The lists of tenants here is changing daily, due possibly to the easier traffic flow (helped by the new Duta–Ulu Klang Expressway (DUKE)), competitive rentals and accessibility between KL, Petaling Jaya and other suburbs.

Firms such as Texas Instruments, I & P, Right Balance Group, Fidin Universal, Tanjung and RB Helicopters all have their operational bases in Setiawangsa.

Incident: slope failure / fallen retainer wall The engineered slope holding up Puncak Setiawangsa which has been standing tall at 10–11 berms, totalling over 50m high, since the early 1990s failed dramatically at the 2200 hour on Friday, 28 December 2012.

Vegetation was removed and DBKL superficially cemented the wall to avoid further erosion and for aesthetic purpose.

SK Setiawangsa is classified as Top Performance School in Kuala Lumpur.