• THE ASSOCIATED GENERAL CONTRACTORS OF JAPAN, INC.
  5-1, Hatchobori 2-chome, Chuo-ku, Tokyo 104-0032 Japan
  Tel: 03-3551-9396
• JAPAN CIVIL ENGINEERING CONTRACTORS ASSOCIATION, INC.
  5-1, Hatchobori 2-chome, Chuo-ku, Tokyo 104-0032 Japan
  Tel: 03-3552-3201
• JAPAN DREDGING & RECLAMATION ENGINEERING ASSOCIATION
  3-5, Akasaka 3-chome, Minato-ku, Tokyo 107-0052 Japan
  Tel: 03-5549-7468
• AIR-CONDITIONING & PLUMBING CONTRACTORS ASSOCIATION OF JAPAN
  8-1, Shintomi 2-chome, Chuo-ku,Tokyo 104-0041 Japan
  Tel: 03-3553-6431
• JAPAN CONSULTING ENGINEERS ASSOCIATION
  1-20, Toranomon 4-chome, Minato-ku, Tokyo 105-0001 Japan
  Tel: 03-3459-1331
• JAPAN ELECTRICAL CONSTRUCTION ASSOCIATION, INC.
  7-8, Moto-Akasaka 1-chome, Minato-ku, Tokyo 107-0051 Japan
  Tel: 03-5413-2161
• JAPAN ROAD CONTRACTORS ASSOCIATION
  5-1, Hatchobori 2-chome, Chuo-ku, Tokyo 104-0032 Japan
  Tel: 03-3537-3056

October, 2009