Alphabetical List of Tunnel Boring Machine (TBM) Producers.

• CRCHI (China) 
• CREG (China)
• E-BERK (Turkey)
• IHI Corporation (Japan)
• Herrenknecht (Germany)
• Hitachi Zosen (Japan)
• Kawasaki (Japan)
• Komatsu (Japan)
• Lovsuns (China/Canada)  ex-Lovat company.
• NHI (China)
• Robbins (USA/China)
• SELI Technologies (Italy)
• STEC (China)
• Terratec (Australia)
• Tianye Tolian (China)