This selection of energy companies in Karnataka features a mix of established industrial players and younger firms in renewable energy. Many are mid-sized to large, with several employing over 1,000 people. Key players include Ola Electric, which innovates sustainable mobility solutions, and Ather Energy, a pioneer in smart electric scooters. BMM ISPAT LTD. focuses on converting iron ore into steel, while Triveni Turbine Limited manufactures industrial steam turbines. SUN Mobility accelerates EV adoption with battery swapping technology, and GPS Renewables is a biofuels firm.
A clear pattern is the strong concentration of headquarters in Bengaluru, which is home to the majority of these companies. The list also shows a blend of traditional energy sectors like mining and oil and gas, alongside a significant presence of companies dedicated to renewable energy, electric vehicle components, and sustainable manufacturing.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Ola Electricolaelectric.com
Innovating sustainable mobility solutions to accelerate the world's transition towards a greener future Join the revolution today! |
8,711 | |||
| 2 |
Ather Energyatherenergy.com
Ather Energy pioneers smart electric scooters, charging infrastructure, and ownership plans, merging clean design, engineering, and a complete EV ecosystem |
4,309 | |||
| 3 |
ZETWERKzetwerk.com
Universal manufacturing network utilizing new-age technology to streamline production, reduce costs, and optimize suppliers for high-quality, globally competitive manufacturing solutions |
2,324 | |||
| 4 |
BMM ISPAT LTD.bmm.in
Innovative mining business converting iron ore into quality steel products through technological advancement and strategic thinking, focusing on customer satisfaction |
1,384 | |||
| 5 |
Triveni Turbine Limitedtriveniturbines.com
Global leader in manufacturing industrial steam turbines with customizable solutions for various industries, providing reliable power generation and heating applications worldwide |
1,258 | |||
| 6 |
KIRLOSKAR ELECTRIC COMPANY LTD.kirloskarelectric.com
An Indian electrical engineering company producing high-quality products for power generation, transmission, transportation, and renewable energy sectors |
1,103 | |||
| 7 |
EMMVEE Photovoltaic Power Limitedemmvee.com
Manufactures high performance photovoltaic modules, solar panels, and solar water heaters while developing smart infrastructure to provide clean, reliable energy for global sustainability. |
1,090 | |||
| 8 |
MSPL Limitedbaldota.co.in
A diversified conglomerate founded in 1961, focusing on mining, pelletization, wind power, gases, shipping, mental wellness, and angel investments in startups Striving for sustainable growth |
1,061 | |||
| 9 |
SUN Mobilitysunmobility.com
SUN Mobility accelerates electric vehicle adoption with innovative battery swapping technology, making EVs accessible, affordable, and sustainable for all |
918 | |||
| 10 |
GPS Renewablesgpsrenewables.com
A leading biofuels firm in India offering technology and project development solutions for bioCNG, Ethanol, and Green H2, backed by reputable investors |
907 | |||
| 11 |
Kirloskar Electric Co. Ltd.kirloskar-electric.com
A leading Indian manufacturer of electrical and power equipment, offering a wide range of custom-engineered products meeting global standards |
871 | |||
| 12 |
Karnataka Power Corporation Ltdkpcl.karnataka.gov.in
A leading power generating company in Karnataka, providing renewable and non-renewable energy to empower the state since 1970 |
850 | |||
| 13 |
Mangalore Refinery & Petrochemicals LTD - Indiamrpl.co.in
A versatile and flexible refinery in Karnataka, India, processing various crude oils to deliver a range of quality petroleum products |
838 | |||
| 14 |
Exide Energy Solutions Ltdexideindustries.com
Leading the way in India with a groundbreaking Giga plant for manufacturing Lithium Ion Cells and Battery Pack solutions for diverse applications |
828 | |||
| 15 |
Agratas โ A Tata Enterpriseagratas.com
