Rowmark Announces Acquisition of Johnson Plastics

San Mateo, CA and Findlay, OH, June 4, 2015 – Rowmark LLC (“Rowmark”), a portfolio company of Bertram Capital and a leading manufacturer and marketer of engravable plastic sheet materials, announced that it has purchased Johnson Plastics effective June 1, 2015. Headquartered in Minneapolis, MN, Johnson Plastics is a leading distributor of engravable sheet materials, sublimation products and related accessories operating a national footprint of nine regional sales and distribution offices. The transaction builds upon the more than 30 year partnership between Johnson Plastics and Rowmark.

“Johnson Plastics and Rowmark have enjoyed a mutually respectful distributor/manufacturer relationship for many years. We have benefited from each other’s market experience, and as a result, customers have come to expect world class products and service from both organizations. By combining our resources and streamlining our operations, we can continue to deliver high quality products in effective means to meet the market demands,” stated Mike Johnson, Johnson Plastics President.

“We are very excited to expand Rowmark’s market footprint through the acquisition of Johnson Plastics,” said Kevin Yamashita, Partner at Bertram Capital. “Johnson Plastics has built a strong market presence and we are thrilled to have the opportunity to add the team to the Rowmark fold. The acquisition will improve Rowmark’s ability to serve the signage and personalization market and support the growth of its distributor channel. Bertram remains committed to driving growth of the Rowmark platform through organic initiatives and additional add-on acquisitions.”

“Rowmark will continue to support and strengthen its distribution channel with high quality product lines and customer service,” said Duane Jebbett, Rowmark President and CEO. “Our network of global distributors will continue to be an effective and reliable source for high quality products as well as outstanding customer service and delivery for our customers.” 


About Rowmark

Founded in 1987, Rowmark is a leading manufacturer of extruded sheet materials servicing the engraving and custom decorative markets. The company’s products include a comprehensive portfolio of materials ideally suited for signage and other laser, engraving and digital print applications. Visit for more information.

About Johnson Plastics

Johnson Plastics is a leading distributor of engravable sheet materials, sublimation products and related accessories for more than 30 years. Johnson Plastics is headquartered in Minneapolis, MN with nine branch locations throughout the U.S. Visit for more information.

About Bertram Capital

With over $850 million in capital under management, Bertram Capital is a private equity firm targeting investments in lower middle market companies.  By supplying flexible investment capital and committing a wealth of operational and strategic resources to each investment, we make it our core objective to move companies, management teams, and employees toward unlocking their full potential. Visit for more information.


David Hellier

Bertram Capital

(650) 358-5000