• Bjercke og EliassenArchitecture Office
• A. L. HøyerEngineering Company
• Johan Olsen & SønnerEntrepreneur
• Harry Due & SønEntrepreneur
• Oras–Oslo Rørleggerbedrift A/SEntrepreneur
• Den Ankerske MarmorforretningManufacturer
• Witt & Borgen A/SManufacturer
• Proton A/SEntrepreneur
• Electrisk Bureau A/SManufacturer
• Einar Asvig A/SEntrepreneur
• Brødrene ThorsenEntrepreneur
• A. HalvorsenEntrepreneur
• Fjeldhammer Brug A/SManufacturer
• Nordiske Destillationverker A/SManufacturer
• Christiani & Nielsen, Norsk A/SManufacturer
• Thiis & Co. A/SEntrepreneur
• Thomassen og OrmestadEntrepreneur
• Magnus A. BoltvigEntrepreneur
• Wilhelm KroghManufacturer
• Oddvar LandEntrepreneurManufacturer
• Arnesen & Wagle A/SManufacturerEntrepreneur
• Wilhelm LundEntrepreneur
• Berger BergersenEntrepreneur
• Heyerdahl & GeddeEntrepreneur
• Sverre Magnussøn & Co. A/SEntrepreneurManufacturer
• Erling Larsen A/SManufacturer
• Fredrikstad Jern & Metallindustri A/SManufacturer
• Oscar C. RudEntrepreneur
• Johan Fr. MonradEntrepreneur
• Hiorth & Østlyngen A/SManufacturer
• Huseby & Co. A/SManufacturer
• Rasmusson & Hansen A/SEntrepreneurManufacturerVendor
• Fossum TrevarefabrikkManufacturer
• Erik Ruuds Mek. Verksted Manufacturer
• Trygve E. HansenEntrepreneurManufacturer
• Christiania GlasmagasinEntrepreneurStore
• SønnicoManufacturer
• Stål og StilManufacturer
• Moderne KjøkkenManufacturer
• Eck A/SManufacturer
• Ingeniørene Nissen og von KroghEngineering Company
• Borgen & Conradi
• Ole N. Ruuds Møbelfabrikk A/SManufacturerVendor
• Titan Metallverksted A/SVendorManufacturer
• Glassmester Finn Hansen a.sManufacturer
• Norsk ArbeidsgiverforeningAssociation
• Mekaniske Verksteders Landsforening

Structural system

• Cast-in-place

Values

• Pedagogical
• Architectural
• Use
• Age
• Symbolic
• Authentic
• Uniqueness

Listing status

• Vernet etter PBL
• Kommunalt Listeført

Alterations