Designs, manufactures, and supplies sustainable high-quality batteries for mobility and energy sectors, driving global transition to net zero emissions |
802 | |||
| 16 |
TMEIC Indiatmeic.com
Global leader in rotating machines, power electronics, and automation technologies for industrial, commercial, and utility customers, specializing in PV inverters, VFDs, electric motors, and UPS systems |
702 | |||
| 17 |
Lithium Urban Technologiesproject-lithium.com
An innovative business focused on sustainable solutions, offering India's first zero-emission transport service with electric vehicles, charging infrastructure, and advanced technology for efficient management |
695 | |||
| 18 |
ONGC Mangalore Petrochemicals Ltdompl.co.in
A green field petrochemicals project integrated with a refinery, producing Para-xylene and Benzene, located in a Special Economic Zone |
687 | |||
| 19 |
Karnataka Power Transmission Corporation Limited (KPTCL)kptcl.karnataka.gov.in
A government-owned corporation in Karnataka, responsible for power transmission, station construction, and maintenance of substations under a license from the Karnataka Electricity Regulatory Commission |
661 | |||
| 20 |
Bouncebounceinfinity.com
Bounce offers smart mobility solutions in India, providing keyless bike rentals for stress-free, time-saving, and convenient daily commutes |
625 | |||
| 21 |
Simple Energysimpleenergy.in
Passionate about future mobility, specializing in indigenous engineering and design for optimizing battery performance and creating robust solutions for urban environments |
613 | |||
| 22 |
TD Power Systemstdps.co.in
Global leader in AC Generator and Motor Manufacturing, providing customized solutions for renewable energy, oil & gas, marine, and other industries worldwide |
572 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 23 |
Apollo Power Systemsapollopowersystems.com
Apollo offers comprehensive energy and power solutions, including sales and service of diesel generators, turnkey projects, electrical contracting, facility management, renewable energy products, and manufacturing services |
548 | |||
| 24 |
Pace Digitek Limitedpacedigitek.com
PACE is a prominent OEM supplier and O&M service provider for Towercos & Opcos, as well as a provider of Solar Solutions |
512 | |||
| 25 |
ELMEASUREelmeasure.com
A dynamic team specializing in energy management, providing tailor-made solutions for industries, commercial establishments, and major energy users globally |
476 | |||
| 26 |
Emmvee Groupemmvee.com
Manufacturing advanced solar PV modules and water heaters with thirty years of industry expertise to provide reliable clean energy for various sectors. |
457 | |||
| 27 |
IndianOil Skytanking Ltdindianoilskytanking.co.in
Specializing in aviation fuel farm facility design, construction, and operation, as well as providing into-plane fuelling services without selling fuel directly |
439 | |||
| 28 |
Ayana Renewable Powerayanapower.com
A leading renewable energy IPP in India, offering utility scale solutions in solar, wind, hybrid, and clean energy projects, aiming for a 10GWac portfolio by 2025 |
431 | |||
| 29 |
HESCOM - Indiahescom.co.in
A Karnataka-based electricity supply company providing power services to the region |
426 | |||
| 30 |
Orb Energyorbenergy.com
Vertical integration in solar energy: manufacturing panels, financing SMEs, and providing end-to-end solutions for residential, commercial, and industrial customers Operates in India and Kenya |
406 | |||
| 31 |
Turnoturnoev.com
Electric vehicle company facilitating commercial vehicle operators to switch to EVs with a wide selection, financing options, and battery value guarantees for maximum ROI in India |
393 | |||
| 32 |
BASE CORPORATION LTD, SOLAN- H.P.basebatteries.com
A leading battery manufacturer in India, providing high quality batteries, inverters and UPS for industrial and domestic utilities nationwide Expanding with a new manufacturing plant |
365 | |||
| 33 |
Kazamkazam.energy
The company is building an ecosystem in the electric vehicle space, offering a Super App for individual drivers, ERP software for organizations, and enabling micro-entrepreneurs with IoT-enabled charging stations |
