Internorm is a strong, established family business. From the first uPVC window to the production of timber-aluminium windows and today's high-performance triple glazed windows and doors, Internorm has been setting the standard within the window industry since 1931. In-house research development teams continously strive to further improve and innovate, which has made Internorm the leading brand that it is today.

• Over 90 years of Internorm
  Internorm has been a family business for more than 90 years and has developed from a one-man locksmith's to the largest internationally active window brand.

• 29 million window and door units produced
  More than 29 million of window and door units have left our manufacturing sites in Traun, Sarleinsbach and Lannach, Austria.

• 100 % made in Austria
  We are manufacturing exclusively in Austria and are proud of our product quality. Every window or door is unique.

• Over 2100 employees
  Our employees are specialists in their field. Outstanding quality is the result of our passion.

• 1300 distribution partners in 21 countries
  Our high-quality products are exclusively sold via selected distribution partners who guarantee high service competence.
  

• Over 90 years of experience

• Leading European brand, backed by strong family values

• Three high-tech manufacturing sites in Austria

• In-house research and development, focused on design, quality and innovation

• Leading window manufacturer for Passivhaus projects