Employee welfare measures are among the most critical instruments organizations use to cultivate a motivated, productive, and loyal workforce. This study examines the relationship between employee welfare measures and job satisfaction at Dong Woo Surface Tech (India) Pvt. Ltd., a medium-sized industrial manufacturing firm based in Thiruvallur District, Tamil Nadu. The study adopts a descriptive research design and collects data from 50 respondents using a structured questionnaire. Statistical tools such as percentage analysis, chi-square test, and weighted average method are employed to analyze the data. The findings indicate that welfare measures including safe working environments, canteen facilities, transport, medical benefits, insurance, and rest breaks significantly influence employee satisfaction. The study concludes that well-designed welfare programs are strategic investments that yield measurable improvements in satisfaction, morale, retention, and organizational performance.