- J & D costruzioni... - J. Marino Pascual...
- J. MAYER H. Architects - J+S
- Ja - JACKY.W DESIGN (JWD)
- Jaco Booyens Architect - Jacques Bathrooms
- Jacques Ferrier... - Jäger Gummi und...
- JagerJanssen architects... - Jakob + MacFarlane...
- Jakob Gomez Studio - James Hare
- James Law Cybertecture... - Jan Kath Design
- Jan Luppes Interieurs - Jankó Ablak
- Jann-Air - Januaproject Studio...
- janus energy - JAPAR
- JAPE S.A.R.L. - Jardin Passions...
- JardinChic - jason cole
- Jasper Conran design - Javier Senosiain...
- JAVORINA - jcasa
- JCB - Jean Ever Enterprise...
- Jean Moncrieff Bespoke... - JEC Composites Innovation...
- JECO - JEM Scrl
- JEMA ENERGY S.A. - Jens Otten Produktdesign
- Jensen Architects - jesi
- JESPEN S.R.O. - JETRO Japan External...
- Jet-stone - Jiadele Solar Energy
- Jiakun Architects - Jiangsu Sunpower...
- Jiangsu Tievol Solar... - JIGA Arquitectura
- Jill Porter Architect - Jirui industrial...
- JIS (Europe) Ltd - JLH ACCESORIOS SANITARIOS...
- JM ARCHITECTURE - JMV RESORT architectes
- JND SOLAR - Joao Andrade e Silva
- João Armentano Studio - Jobiz Formazione
- JOBS REVOLUTION... - JoeyforLife Co.,...
- JOFRE ROCA TALLER... - John Eadon
- John Eric Byers - Johs. von Ehren...
- JOI-DESIGN - Jola Spezialschalter...
- Joli - Jolson Architecture...
- Joly&Loiret - JongForm
- Jonica Impianti - Jordi Font Arquitectura
- Jordi Ginabreda... - Jori
- jori - José Simões Neves...
- Josef Hain GmbH... - Jouin Manku
- Journey East - JPG.ARQ
- JPS Atelier - JSA Jensen & Skodvin
- JSC "ENSO PROJECTS" - JTECK SRL
- JTH Lighting - Des... - Juhls Bolighus
- Juju Papers - Julliana Camargo...
- Julucas Bistro Cafe - June14 Meyer-Grohbrügge&Chermayeff
- Jung Architectures - Jurchen Technology
- Jürgen Schwerter - juvant costruzioni...
- Juvenis - Jysk indretning...