Company lists · Data refreshed September 2026

Top 25 Industrial environmental compliance contractors based in India

Name: Industrial environmental compliance contractors based in India
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 402 companies tracked

RevenueBase identified 402 industrial environmental compliance contractors headquartered in India as of September 2026 and tracks 8,654 professional contacts across them, including 693 with verified work emails. Pune is the largest hub.

This list covers industrial environmental compliance contractors headquartered in India, 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 17, 2026.

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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

402Companies

8,654Contacts tracked

693Verified emails

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The 25 largest industrial environmental compliance contractors based in India

Ranked by team size

Top 25 of 402 industrial environmental compliance contractors based in India, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to industrial environmental compliance contractors: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	ION Exchange India LTD	Partial evidence	Mumbai, IndiaHQ checked Sep 17, 2026	1,001-5,000	3,810 contacts →
	Partial evidence “At Ion Exchange India, we bring you total environment solutions - water treatment, liquid waste treatment & recycle, air pollution control, solid & hazardous waste management and…” Source: RevenueBase Database · checked Sep 17, 2026
2	Clean Harbors India	Indirect evidence	Hyderabad, IndiaHQ checked Sep 17, 2026	1,001-5,000	450 contacts →
	Indirect evidence “Clean Harbors India has been strategically established as the Global Capability Center (GCC) to serve our parent company.” Source: RevenueBase Database · checked Sep 17, 2026
3	HECS	Strong evidence	Chennai, IndiaHQ checked Sep 17, 2026	1,001-5,000	356 contacts →
	Strong evidence “We are India’s Leading Environmental Management Company and Service Provider, serving as a catalyst to the cause of Environmental preservation for the Industrial and Domestic…” Source: RevenueBase Database · checked Sep 17, 2026
4	Vardan Envirolab LLP	Indirect evidence	Gurugram, IndiaHQ checked Sep 17, 2026	201-500	142 contacts →
	Indirect evidence “Vardan EnviroNet is an organization of senior state and central government retired officers from various departments like Pollution Control Board, Mines & Geology, Public Sector…” Source: RevenueBase Database · checked Sep 17, 2026
5	Global Pccs	Strong evidence	Bengaluru North, IndiaHQ checked Sep 17, 2026	51-200	118 contacts →
	Strong evidence “Global PCCS is a leader in the compliance services and we have been providing IMDS services to global manufacturers to comply their products with specific Environmental…” Source: RevenueBase Database · checked Sep 17, 2026
6	Techknowgreen Solutions Limited Global	Strong evidence	Pune, IndiaHQ checked Sep 17, 2026	51-200	81 contacts →
	Strong evidence “Techknowgreen Solutions Limited is a leading environmental consulting firm in India with 24+ years of expertise in regulatory compliance, cutting-edge technology, and IT solutions.” Source: RevenueBase Database · checked Sep 17, 2026
7	Aplinka Solutions And Technologies Pvt. LTD	Indirect evidence	Noida, IndiaHQ checked Sep 17, 2026	51-200	69 contacts →
	Indirect evidence “We Believe in making the world a better place to live.” Source: RevenueBase Database · checked Sep 17, 2026
8	Enviro Analysts & Engineers Pvt. LTD	Indirect evidence	Mumbai, IndiaHQ checked Sep 17, 2026	51-200	69 contacts →
	Indirect evidence “ENVIRO ANALYSTS & ENGINEERS PVT.” Source: RevenueBase Database · checked Sep 17, 2026
9	Hydrotech Paryavaran India Pvt. LTD	Indirect evidence	Sas Nagar, IndiaHQ checked Sep 17, 2026	201-500	68 contacts →
	Indirect evidence “Hydrotech Paryavaran (India) Pvt.” Source: RevenueBase Database · checked Sep 17, 2026
10	Green Solution	Partial evidence	Pune, IndiaHQ checked Sep 17, 2026	51-200	66 contacts →
	Partial evidence “Green Solution is an organisation aimed to facilitate organisations building an environment-friendly ecosystem.” Source: RevenueBase Database · checked Sep 17, 2026
11	Perfact Group	Strong evidence	New Delhi, IndiaHQ checked Sep 17, 2026	51-200	62 contacts →
	Strong evidence “At Perfact Group, we are proudly committed to offering environmental solutions that empower businesses to adapt to changing ESG requirements, maintain regulatory compliance, and…” Source: RevenueBase Database · checked Sep 17, 2026
12	ECO Paryavaran Laboratories & Consultants Pvt. LTD	Indirect evidence	Sahibzada Ajit Singh Nagar, IndiaHQ checked Sep 17, 2026	51-200	62 contacts →
	Indirect evidence “Eco Paryavaran Laboratories & Consultants Pvt.” Source: RevenueBase Database · checked Sep 17, 2026
13	Visiontek Consultancy Services	Strong evidence	Bhubaneswar, IndiaHQ checked Sep 17, 2026	201-500	59 contacts →
	Strong evidence “At Visiontek Consultancy Services, we are a pioneering consulting organization in India, specializing in environmental protection, industrial pollution control, and engineering…” Source: RevenueBase Database · checked Sep 17, 2026
14	Ecomak Systems	Partial evidence	Pune, IndiaHQ checked Sep 17, 2026	51-200	55 contacts →
	Partial evidence “Ecomak is a global EPC a solutions provider delivering engineering-led solutions for Industrial Process Plants & Industrial Pollution Control, across heavy and regulated…” Source: RevenueBase Database · checked Sep 17, 2026
15	Unistar Environment And Research Labs PVT LTD	Partial evidence	Vapi, IndiaHQ checked Sep 17, 2026	201-500	53 contacts →
	Partial evidence “UniStar Environmental and Research Labs Pvt Ltd, established in 2003, is a trusted innovator in environmental services.” Source: RevenueBase Database · checked Sep 17, 2026
16	Emergy Enviro Pvt. Ltd. Sine-Iit Bombay Company	Indirect evidence	Mumbai, IndiaHQ checked Sep 17, 2026	11-50	52 contacts →
	Indirect evidence “EMERGY Enviro Pvt.” Source: RevenueBase Database · checked Sep 17, 2026
17	Haat Incinerators India PVT LTD	Indirect evidence	Bengaluru, IndiaHQ checked Sep 17, 2026	51-200	42 contacts →
	Indirect evidence “Haat Incinerators India Pvt Ltd is an engineering company from the Garden City of India, Bangalore.” Source: RevenueBase Database · checked Sep 17, 2026
18	EHS Guru Sustainable Solutions Private Limited	Indirect evidence	Gurugram, IndiaHQ checked Sep 17, 2026	11-50	41 contacts →
	Indirect evidence “Founded in 2017, EHS Guru has grown from serving our very first client - the Government of India to partnering with 328+ multinational companies, large corporates, and community…” Source: RevenueBase Database · checked Sep 17, 2026
19	Aqua Matrix System PVT LTD	Partial evidence	Chennai, IndiaHQ checked Sep 17, 2026	51-200	40 contacts →
	Partial evidence “Aqua Matrix System Pvt Ltd is an environmental services company based out of 18, IIND CANAL CROSS ROAD, GANDHI NAGAR, ADYAR, Chennai, Tamil Nadu, India.” Source: RevenueBase Database · checked Sep 17, 2026
20	Gaurang Environmental Solutions Pvt. LTD	Partial evidence	Jaipur, IndiaHQ checked Sep 17, 2026	11-50	32 contacts →
	Partial evidence “Gaurang Environmental Solutions is leading Environmental Consultancy and Solution provider company committed to provide complete environmental solutions to the satisfaction of our…” Source: RevenueBase Database · checked Sep 17, 2026
21	Aditya Environmental Services PVT LTD	Partial evidence	Mumbai, IndiaHQ checked Sep 17, 2026	11-50	31 contacts →
	Partial evidence “Aditya Environmental Services Pvt Ltd (AESPL) is an environmental services company based out of Mumbai, Maharashtra, India.” Source: RevenueBase Database · checked Sep 17, 2026
22	Greenleaf Envirotech Limited	Partial evidence	Surat, IndiaHQ checked Sep 17, 2026	51-200	31 contacts →
	Partial evidence “Greenleaf Envirotech Limited is a publicly listed environmental solutions company.” Source: RevenueBase Database · checked Sep 17, 2026
23	Equinox Environments India Pvt. LTD	Strong evidence	Kolhapur, IndiaHQ checked Sep 17, 2026	11-50	24 contacts →
	Strong evidence “Equinox Group (EG) Companies offer services related to Environmental, Civil & Chemical Engineering, Pollution Control & its Abatement, Industrial Safety, Health & Hygiene.” Source: RevenueBase Database · checked Sep 17, 2026
24	Qualicom Solutions PVT LTD	Partial evidence	Kolkata, IndiaHQ checked Sep 17, 2026	51-200	23 contacts →
	Partial evidence “Qualicom is a leading organisation specialized in Environment Engineering with its core competencies in managing Water and Waste water besides controlling Air Pollution & managing…” Source: RevenueBase Database · checked Sep 17, 2026
25	KEY Sustainability Solutions Private Limited	Partial evidence	Bengaluru, IndiaHQ checked Sep 17, 2026	51-200	22 contacts →
	Partial evidence “We are providing services and training on many compliance regulations such as IMDS services & CDX system services, EU-REACH, EU-RoHS, WFD (SCIP Database) California Prop-65…” Source: RevenueBase Database · checked Sep 17, 2026

