Shamrock Chicago Corporation is a family owned business, started by John F. Deamer in 1974 to sell automotive products and other chemicals. The company is still run by the family today with Nancy Deamer LoBue as President, and after growing significantly during the tenure of John F. Deamer Jr. as President for over 20 years. Sales and service have been words to live by for the Shamrock and Deamer Family for almost fifty years and continue today with our Chief Operating Officer, Laurie Teska, National Sales, Les Kriefels, Customer Service & Logistics, John F. Deamer III. We welcome you to become part of our network and please contact us with any questions.