Full Corporate Member
| NO |
COMPANY |
MEMBERSHIP NO |
| 1 | ExxonMobil (M) Sdn Bhd | 1005 |
| 2 | Gas Malaysia Berhad | 1006 |
| 3 | Hess Exploration & Production Malaysia B.V. | 1009 |
| 4 | Malaysia LNG Sdn Bhd | 1007 |
| 5 | Murphy Sarawak Oil Company Limited | 1010 |
| 6 | Petroliam Nasional Berhad | 1001 |
| 7 | PETRONAS Gas Berhad | 1003 |
| 8 | Sabah Energy Corporation Sdn Bhd | 1008 |
| 9 | Shell Malaysia Limited | 1002 |
| 10 | PETRONAS Carigali Sdn Bhd | 1011 |
| 11 | ConocoPhillips Asia Pacific Sdn Bhd | 1012 |
| 12 | Repsol Oil & Gas Malaysia Limited | 1013 |
Ordinary Corporate Member
| NO |
COMPANY |
MEMBERSHIP NO |
| 1 | ABB Malaysia Sdn Bhd | 3001 |
| 2 | Accenture Solutions Sdn Bhd | 3180 |
| 3 | Advanced Isolation and Testing Services Sdn Bhd | 3216 |
| 4 | AIMS Data Centre Sdn Bhd | 3209 |
| 5 | Aker Solutions Malaysia Sdn Bhd | 3042 |
| 6 | Aqeel Engineering & Construction Sdn Bhd | 3130 |
| 7 | ASEAN Bintulu Fertiliser Sdn Bhd | 3004 |
| 8 | Asergy Sdn Bhd | 3213 |
| 9 | Bintulu Port Berhad | 3006 |
| 10 | Borneo SeaOffshore Sdn Bhd | 3182 |
| 11 | Bumi Armada Berhad | 3203 |
| 12 | Bumi Wangsa Sdn Bhd | 3163 |
| 13 | Carigali-Hess Operating Company Sdn Bhd | 3007 |
| 14 | Cekap Technical Services Sdn Bhd | 3128 |
| 15 | Centre For Strategic Engagement Sdn Bhd | 3205 |
| 16 | Deleum Berhad | 3010 |
| 17 | Deloitte Consulting (SEA) Sdn Bhd | 3185 |
| 18 | DNV GL Malaysia Sdn Bhd | 3011 |
| 19 | Dialog Group Berhad | 3012 |
| 20 | Diamond Gas Holding Sdn Bhd | 3013 |
| 21 | Dagang Nexchange Berhad | 3215 |
| 22 | Duta Klasik Sdn Bhd | 3169 |
| 23 | Emerson Process Management (M) Sdn Bhd | 3016 |
| 24 | Enserv Sdn Bhd | 3017 |
| 25 | PETRONAS Chemicals Ethylene Sdn Bhd | 3019 |
| 26 | Excellent EE Sdn Bhd | 3212 |
| 27 | Faizy Sdn Bhd | 3129 |
| 28 | Foster Wheeler E&C (Malaysia) Sdn Bhd | 3020 |
| 29 | G&P Professionals Sdn Bhd | 3134 |
| 30 | Gasfloat Sdn Bhd | 3159 |
| 31 | BHGE Oil & Gas | 3164 |
| 32 | Honeywell Engineering Sdn Bhd | 3219 |
| 33 | H Rosen Engineering (M) Sdn Bhd | 3026 |
| 34 | Handal Engineering Sdn Bhd | 3027 |
| 35 | Hemat Marine Sdn Bhd | 3194 |
| 36 | Highbase Strategic Sdn Bhd | 3152 |
| 37 | Hitachi Asia (M) Sdn Bhd | 3116 |
| 38 | Hong Leong Investment Bank Berhad | 3207 |
| 39 | Integrated Petroleum Services Sdn Bhd | 3141 |
| 40 | Integrated Well Services Sdn Bhd | 3156 |
| 41 | Into Solutions Sdn Bhd | 3034 |
| 42 | JX Nippon Oil & Gas Exploration (M) Ltd | 3062 |
| 43 | Kawasaki Gas Turbine Asia Sdn Bhd | 3038 |
| 44 | Kebabangan Petroleum Operating Company Sdn Bhd | 3177 |
| 45 | Kejuruteraan Jayagas Sdn Bhd | 3040 |
| 46 | Kellogg Brown & Root Consultancy (M) Sdn Bhd | 3041 |
| 47 | Kontena Nasional Global Logistics Sdn Bhd | 3042 |
| 48 | KROHNE EMAS Oil & Gas Sdn Bhd | 3206 |
| 49 | Kuala Langat Power Plant Snd Bhd | 3025 |
| 50 | Lloyd’s Register Technical Sdn Bhd | 3045 |
| 51 | LP Gas Industries Sdn Bhd | 3046 |
| 52 | Sabah International Petroleum Sdn Bhd | 3047 |
| 53 | Malaysia Marine & Heavy Engineering Sdn Bhd | 3050 |
| 54 | Maps & Globe Specialist Distributor Sdn Bhd | 3136 |
| 55 | Maser Marine Engineering Sdn Bhd | 3197 |
| 56 | MASER (M) Sdn Bhd | 3052 |
| 57 | Megapadu Sdn Bhd | 3117 |
| 58 | Mentor Solutions & Resources Sdn Bhd | 3143 |