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: industrial environmental compliance contractors. 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 industrial environmental compliance contractors.
Partial evidence: Its own public description names part of industrial environmental compliance contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name industrial environmental compliance contractors. 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 402 industrial environmental compliance contractors based in India

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Industrial environmental compliance contractors based in India at a glance

As of Sep 17, 2026

8.0%Verified-email coverage

21.5Average contacts per company

11-50Median size (employees)

9.0%Largest-city concentration · Pune

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

132

11-50

159

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured worldwide rather than for India, so it is reported there. Company counts and contact totals on this page are exact for India, over 402 companies.

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 industrial environmental compliance contractors, 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.
What qualifies: Companies headquartered in India whose own description of what they do matches “industrial environmental compliance contractors”. 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 industrial environmental compliance contractors), 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 industrial environmental compliance contractors, and records with no verified work email. Companies headquartered outside India are excluded even when they keep an office there.
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, 693 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 on September 17, 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.

Industrial environmental compliance contractors by metro

Industrial environmental compliance contractors in Pune36
Industrial environmental compliance contractors in Ahmedabad30

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 industrial environmental compliance contractors, 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 industrial environmental compliance contractors are there based in India?

RevenueBase identified 402 industrial environmental compliance contractors headquartered in India 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?

ION Exchange India LTD, headquartered in Mumbai, tops this list with the largest team on record.

Which city has the most industrial environmental compliance contractors?

Pune leads with 36 headquartered companies, followed by Ahmedabad (30) and Mumbai (22).

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 693 verified decision-maker contacts tracked across these 402 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 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.