Founded in 1920, Keystone Aniline is dedicated to providing innovative, cost-effective quality dyes and specialty pigments to a broad range of customers throughout the United States and the world. Color is its only business and its operating philosophy is simple provide the highest degree of technical expertise, customer service and prompt delivery at the most competitive prices possible. This philosophy has served Keystone customers well for 80 years and will remain its major commitment for the next century.