| BTTC | Back To The Classics 
| Others |
| BTTC | Bahrain Technical & Trading Company
| Others |
| BTTC | Balaju Technical Training Center
| Others |
| BTTC | Ballincollig Table Tennis Club
| Others |
| BTTC | Barnet Table Tennis Centre
| Others |
| BTTC | Basic Teachers' Training College
| Others |
| BTTC | Bayport Training and Technical Center
| Others |
| BTTC | Behavior Treatment and Training Center
| Others |
| BTTC | Belgian Treboro Trading Company
| Others |
| BTTC | Belgische Tibetaanse Terrier Club
| Others |
| BTTC | Bellevue Table Tennis Club
| Others |
| BTTC | Berkeley Table Tennis Club
| Others |
| BTTC | Best Time To Call
| Others |
| BTTC | BETA Transformer Technology Corp
| Others |
| BTTC | Beta Transformer Technology Corporation
| Others |
| BTTC | Bishopbriggs Table Tennis Club
| Others |
| BTTC | Bloomberg Technology Training Certification
| Others |
| BTTC | Bobb & Thompson Technology Consulting
| Others |
| BTTC | Bombay Teacher's Training College
| Others |
| BTTC | Bombay Teachers' Training College
| Others |
| BTTC | Boston Terrier Club of Connecticut
| Others |
| BTTC | Brain Tumor Trials Collaborative
| Others |
| BTTC | Bridgestone Truck Tire Center
| Others |
| BTTC | Brighton Table Tennis Club
| Others |
| BTTC | British Teacher Training College
| Others |