Established in 1950, Callenor Company Inc. is one of the leaders in manufacturing of paper tubes, paper cores, display poles, mailing tubes, shipping tubes and packaging containers. Based in Michigan, the company offers white litho, stock colors, foils and PMS color wrapped tubes. It supplies millions of paper cores for the tape and label industry. Callenor Company Inc. ships display poles across the United States for a wide variety of projects and applications. The company is one of the major supplier of paper tubes and collars for the steel bar industry.