NACWL is the first name in the design, installation, manufacture and maintenance of specialist curtain walling, cladding, building envelope and glazing systems in the UK.

Manufacturers and Installers of PVCu Windows and Doors ,Composite and Fire Doors and Conservatories to the Retail , Trade and Commercial Sector . We also install our products into large scale local Authority and Public Sector Projects.

Founded in 1872 and still family run, Neuffer has continued to blend German craftsmanship and quality with modern technology to supply the finest European windows for residential and commercial projects worldwide.

Replacement double glazing specialists with solutions for those looking for quality uPVC and aluminium windows and doors.

A high-tech and specialized company, Nobento Spa has flourished in the industry as a frame of reference of excellence in its national territory and abroad. Specialties: Technological production, Design, and sales & after sales of innovative windows and doors.

NorDan UK Ltd supply high performance timber and aluminium clad timber windows and doors to the UK direct from NorDan factories in Norway, Sweden and Poland. Established in 1981, NorDan UK has a number of regional UK offices, better equipped to provide a local response.

The North American Contractor Certification (NACC) Program recognizes contractors who demonstrate consistency, quality, and safety excellence.

Novagard is a leading-edge silicone, hybrid, and foam company providing products for building construction professionals in the siding, window, and door industry for over 35 years.

Ocean Glass is a family run business that was established by the owner in 2010. With over 30 years in the glazing and window business and a passion for good old fashioned customer service, we have built a reputation for being reliable and offering a great service.

ODL supply premium quality door and window glass solutions Worldwide . Our primary product is privacy glass for residential and commercial projects. Double glazed integrated blinds (blinds between glass) for doors and windows, decorative double and single glazed units, switchable and textured glass.

Oknoplast is a Polish multinational company established in 1994 in Kraków that manufactures PVC windows, window components, doors, aluminium products and roller shutters.

Oncall Window Glass Replacement are glaziers in Sydney. We understand that when a window is broken, it can be a real emergency. That's why we provide 24/7 service for our customers in Sydney. We'll have someone at your door to fix the problem as soon as possible.

Onsite 7 is for any business within the Trade, Construction or Fenestration sectors.

Software for the best windows, doors and curtain walls LogiKal by Orgadata. Our core product LogiKal is the world’s most widely distributed fenestration software providing solutions for the estimation, construction and fabrication of doors, windows and curtain walls of all sizes.

Using the latest CNC cutting and machining equipment, combined with our AutoCAD design experience and expertise, we produce high quality windows, doors and curtain wall products, including our new fire-rated aluminium system.