This study focuses on analyzing and comparing the profitability of four major service lines at SIDVI Core Tech Pvt. Ltd.—FPSO (Floating Production Storage and Offloading), FLNG (Floating Liquefied Natural Gas), TMS (Turret Mooring System), and Onshore & Process Plant. The research assesses financial performance through key metrics such as revenue, cost structure, gross profit margin, and net profit margin to identify highperforming and underperforming service lines. Using financial ratio analysis and comparative evaluation, the study reveals that FPSO is the most profitable service line, contributing significantly to overall revenue and net margin, while FLNG and Onshore & Process Plant show moderate returns, and TMS demonstrates scope for improvement. The study concludes with strategic recommendations to enhance underperforming divisions through cost optimization, improved employee utilization, and better resource allocation.