| 22921 | On-grid, Off-grid | Omkareshwar Engineers | Opp Mandhania House, Nr Foukan Dairy, Laxmi Nagar, Kandivali (East) Mumbai, Maharashtra 400101 | +91 99690 87689 | https://omkareshwar-engineers.business.site | | |
| 22922 | On-grid, Off-grid | Omnipresent Energy Solutions Pvt. Ltd. | Sr No -57/54 Ram-vijay Azad Nagar, Wanowrie, Pune, Maharashtra 411022 | +91 9762 320007 | www.oessolar.in | | |
| 22923 | On-grid, Off-grid | Onix Structure Pvt. Ltd. | D-304, Imperial Height, Opp. Big Bazar, 150ft Ring Road, Rajkot-360005. (Gujarat) | +91 74 01424344 | onixstructure.in | RenewSys India Private Limited | |
| 22924 | On-grid, Off-grid | Omega Natural Polarity Pvt. Ltd. | #111, B Wing, 1st Floor, Bonanza Sahar Plaza Complex, M V Road, Andheri (East), Near Chakala ( J B Nagar Metro Station), Mumbai, Maharashtra 400 059 | +91 22 28321177 | www.onpsolar.com | | |
| 22925 | On-grid, Off-grid | Onshore Construction Company Pvt. Ltd. | 7th Floor ATL Corporate Park, Saki Vihar Road, Powai Mumbai 400 072 | +91 22 67140200 | www.onshoreconstruction.com | | |
| 22926 | On-grid, Off-grid | Oorja On Move Infra Pvt Ltd | 1067, Spaze IT Park, Tower B1, Sohna Road, Sector 49, Gurugram - 122002 | +91 124 4201742 | oomipl.weebly.com/ | | |
| 22927 | On-grid, Off-grid | Oorja Development Solutions Limited | | | www.oorjasolutions.org | | |
| 22928 | On-grid, Off-grid | Oriana Power Pvt Ltd | C-66, Sector 2, Noida (UP) -201301 | +91 97174 65556 | www.orianapower.com | | |
| 22929 | On-grid, Off-grid | Optimal Power Synergy India Pvt Ltd | Module, FR 04, 05, 06, Shilpangan 1 LB1, Sector III, Salt Lake City, Kolkata 700 098 | +91 33 23354847 | www.ops-india.com | | |
| 22930 | On-grid, Off-grid | Ora Infini | 33/4/1, Saharanpur Road, Backside of Paras Palace, Dehradun - 248001, Uttarakhand | +91 7017075601 | orainfini.com | | |
| 22931 | On-grid, Off-grid | Orangecity Solarsys Enterprises Pvt. Ltd. | H. No.1158, Reshimbag, Nagpur, 440009 | +91 8793958049 | www.orangecitysolar.com | | |
| 22932 | On-grid, Off-grid | Orb Energy Pvt Ltd | 95, Digital Park Road, 2nd Stage, Yeshwanthpur, Bengaluru, Karnataka 560022 | +91 99005 20505 | www.orbenergy.com | | |
| 22933 | On-grid, Off-grid | Orbit Techsol | 210 Hemkunt Chambers 89, Nehru Place New Delhi 110019 | +91 97111 17394 | orbittechsol.co.in | | |
| 22934 | On-grid, Off-grid | Orchij Energy Pvt. Ltd. | Office No 5, BG Sankul, Sector 7, MIDC Bhosari Pune, Maharashtra 411026 | +91 86005 66635 | orchijenergy.business.site | | |
| 22935 | On-grid, Off-grid | Oriana Solar & Electricals | 22, Plot No.5, Jagat Enclave, Lokmanya Nagar, Thane West, Thane, Maharashtra 400606 | +91 8080 840808 | orianasolar.wixsite.com | | |
| 22936 | On-grid, Off-grid | Oriano Clean Energy Pvt. Ltd. | EL-38, MIDC Electronics Zone, Mahape, Navi Mumbai, 400710 | +91 96 19571288 | www.oriano.com | | |
| 22937 | On-grid, Off-grid | Origin Renewables Pvt. Ltd | | | originrenew.com | | |
| 22938 | On-grid, Off-grid | Oryx Solar Energy | 80/1, Laxmi Nagar, Walhekarwadi, Sector No. 32, Nigdi, Pimpri-Chinchwad, Maharashtra 411033 | +91 860 5072007 | www.oryxsolarenergy.com | Fimer S.p.A. | |
| 22939 | On-grid, Off-grid | Output Energy Solar System | Sr.No.72, A-1, Sahyari Colony, Adarsh Nagar, Dighi, Pune, Maharashtra 411015 | +91 95030 50121 | https://output-energy-solar-system.busines... | | |
| 22940 | On-grid, Off-grid | Oxor Electricals Pvt. Ltd. | B-2 N.B. Point, Nana Varachha, Surat, Gujarat - 395006 | +91 97260 06087 | oxorelectricals.com | | |
| 22941 | On-grid, Off-grid | P NRG Solutions | #56, JCS Complex, Kurnool, 518002 | +91 94910 02626 | https://pnrg.co.in | | |
| 22942 | On-grid, Off-grid | P2 Power Solutions | A-95, Sector-80, Noida - 201305 | +91 7011515761 | p2power.com | | |
| 22943 | On-grid, Off-grid | Pace Power Systems Pvt. Ltd. | Plot No V-12, Kumbalgodu, Industrial Estate, Bangalore – Mysore Highway, Bangalore – 560 074 | +91 80 28437792 | pacepowersystems.com | | |
| 22944 | On-grid, Off-grid | Pahal Solar | 323, Laxmi Enclave, Opp. Gajera School, Katargam, Surat-395004 | +91 9081613100 | Pahalsolar.com | | |
| 22945 | On-grid, Off-grid | Palani Andavar Solar | 3/210, Venkateshwara Complex, Coimbatore Road, Cheran Nagar, Pollachi-2 | +91 70107 78170 | palaniandavarsolar.com | | |
| 22946 | On-grid, Off-grid | Paluck Technologies (P) Ltd. | 261, JMD Megapolis, Sohna Road, Sector 48, Gurgaon, Haryana, 122018 | +91 124 4889400 | palucktechno.com | Ingeteam Power Technology Energy SA | |
| 22947 | On-grid, Off-grid | Panasonic Life Solutions India Pvt Ltd | 3rd Floor, B Wing, I Think Techno Campus, Pokhran Road No-2, Thane (West). Maharashtra - 400607. | +91 22 42228888 | www.lsin.panasonic.com | | |
| 22948 | On-grid, Off-grid | Parry Enterprises India Ltd. | 2 Dare House, N S C Bose Road, Chennai 600001 | +91 44 25306316 | www.peilsolar.com | | |
| 22949 | On-grid, Off-grid | Patira Energy Private Limited | Tajnapeth, Near Jain Mandir, Akola, Maharashtra 444001 | +91 92716 17770 | https://patiraenergy.business.site | | |
| 22950 | On-grid, Off-grid | Pavan Energy Systems | | +91 989090 1677 | pavanenergy.in | | |