ECO Management, Inc.: Complete landscaping services and turf maintenance.Minick Materials Company: Landscape material including soil, sand, flagstone, boulders, mulch and decorative stones. Includes company profile, events and photos of the materials used at the OKC National Memorial.Satterlee Landscape Nursery: Lists suggested trees, bedding plants, water plants, shrubs and perennials, designs, seminars, accessories, greenhouse information and staff descriptions.Treeservicesokla.com: Offering tree removal service and topsoil. Includes e-mail link, topsoil pricing, pruning tips, information on landscape beautification and water features.