JOINT VENTURES
                          HBC Telecom Co., Ltd.
                          Thai Hitachi Enamel Wire 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.
                          Bangkok Polyester Public Company Limited
                          Indra Industrial Park Co., Ltd.
                          Bangkok Cable (Bangladesh) Ltd.
                          Bangkok Solar Co., Ltd.
                          Bangkok Solar Power Co., Ltd.