Inox Green Energy Services, Mitarsh Energy, Jakson Green, Inspire Clean Energy, and Sterling & Wilson emerged as the top solar project operations and maintenance (O&M) service providers in India for 2025, according to Mercom’s India Solar Market Leaderboard 2026 Report. Together, these companies accounted for approximately 86% of O&M capacity contracted in 2025, reflecting high market consolidation among leading players and highlighting the growing preference for experienced service providers capable of managing large, complex renewable energy projects.