Final answer:
The manufacturer of chemicals for the international pharmaceutical industry has the highest market dependence.
Step-by-step explanation:
The organization with the highest market dependence among the given options is the manufacturer of chemicals for the international pharmaceutical industry (option b). This is because the pharmaceutical industry is highly competitive and dependent on global markets. The demand for pharmaceutical products is not limited to a specific region, and companies in this industry often rely heavily on international sales and partnerships to succeed.