
Tokyu Construction Co., Ltd.Kanagawa-ken, Japan

Koenig & Bauer AGBayern, Germany

Roctest Ltd.Quebec, Canada

Onomichi Dockyard Co., Ltd.Kyoto-fu, Japan

EMC International, Inc.

Besterra Co., LtdTokyo, Japan

Skanska ABStockholms Lan, Sweden

Dong Yang Steel Pipe Co., Ltd.

Berenguer Ingenieros SLMadrid, Spain

China Haisum Engineering Co., Ltd.Shanghai Shi, China

Itogumi Construction Co., Ltd.Hokkaido, Japan

Chodai Co., Ltd.Tokyo, Japan