You can combine elements to create your own office configuration.
In psd file all parts on separate layers.
Set contain:
5 elements of wall,
4 partition walls,
14 elements of furniture,
12 elements of hardware,
6 elements of flora, 23 elements of office stuff, 19 kind of people,
floor tile and white cat.
All of this parts are shown on preview image.
Added png files and Preview image in layered psd file.