JOINT VENTURES
                          HBC Telecom Co., Ltd.
                          Tawana Container Co., Ltd.
                          Thai Copper Rod Co., Ltd.
                          Thai Refrigeration Components Co., Ltd.

BANGKOK CABLE GROUP
                          Bangkok Cable Co., Ltd.
                          Pongtipa Co., Ltd.
                          Indra Industrial Park Co., Ltd.
                          Bangkok Cable (Bangladesh) Ltd.
                          Bangkok Solar Co., Ltd.
                          Bangkok Solar Power Co., Ltd.