Since 1967, Beaver Plastics has been producing high-performance, engineered plastic products. Our products are used in the horticulture, silviculture, construction and packaging industries. With innovative ideas we pioneered manufacturing growing trays: Styroblocks, Hortiblocks, Rootrainers, Plugblocks and FlowTrays. Our industry standard growing containers and trays produce billions of seedlings annually throughout the world. Proven and tried, our growing systems are robust, reusable and recyclable. Manufactured with expanded polystyrene (EPS), High Impact Polystyrene (HIPS), Polypropylene (PP) and Acrylonitrile Butadiene Styrene (ABS), our expert growing systems are made to match your needs. If you are looking for specific requirements our experts are ready to suggest a product design within your specifications. Styroblock containers are ideal for tree seedling production and landscape tree production. Turn to Hortiblock trays for vegetable seedling production. Put Rootrainer books to use with native species and laboratory seedling production. Plugblock trays are ideal for floral and vegetable production, while our FlowTray sets the standard for sub-irrigation trays.