- Polyglass - Offers waterproofing membranes, insulating systems.
- PSP Engineering - European building material company that supplies equipment and plants for the building material and mineral processing industries.
- quick-mix - Offers thermal isolation, plaster, dry mortar, construction chemicals and trass products.
- Recer - Providing a dynamic and comprehensive service to the building and home restoration.
- Rector - Industrial specialist in the manufacture of prestressed and reinforced concrete floor elements, and more.
- Resistance Welding Software - Welding simulation software and service for design and optimization of spot welding, projection welding, butt welding etc.
- Safety-Kleen. - Specialized in parts-cleaning, spraygun, cleaning and industrial waste collection services.
- Saint Gobain - Saint-Gobain produces various building materials Insulating materials with the brand Isover, and more.
- Salmon & Cia. Lda. - Salmon & Cia. is a company that one can define as a supplier of raw materials and equipment to industry.
- Sas - Specialized in building and gardening materials.
- Schomburg - For ready to use building product systems for waterproofing, building repair, tile laying and industrial floor coatings.
- Sibelco Hispania - Sibelco Minerales offer products such as glass, porcelain, paint, cement and many more.
- Sibelco Nordic - Present a leading industrial minerals producer, supplier to glass and ceramic industries around the world.
- Sirofin - A mechanical sliding doors company based in Galatsi, Greece.
- Skv - Specialized in natural construction and building materials.
- Sound Reduction Systems Ltd. - Manufacturers of sound insulation and sound absorption materials for use within buildings.
- Spal - Specialized in manufacturing, and distrbutes fine porcelain dinnerware for both domestic and catering purposes.
- Spirax Sarco - Provide knowledge, services and products for steam heating and more.
- Sprefix - Spray on insulation - spray material for sound absorption, moisture and condensation control, fire protection, and thermal insulation.
- Steico - Specialized in roof, wall, ceiling, floor.
- Sterchele SpA - Offers products & materials for the construction sector, from materials for frames to finishing products for any type of building.
- Titan - Specialized in oxides of calcium, silicon, aluminum and iron, and more.
- Tremco Global Sealants - Suppliers of sealant,weatherproofing, residential waterproofing & passive fire control solutions for commercial and residential.
- United Composites B.V. - United Composites is specialized in fire retardant composites for the building industry, for interior and exterior application. We support from "Design up to Build".
- United Swiss Salt Works - Offer table salt, water softener salt, agricultural salt, de-icing salt, pharmaceutical salt, bathing salt and brine.
- Vimaplás - The beginning of Vimaplás is associated to the appearance of Fibreglass meshes in Portugal.
- Vistaalegre - Offers tableware, giftware, cookware, hotelware.
- W. l. Gore & Associates, Inc. - Creates next generation cable assemblies and components for the electronics industry.
- Wade - Manufacture porcelain flagons for the spirits industry mainly chivas, bells, tullamore dew and more.
- Weser - Provides modular blocks, paving & pool copings, and more.
- Wickes Building Supplies - Wickes is one of the country’s largest retailers of DIY products and building supplies for tradesmen and DIY enthusiasts.