| 59 | Metertek Sdn Bhd | 3138 |
| 60 | MDC Oil & Gas (SK320) Ltd (Mubadala Petroleum) | 3211 |
| 61 | MIR Valve Sdn Bhd | 3151 |
| 62 | MISC Berhad | 3054 |
| 63 | WZS Misi Setia Sdn Bhd (formerly known as Misi Setia Oil & Gas Sdn Bhd) | 3039 |
| 64 | Mitsui & Co. (Asia Pacific) Pte Ltd. | 3055 |
| 65 | Muhibbah Engineering Sdn Bhd | 3170 |
| 66 | Multi-Engineering & Management Sdn Bhd | 3131 |
| 67 | SapuraKencana Energy Peninsula Malaysia Inc (formerly Known as Newfield Peninsula Malaysia Inc) |
3160 |
| 68 | Newwin Engineering (M) Sdn Bhd | 3060 |
| 69 | NGC Energy Sdn Bhd | 3188 |
| 70 | Olio Resources Sdn Bhd | 3145 |
| 71 | PBJV Group Sdn Bhd | 3067 |
| 72 | Penaga Dresser Sdn Bhd | 3070 |
| 73 | Petra Energy Berhad | 3210 |
| 74 | PetroNRG Sdn Bhd | 3220 |
| 75 | PetroEdge Sdn Bhd | 3166 |
| 76 | PETROFAC (Malaysia-PM304) Limited | 3189 |
| 77 | Perfect Combustion Sdn Bhd | 3204 |
| 78 | PetroMalaysia Sdn Bhd | 3132 |
| 79 | PETRONAS LNG Sdn Bhd | 3187 |
| 80 | PETRONAS NGV Sdn Bhd | 3075 |
| 81 | PETRONAS Research Sdn Bhd | 3076 |
| 82 | Prosernat (M) Sdn Bhd | 3202 |
| 83 | PFC Engineering Sdn Bhd | 3077 |
| 84 | Protank Technologies Sdn Bhd | 3142 |
| 85 | Protek Engineering Sdn Bhd | 3081 |
| 86 | Rinnai (Malaysia) Sdn Bhd | 3190 |
| 87 | ROC Oil Sarawak Sdn Bhd | 3172 |
| 88 | Romstar Sdn Bhd | 3221 |
| 89 | Sabah Electricity Sdn Bhd | 3196 |
| 90 | Sapura Energy Berhad | 3148 |
| 91 | Scomi Group Bhd | 3090 |
| 92 | Sedia Engineering Works Sdn Bhd | 3133 |
| 93 | Segari Energy Ventures Sdn Bhd (Malakoff) | 3091 |
| 94 | SEAMOG Group Sdn Bhd | 3222 |
| 95 | Sedia Teguh Sdn Bhd | 3223 |
| 96 | Shell MDS (M) Sdn Bhd | 3125 |
| 97 | Siemens Malaysia Sdn Bhd | 3093 |
| 98 | Sime Darby Berhad | 3094 |
| 99 | Sime Darby Lockton Insurance Brokers Sdn Bhd | 3201 |
| 100 | Sirim Berhad | 3095 |
| 101 | Schlumberger WTA (M) Sdn Bhd | 3191 |
| 102 | Solar Alert Sdn Bhd | 3118 |
| 103 | Tanjung Offshore Sdn Bhd | 3100 |
| 104 | Technip Geoproduction (M) Sdn Bhd | 3147 |
| 105 | TH Heavy Engineering Sdn Bhd | 3217 |
| 106 | The Boston Consulting Group | 3179 |
| 107 | Tokyo Gas Asia PTE. LTD | 3105 |
| 108 | Totalmas Holding Sdn Bhd | 3106 |
| 109 | Toyo Engineering & Construction Sdn Bhd | 3107 |
| 110 | Trans Thai-Malaysia (Malaysia) Sdn Bhd | 3109 |
| 111 | Transwater API Sdn Bhd | 3111 |
| 112 | Tractors Petroleum Services Sdn Bhd | 3108 |
| 113 | United Electric Controls Company | 3218 |
| 114 | Upstream Downstream Process & Services Sdn Bhd | 3155 |
| 115 | Velesto Energy Berhad (UMW Oil & Gas Corporation Sdn Bhd) | 3183 |
| 116 | Valser Engineering & Services Sdn Bhd | 3162 |
| 117 | Vanguard Ventures Sdn Bhd | 3149 |
| 118 | Wasco Energy Ltd | 3126 |
| 119 | Wood Mackenzie Malaysia Sdn Bhd | 3137 |
| 120 | Yokogawa Kontrol Sdn Bhd | 3112 |
| 121 | YTL Power Generation Sdn Bhd | 3113 |
| 122 | Zaidun-Leeng Sdn Bhd | 3114 |
| 123 | CPP Petroleum Engineering Sdn Bhd | 3224 |
| 124 | Shapadu Energy Services Sdn Bhd | 3231 |
| 125 | Onyx Engineering Sdn Bhd | 3230 |
| 126 | Invest Energy Sdn Bhd | 3226 |
| 127 | N.U.R Power Sdn Bhd | 3229 |
| 128 | Essem Group Sdn Bhd | 3228 |
| 129 | MSTS Asia SDn Bhd | 3225 |
| 130 | Enra Power Systems Sdn Bhd | 3227 |