Company lists · Data refreshed September 2026

Top 18 Utility scale energy maintenance based in India

RevenueBase identified 120 utility scale energy maintenance headquartered in India as of September 2026 and tracks 7,963 professional contacts across them, including 266 with verified work emails. Chennai is the largest hub.

This list covers utility scale energy maintenance 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 19, 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 19, 2026 86% judged on-target in blind review
120Companies
7,963Contacts tracked
266Verified emails
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The 18 largest utility scale energy maintenance based in India

Ranked by team size
Top 18 of 120 utility scale energy maintenance based in India, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to utility scale energy maintenance: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceUp, IndiaHQ checked Sep 19, 2026501-1,000632 contacts →

Indirect evidence

“Our Vision: To provide world class solutions for the renovation and modernization of power plants & other related businesses areas whilst improving our clients environmental…”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceBengaluru, IndiaHQ checked Sep 19, 202610001+363 contacts →

Indirect evidence

“Amps Facilities Management Services is one of the leading 24/7 Integrated Facility Management company in India.”

Source: RevenueBase Database · checked Sep 19, 2026
3Partial evidenceBengaluru, IndiaHQ checked Sep 19, 20261,001-5,000285 contacts →

Partial evidence

“Param Renewable Energy, the O&M arm of Gensol is transforming how renewable energy projects and assets are managed.”

Source: RevenueBase Database · checked Sep 19, 2026
4Indirect evidenceSurat, IndiaHQ checked Sep 19, 202651-20081 contacts →

Indirect evidence

“BA Prerna is renewable service providing company based out at Surat, Gujarat.”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceChennai, IndiaHQ checked Sep 19, 2026201-50072 contacts →

Indirect evidence

“AVR O&M Services (P) Limited, established in 2021 in Chennai, Tamil Nadu, is spearheaded by an ex-Promoter/Director of ENMAS o&m services pvt ltd, along with the core team from…”

Source: RevenueBase Database · checked Sep 19, 2026
6Partial evidenceOkhla New Delhi, IndiaHQ checked Sep 19, 202651-20024 contacts →

Partial evidence

“At Axel Energy Pvt Ltd, we take pride in having nine years of dedicated involvement in the solar energy sector.”

Source: RevenueBase Database · checked Sep 19, 2026
7Partial evidenceNadiad, IndiaHQ checked Sep 19, 2026201-50023 contacts →

Partial evidence

“Gupta Industrial Maintenance Services (GIMS) is a leading engineering services company providing specialized maintenance solutions for thermal power plants, renewables, and other…”

Source: RevenueBase Database · checked Sep 19, 2026
8Partial evidenceNoida, IndiaHQ checked Sep 19, 20261,001-5,00022 contacts →

Partial evidence

“We are a diverse organization involved in providing comprehensive operation and maintenance, of Power Plants, Steel Plants, Aluminum, Zinc, Carbon Plants Mines, Cement Plant etc.”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceVadodara, IndiaHQ checked Sep 19, 2026201-50018 contacts →

Indirect evidence

“At Zero Discharge Systems we have always believed that it is very easy to design and sell equipment, however the crux lies in operating and maintaining the equipment at the…”

Source: RevenueBase Database · checked Sep 19, 2026
10Indirect evidenceGhaziabad, IndiaHQ checked Sep 19, 202611-5017 contacts →

Indirect evidence

“We are an authorized partner for TATA POWER SOLAR for over 10 years.DIVY POWER Pvt Ltd provides cost-effective, state of the art technology to deliver innovative solutions in…”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceBengaluru North, IndiaHQ checked Sep 19, 202611-5016 contacts →

Indirect evidence

“At BGUE, we offer Global standard O&M solutions for optimised PV plant performance.”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceVikhroli (w), IndiaHQ checked Sep 19, 202611-5015 contacts →

Indirect evidence

“Premium Tech Solutions are leading Power Supply Facility Management company in India.”

Source: RevenueBase Database · checked Sep 19, 2026
13Partial evidenceTirupur, IndiaHQ checked Sep 19, 202651-20013 contacts →

Partial evidence

“trusted wind turbine maintenance"”

Source: RevenueBase Database · checked Sep 19, 2026
14Partial evidencePune, IndiaHQ checked Sep 19, 202611-5011 contacts →

Partial evidence

“Adroit Engineering was established in 2012 with a focus on providing maintenance and repair services for wind farms.”

Source: RevenueBase Database · checked Sep 19, 2026
15Partial evidenceAhmedabad, IndiaHQ checked Sep 19, 202611-509 contacts →

Partial evidence

“Varrchasva Energy Pvt.”

Source: RevenueBase Database · checked Sep 19, 2026
16Partial evidenceVapi, IndiaHQ checked Sep 19, 202651-2008 contacts →

Partial evidence

“Yash Engineering has emerged as a pacesetter and leader in the Electrical Construction & Maintenance field since industry realized that a single source turn-key electrical group…”

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceAhmedabad, IndiaHQ checked Sep 19, 20261-104 contacts →

Indirect evidence

“We are a group of highly motivated and organized individuals having experience of more than 15 years in Service domain and we are supporting our customers in the Electrical Power…”

Source: RevenueBase Database · checked Sep 19, 2026
18Partial evidenceRajkot, IndiaHQ checked Sep 19, 20261-102 contacts →

Partial evidence

“Sonnenir Energy LLP is a company located in Rajkot, one of the fasted growing cities in the industrial state of Gujarat, India.”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 18 of 120 utility scale energy maintenance based in India

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Utility scale energy maintenance based in India at a glance

As of Sep 19, 2026
3.3%Verified-email coverage
66.4Average contacts per company
51-200Median size (employees)
5.8%Largest-city concentration · Chennai
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
26
11-50
32
51-200
28
201-500
13
501-1,000
10
1,001-5,000
8
5,001-10,000
1
10001+
2

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 120 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 utility scale energy maintenance, 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 “utility scale energy maintenance”. 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 utility scale energy maintenance), 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 utility scale energy maintenance, 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, 266 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 19, 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.

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 utility scale energy maintenance, 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 utility scale energy maintenance are there based in India?

RevenueBase identified 120 utility scale energy maintenance 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?

Ntpc GE Power Services Limited, headquartered in Up, tops this list with the largest team on record.

Which city has the most utility scale energy maintenance?

Chennai leads with 7 headquartered companies, followed by Ahmedabad (6) and Pune (6).

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 266 verified decision-maker contacts tracked across these 120 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 19, 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.