Exhibition Hall: It has a total area of 287.91 sq.m. and can seat upto 350 persons. It is fitted with an overhead projector, microphones, a 35mm film projector, a video record player and a 28-inch television, 13 ampere power sockets under the carpet and on the walls, and 14 tables.
This hall can be used for holding exhibitions of various types, annual general meetings of the companies, reception and other parties.

Main Conference Hall: It has a seating capacity of 120 persons and extra chairs can be accommodated if necessary. 
It is fitted with an overhead projector, microphones, a 35mm film projector, a 16 mm film projector, a video and 28-inch television (PAL system) and a simultaneous interpretation system. This hall is ideal for holding seminars, lectures, conferences, graduation ceremonies, training courses, etc.

Businessmen Lounge: This lounge which can accommodate 150 persons is fitted with video and TV sets and has a games hall. Reception meetings are held here for visiting trade delegations. OCCI holds luncheons and other ceremonies in this lounge. It is also ideal for holding marriage and birthday parties.

All the above facilities are available on payment of a rent of RO 100/- per day in advance. For further details and reservation, the Public Relations Department can be contacted on Tel: 24701698.

Administration Hall: This hall situated on the 4th floor of OCCI building can seat upto 22 persons.

Meeting Hall (3rd floor): This hall situated on the 3rd floor of OCCI building can seat upto 45 persons and is fitted with microphones, simultaneous interpretation system, video and 28-inch TV set. This hall can be used for holding General Assembly meetings, specialised committees and visiting business delegation meetings.

Executive Hall: This hall situated on the 4th floor of OCCI building can seat upto 12 persons.