This report provides an in-depth analysis of ethical challenges within international supply chains, focusing on three major global corporations: Nestle, KPR Mills, and Pfizer. The report begins with an overview of globalization and international supply chains, emphasizing the complexities and ethical considerations involved. Chapter One examines Nestle's supply chain, highlighting issues such as child labor in cocoa production, unethical marketing strategies, and deforestation related to palm oil plantations. Chapter Two shifts its focus to KPR Mills, exploring ethical issues within its supply chain, including environmental concerns, unethical workforce behavior, and company culture. Chapter Three delves into the ethical challenges faced by Pfizer Pharmaceutical, discussing unethical approval procedures for clinical trials, unethical withdrawal from patent agreements, and overpricing of drugs. The report concludes with a discussion of the findings, offering recommendations for each company to improve its ethical practices and enhance its global supply chain management.