Membrane Structure Solutions, Inc.: Offering all three types of fabric structures: air supported, frame supported and tensile structures.

Structure Tone Inc.: Provides project management, construction management and general contracting services .Career opportunities, locations and links to industry resources .

eco-structure: Eight times a year magazine about sustainable building and products that is free to members of the architectural and building industry. Includes archives, searchable product database, and a job and architect finder. An on-line version of the magazine is also available.

Structure Tone, Inc.: General contractors and construction managers.

Flex Membrane International: Manufactures thermoplastic single ply roofing systems based on DuPont's Elvaloy® ketone ethylene ester formula.

Membrane Steel Engineering Inc. (MSEI): Specializes in tensioned structure engineering.

EMI. European Membrane Institute Twente: The Netherlands. Science institute of the Membrane Technology Group in the University of Twente, involved in short-term contract research and development projects in membrane science and technology.

Ningbo Shanquan Building (Membrane) Materials Co., Ltd: Manufacturer of roofing membrane, breathable membrane, roofing foil, and house membrane in China.

Tensys Lightweight Fabric Structure Analysis and Engineering: Engineering analysis and design consultants specialising in lightweight stressed fabric structures based in Melbourne, Australia.

4D SOLUTIONS: Integrated terrain modeling and civil works software package used in surveying, land subdivisions, drainage, earth moving, landscape design, mapping and mining applications.