| Acronym | Definition |
|---|
| BTI | Beverage Testing Institute |
| BTI | Boston Theological Institute |
| BTI | British American Tobacco (stock symbol) |
| BTI | Boyce Thompson Institute |
| Bti | Bacillus Thuringiensis Israelensis |
| BTI | BioTechnology Institute |
| BTI | Binding Tariff Information |
| BTI | Business Travel International |
| BTI | Breaker Technology, Inc. |
| BTI | Bahrain Training Institute (Isa Town, Bahrain) |
| BTI | Battery Technologies Inc. |
| BTI | Boulder Technology Incubator (Colorado) |
| BTI | Bible Training Institute (Lansing, MI) |
| BTI | Balanced Technology Initiative |
| BTI | Bay Technologies Inc. |
| BTI | Barbados Tourism Investment |
| BTI | Business & Technology Institute |
| BTI | Biomagnetic Technologies Inc. |
| BTI | Biomedical Technologies, Inc. |
| BTI | Broadband Trial Integration |
| BTI | Bring Them In |
| BTI | Biysk Technological Institute (Russia) |
| BTI | Behavior Therapy Institute |
| BTI | BACtalk Integrator (Alertron) |
| BTI | B'not Torah Institute |
| BTI | BethelTronix, Inc. |
| BTI | Buffer Time Index |
| BTI | Behavioral Training Institute |
| BTI | Business Technology Infrastructure |
| BTI | Big Ticket Item |
| BTI | Bulk Testing International (France) |
| BTI | Bible Teachers International |
| BTI | Business Technologies, Inc |
| BTI | Borneo Tourism Institute |
| BTI | Bureau d'Etudes Immobilier (French: Office of Real Estate Studies) |
| BTI | Business Technology Innovation |
| BTI | Bubble Technology Inc |
| BTI | Board of Trade and Industry |
| BTI | Bretagne Thermographie Infrarouge (French: Brittany Infrared Thermography; Brittany, France) |
| BTI | Bulletin Trimestriel d'Information (French: Quarterly Information Bulletin) |
| BTI | Bayview Tutorial Institute |
| BTI | BioTimber Inventory |
| BTI | Broadband Terminal Interface |
| BTI | British Travel International |
| BTI | Bluetooth Testing and Interoperability Working Group |
| BTI | Bear Trust International |
| BTI | Bouygues Télécom Initiatives (French telecommunications company) |
| BTI | Benefit Technologies International, Inc. |
| BTI | Baliwag Transit Inc (bus company, Philippines) |
| BTI | Baker Tilly International (accounting firm; various locations) |
| BTI | Berks Technical Institute (Wyomissing, PA) |