Haydn Studio Pte Ltd (Singapore)

Haydn 3D Design(Singapore)

Hawfinchsparrow.com (Singapore)

Haydn Studio X Sitra Design(Vietnam)

Orbitour Pte. Ltd. (Smart Home System Singapore)  - sitandtap.com

Sohaisohai(Vietnam) sohaisohai.com

Sitra Trading Co. Ltd(Vietnam) poecofan.com.vn

Haydn Studio(Cambodia) - (coming soon)