O.I.I.C. stocks are in Stock Exchange Market and Rey Corp. owns 35% of the shares. This company has more than one decade of experience in very diversified economic field. The company has focused particularly on gas, oil and oil related industries. Company s activities cover both levels of oil industry; upstream as well as downstream. These activities include design, engineering, production and services.The subsidiary companies are as follows:

COMMERCIAL GROUP:

NIK NAFT COMMERCIAL CO.
KISH PETROCAM CO.
ATLAS TARABAR INTERNATIONAL TRANSPORT CO.
NAFT YAB CO.

CHEMICAL GROUP:

BESPAR AFRAND CO.
PEHPAD OIL INDUSTRY CO.
KISH PARS PLAN CO.
JUYGOSTAR CO.
NAFT GOSTAR CHEMICAL CO.

UPSTREAMS OIL INDUSTRIES GROUP:

NAFTGARAN ENGINEERING SERVICES CO.

INDUSTRIAL PRODUCTION AND ENGINEERING GROUP:

RAH GOSTAR CO.
QESHM MARINE OIL INDUSTRY CO.
IRAN ROOY GOSTAR CO.
SOHEIL SANAT GOSTAR CO.
OWDJ FUEL AND AIRPORT SERVICES CO.
NAFT GOSTAR PLANS MANAGEMENT AND PLANS EXECUTION CO.