intra Project Consultants	Exact match	Kolkata, IndiaHQ recorded Oct 12, 2026	11-50	13 contacts →
	Exact match “We are pleased to inform you that we, Intra Project Consultants, are the front runner for state-of-art technology products & systems from the range of leading multinational…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Mnext Solutions Private Limited	Exact match	Kolkata, IndiaHQ recorded Oct 12, 2026	11-50	6 contacts →
	Exact match “WE AND OUR VISION We are a leadership team with best minds over cumulative 300 years of multi-industry experience and expertise coalesced on a new seamless platform (MNEXT…” Recorded in the RevenueBase company graph · Oct 12, 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 “epc contractors for petrochemicals”. 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 11 of 33 epc contractors for petrochemicals based in Kolkata, India

See the full list, filter by size, metro and specialty, and access 214 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Epc contractors for petrochemicals based in Kolkata, India at a glance

As of Oct 12, 2026

13.9%Verified-email coverage

46.6Average contacts per company

11-50Median size (employees)

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole India list rather than for Kolkata, so it is reported there. Company counts and contact totals on this page are exact for Kolkata, over 33 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 Kolkata, India whose business descriptions match “epc contractors for petrochemicals” 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 214 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 12, 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.

Epc contractors for petrochemicals 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 “epc contractors for petrochemicals”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many epc contractors for petrochemicals are there based in Kolkata, India?

RevenueBase identified 33 company matches for epc contractors for petrochemicals associated with Kolkata, 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?

Tuaman Engineering Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in India has the most epc contractors for petrochemicals?

Mumbai leads India with 104 company records, followed by Pune (90) and Chennai (82). Kolkata has 33.

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 214 professional contacts with verified work emails tracked across these 33 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 12, 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 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.