Hanover. The company’s 4x9 permeable pavers allow water to penetrate into the soil, reducing stormwater runoff. The pavers, which are ADA-compliant for minimal openings, measure 4?5/8 inches by 9?1/14 inches by 3 inches thick, feature a 1/16-inch bevel and hidden spacers, and can support heavy low-speed vehicular loads. They are available in all of the company’s colors and in several textures. 800.426.4242. www.hanoverpavers.com.