Foreign firms or institutions

• Architen Landrell:Tensile fabric structures, beautifully engineered
• Birdair: Tensioned membrane and lightweight structures. USA
• Eichenhofer: Production Facilities PTFE – ETFE, Germany
• Estran: Transformable structures. Venezuela
• Fabric Architecture: Sam Armijos, AIA
• Exclusive Tents: Alternative Living and Resort Tents.
• FabricArchitect: Architecture Fabric Structures (Images, Blog, FAQ…)
• FabriTec Structures: Tension Fabric Structures Design
• Fiab HF:  High frequency welders for any demand.
• FormTL: Ingenieure für tragwerk und leichtbau gmbh
• Forsstrom: High frequency welders for PVC and PU, Sweden.
• ArtEngineering: (GreinerEngineering) is concerned with the realization of art objects, Germany
• Sl-Rasch: Special and lightweight structures
• Herculite: Fabric company specializing in high performance laminated & coated fabrics
• Membranes-24: Online form finding of membrane structures
• Mehler: Membranes and fabrics for membrane roofing, parking place roofing, work tents …
• Naizil: Manufacturer of composite textiles and membranes. Italy, Canada
• Officium: Design Engineering GMBH
• Onart: Membrane and Shell Structures, Turkey.
• Red Sky Shelters: Shelters
• Serge Ferrari: Manufacturer of composite textiles and membranes, France
• Solar Tension:  Lightweight photovoltaic construction
• technet GmbH: Lightweight Structure Design, Germany
• Tension Structures: Division of Eide Industries, Inc. provides solutions for architects, designers & general contractors
• Verseidag: Coating and Composite Technology for Membranes, Germany

Cables, bars and fittings

• Carl Stahl: Stainless steel cables and meshes
• Crosby: Cables and fittings. USA
• Halfen-Deha:  Production and Sales of Fixing Systems for the Construction Industry. Germany
• Jackob: Cables
• McAlloy: Design, manufacture and supply of threaded bar system. U.K.
• Pfeiffer: Cable structures. Rope, anchoring and lifting systems. Germany
• Silur: Biggest manufacturer of steel ropes and wire for different branches of industry
• Tensile Cables:  Architectural and Structural Cable Systems
• Van Beest: Fittings for chain and steel wire rope.

Associations and publications

• IFAI: Industrial Fabrics Association International
• fabric Architecture: IFAI Magazine on fabric architecture
• Fstructures.com: Online fabric structures community
• TensiNet: The Communication Network for Tensile Structures in Europe. Belgium
• Editorial EspaZio: Spanish portal for tensile architecture

Spanish firms or institutions

• Aciarium: Cables, wire ropes and stainless steel fittings
• Àrea cúbica: Tensioned membrane and lightweight structures.
• Arquitectura Textil, S.L.: Tensioned membrane and lightweight structures.
• Cyesa: Cables & Slings
• BCN Tents: Tensioned membrane and lightweight structures.
• Comercial Marítima: Fabric Architecture.
• Cubiertas y toldos: Tensioned membrane and lightweight structures.
• IASO: Tensioned membrane and lightweight structures.
• Igena: Cables, wire ropes, turnbuckles and stainless steel fittings.
• Inducable: Accessories for steel ropes.
• Industrias BEC, S.A.: Tensioned membrane and lightweight structures.
• Jaton-Ribes: PVC coated fabrics distribution & manufacturing.
• T&P, Arquitectura i Construcció Tèxtil: Tensioned membrane and lightweight structures.
• Tecnodimension:  Pneumatics for children, publishing and tensile structures.
• Tenso Cables, S.A: Steel cables.
• Tycsa PSC:  High-resistance steel cables.
• Sodeca: Ventilators.
  Soler & Palau: Ventilators.
• Prof. J.I. LLorens (UPC): Details data bank
• Tecnun: Campus Tecnológico de la Universidad de Navarra

Others

• Corocord: Constructions made of rope and membranes.
• Dynat: Slide fasteners and multi-purpose zippers
• ITKE: Institute of Building Structures and Structural Design

Wikipedia

• Programari informàtic de càlcul i disseny d’estructures tesades
  (page created by Joan Melo, student of this subject, 2009)