Top - Regular/Supporting Members


Total: 71 Companies (Arranged alphabetically) As of August, 2010

| A | B | C | D | E | F | G | H | I | J | K | M | N |
| O | P | S | T | Y | Supporting Members |

Aichi Corporation
Atlas Copco KK
Avolon Systems Corporation
Bomag Japan Co., Ltd.
Caterpillar Japan Ltd.
Chikusui Canycom, Inc.
Chowa Kogyo Co., Ltd.
Daiichi Techno Co., Ltd.
Daiwa Kiko Co., Ltd.
Denyo Co., Ltd.
Exen Co., Ltd.
Furukawa Rock Drill Co., Ltd
Furukawa Unic Corporation
Giken Seisakusho Co., Ltd.
Hanta Machinery Co., Ltd.
Hitachi Construction@Machinery Co., Ltd.
Hitachi Construction Machinery Camino Co., Ltd.
Hitachi Construction Machinery Tierra Co., Ltd.
Hitachi Sumitomo Heavy Industries Construction Crane Co., Ltd.
Hitachi Zosen Corporation
Hokuetsu Industries Co., Ltd.
IHI Construction Machinery Limited
IHI Transport Machinery Co., Ltd.
Kanto Tekko Co., Ltd.
Kato Works Co., Ltd.
Kawasaki Heavy Industries, Ltd.
KCM Corporation
Kitagawa Iron Works Co., Ltd.
Kobelco Construction Machinery Co.,Ltd.
Kobelco Cranes Co., Ltd.
Koken Boring Machine Co., Ltd.
Komatsu Ltd.
Komatsu Utility Co,Ltd.
Konan Construction Machinery Co., Ltd.
Kubota Corporation
Kurihara Co., Ltd.
KYC Machine Industry Co.,Ltd.
Kyokuto Kaihatsu Kogyo Co.,Ltd.
Maeda Seisakusho Co., Ltd.
Maruma Technica Co., Ltd.
Maruzen Kogyo Co., Ltd.
Meiwa Seisakusho, Ltd
Mikasa Sangyo Co., Ltd.
Mitsubishi Heavy Industries, Ltd.

Morooka Co., Ltd.
Nagano Industry Co., Ltd.
Nakayama Iron Works, Ltd.
Nikko Co., Ltd.
Nikko Diacrete Co., Ltd.
Nippon Pneumatic Mfg Co., Ltd.
Nippon Sharyo, Ltd.
Okada Aiyon Corporation
Putzmeister Japan Co., Ltd
Sakai Heavy Industries, Ltd.
Sakato Manufacturing Co., Ltd.
Sanwa Kikoh Co., Ltd.
Sanwa Kizai Co., Ltd.
Shinmaywa Industries, Ltd.
Sumitomo Construction Machinery Co., Ltd.
Symtec Co., Ltd.
Tadano Ltd.
Tanaka Iron Works Co., Ltd.
Taguchi Industrial Co., Ltd.
Takeuchi MFG. Co., Ltd.
TCM Corporation
Teisaku Corporation
Toho Chikakoki Co., Ltd.
Toku Pneumatic Tool Mfg. Co., Ltd.
Toyota Industries Corporation
Yanmar Construction Equipment Co., Ltd.
Yutani Industrial Co., Ltd.