Oil & Natural Gas Commission - Mumbai
ONIDA - Mumbai
OPTEL Telecommunications Ltd - Bhopal
Orissa Small Industrial Corporation - Bhubaneswar

Park Controls
Prasad Productions - Madras/Hyderabad/Bangalore
Punjab Wireless Systems Ltd (Punewire) - Chandigarh

SAMEER - Mumbai
SHAR Centre - Sriharikota
South Central Railway
Space Applications Centre (SAC) - Ahmedabad
STP - Hyderabad
Subhash Ghai - Mukta Arts (Mumbai)
SUN TV
Super Cassette Industries - Mumbai