This report explores how companies are using multicultural marketing to authentically engage an increasingly diverse U.S. population—now more than 40% Hispanic, Black, Asian, Native American, and multiracial. It highlights how Employee Resource Groups (ERGs) serve as powerful partners in shaping campaigns that reflect real cultural insight and strengthen brand trust. Case studies from Liberty Mutual, Bank of America, Horizon Blue Cross Blue Shield, Freddie Mac, and State Farm show measurable business results from culturally informed marketing. Use this guide to see how aligning DEI strategy with marketing efforts can expand reach, boost engagement, and drive both inclusion and growth.