Landmark Plastic Corporation is a manufacturer of plastic thermoformed and injection molded horticultural plant packaging and growing systems. The company operates from a more than 200,000-square-foot manufacturing facility. Landmark sells one of the most extensive lines of thermoformed and injection molded plant packaging in the industry. Its products are distributed in the floriculture industry throughout the United States, Canada and various other countries. Landmark Plastic Corporation is based in Akron, Ohio.