ATTOCK REFINERY LIMITED 0 ATTOCK PETROLEUM LTD 0 BURSHANE LPG (PAK) LIMITED(FORMERLY SGLL) 0 BYCO PETROLEUM LIMITED 0 MARI PETROLEUM COMPANY LIMITED 0 NATIONAL REFINERY LTD. 0 OIL & GAS DEVELOPMENT COMPANY LIMITED 0 PAKISTAN OILFIELDS LTD. 0 PAK PETROLEUM LTD. 0 PAKISTAN REFINERY LIMITED 0 PAKISTAN STATE OIL COMPANY LTD. 0 SHELL GAS LPG 0 SHELL PAKISTAN LTD 0 AGRITECH LIMITED 0 BAWANY AIR PRODUCT LIMITED 0 BIAFO INDUSTRIES LIMITED 0 BOC (PAK) LTD. 0 Archroma Pakistan Limited 0 DAWOOD HERCULES CORPORATION LIMITED 0 DESCON CHEMCIALS LIMITED 0 DESCON OXYCHEM LIMITED 0 DEWAN SALMAN FIBRE LIMITED 0 DYNEA PAKISTAN 0 ENGRO CORPORATION LIMITED 0 ENGRO POLYMER & CHEMICALS LIMITED 0 FATIMA FERTILIZER COMPANY LIMITED 0 FAUJI FERTILIZER BIN QASIM 0 FAUJI FERTILIZER COMPANY LTD. 0 GATRON INDUSTRIES LIMITED 0 GHANI GASES LIMITED 0