353 | |||
| 34 |
Param Renewable Energyparamrenewable.com
Param Renewable Energy, affiliated with Gensol, utilizes expertise, advanced technology, and AI analytics to optimize renewable energy project efficiency and maximize investor returns |
342 | |||
| 35 |
auma india pvt ltdauma.com
A leading manufacturer of electric actuators and gear boxes for valve automation, serving major projects in power, water, cement, oil, and gas sectors |
329 | |||
| 36 |
Bolt.Earthbolt.earth
Largest EV charging network in India with extensive infrastructure, app-based access, business solutions, and complete in-house technology development. |
248 | |||
| 37 | 244 | ||||
| 38 |
Schneider Electric India Private Limited (Through Solutions)
An electrical/electronic manufacturing company in Bangalore, India, providing solutions in the field of energy management and automation |
244 | |||
| 39 |
REConnect Energyreconnectenergy.com
A growth stage digital energy platform startup specializing in AI and Grid Automation software for renewables and energy utilities Headquarters in Bengaluru |
222 | |||
| 40 |
Ciel & Terre Indiaciel-et-terre.net
Specializing in floating solar PV systems, this company offers innovative solutions for efficient and land-saving clean energy production on water bodies worldwide |
61 | |||
| 41 |
EVQPoint Solutionsevqpoint.com
This company specializes in Smart Electric Vehicle Charging Technology, offering solutions for convenient and eco-friendly charging in various settings |
32 | |||
| 42 |
ExxonMobil India Careerscorporate.exxonmobil.com
This company powers growth with LNG, provides product solutions like lubricants and chemicals, and offers critical technology support for global operations and emissions reduction. |
23 | |||
| 43 |
Rebolt EV Chargingreboltnetwork.com
The company provides convenient and fast-charging stations for electric vehicles at frequently visited locations, eliminating range anxiety Download the app for hassle-free EV charging |
15 | |||
| 44 |
Oneplug | Electric Vehicle Charging Solutionsoneplug.co.in
Providing safe, accurate, and convenient charging solutions for a variety of electric vehicles at accessible locations with deluxe amenities |
7 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 11, 2026.
More company lists in Karnataka
- The largest companies in Karnataka 2,315
- Multinational companies in Karnataka 459
- IT Services and IT Consulting companies in Karnataka 274
- Companies with in-house R&D in Karnataka 271
- Manufacturers in Karnataka 270
- Education providers in Karnataka 261
- IT services companies in Karnataka 246
- Companies with a mobile app in Karnataka 236
- AI companies in Karnataka 169
- Professional services firms in Karnataka 161
- Hardware manufacturers in Karnataka 154
- Retail chains in Karnataka 154
- Software Development companies in Karnataka 142
- Financial Services companies in Karnataka 138
- SaaS companies in Karnataka 137
- E-commerce companies in Karnataka 111
- Consulting firms in Karnataka 110
- Venture-backed startups in Karnataka 108
- Financial services firms in Karnataka 102
- Education Administration Programs companies in Karnataka 93
- Technology, Information and Internet companies in Karnataka 90
- Publicly traded companies in Karnataka 90
- Higher Education companies in Karnataka 89
- Hospitals and Health Care companies in Karnataka 78
The same list elsewhere in India
- Energy companies in India 631
- Energy companies in Maharashtra 154
- Energy companies in Gujarat 64
- Energy companies in Haryana 51
- Energy companies in Tamil Nadu 49
- Energy companies in Uttar Pradesh 45
- Energy companies in West Bengal 36
- Energy companies in Rajasthan 25
- Energy companies in Mumbai 92
- Energy companies in New Delhi 72
- Energy companies in Gurugram 44
- Energy companies in Chennai 38
- Energy companies in Bengaluru 35
- Energy companies in Kolkata 34
- Energy companies in Ahmedabad 33
- Energy companies in Pune 31
- Energy companies in Noida 28