Techrep Marketing, 33488 Liberty Pkwy, North Ridgeville, OH 44039, US

Established in 1982, The Shamrock Companies is a privately held company that offers marketing communications and project management services. The company has branch offices in more than 15 locations throughout the United States. It serves a wide variety of industries that include chemical, pharmaceutical, telecommunications and communications, retail, petroleum, and food and beverage. The company s clients include Sovereign Packaging, The Cleveland Clinic, Archstone Smith, Oberthur and American Greetings. The Shamrock Companies offers a wide range of services that include advertising, data management and information technology services. Additionally, the company offers design, packaging, printing, Web site development and fulfillment services. The Shamrock Companies is located in Cleveland.