Blackdown Horticultural Consultants: Design, supply and installation of green roof systems. Includes concept and design, portfolio, and benefits. United Kingdom.
Eco-Roof Systems: Company offering intensive and extensive systems. Includes benefits, considerations, issues, construction, cost analysis, and case studies.
Elevated Landscape Technologies Inc.: Offers a pregrown modular green roof system, design and consultation services, installations, project management, and maintenance. Includes projects and funding sources in Canada.
Emory Knoll Farms: Supplier of green roof plants. Includes FAQ, research, projects, and links.
Green Roof Blocks: Offers self contained, portable units for completed roofs or to ballast single ply roofing systems.
GreenGrid: Green roof system for industrial, commercial and government facilities. Includes product specifications, FAQ, and completed projects.
Roofscapes, Inc.: Roofmeadow vegetated roof covers and roof leak survey and detection services. Includes benefits, projects, and links.
ZinCo: Develops and builds intensive and extensive green roof systems. Includes project portfolio. [German/English/French]