- KCP Architects
- kcs caregiver
- KD Architects
- KD Interieur
- KD NAVIEN CO. LTD.
- KDB FURN
- KDDH
- K-Design
- k-division
- KDLN
- Ke Kelit Kunststoffwerk GMBH
- KE Protezioni Solari
- KE USA
- KEBE A/S
- Kebony
- KEC - Kretschmer Energie-Consulting GmbH
- Kedar
- KEDDY AB
- Kedrion
- Keen Concept Corporation sp.z o.o
- KEEN Graphic Design di Paradiso Stefano
- Keep Life
- Keeper Immobiliare
- KEF
- kefalos
- KEGIOM LIFTING DI GIOMBETTI FRANCESCO & C. SNC
- KEHA3
- Kei_en.enzocalabresedesignstudio
- Keigio Design
- Keiji Ashizawa Design
- Keikichi Yamauchi architect and associate
- KEIL Befestigungstechnik GmbH
- Keil Telecomd.
- Keilhauer
- KEIMFARBEN