| HTB | Hack The Box 
| Others |
| HTB | Hafnium Test Blade
| Others |
| HTB | Hampshire Trust Bank
| Others |
| HTB | Hand Tied Bouquet
| Others |
| HTB | Hand Truck Brake
| Others |
| HTB | Hannis T Bourgeois
| Others |
| HTB | Hardening Type Beam
| Others |
| HTB | Harold T Barrett
| Others |
| HTB | Heavens To Betsy
| Others |
| HTB | Help to Buy
| Others |
| HTB | Hide The Bodies
| Others |
| HTB | Hierachical Token Bucket
| Others |
| HTB | Hierarchical Token Bucket
| Others |
| HTB | High Technology Brigade
| Others |
| HTB | High Temperature Blanket
| Others |
| HTB | High Tension Blow
| Others |
| HTB | High Throughput Biomedicine
| Others |
| HTB | Highland Tap and Burger
| Others |
| HTB | Highway Traffic Board
| Others |
| HTB | Hokkaido Television Broadcasting
| Others |
| HTB | Hokkie Team Bierzicht
| Others |
| HTB | Holding The Bags
| Others |
| HTB | Holy Trinity Br
| Others |
| HTB | Holy Trinity Brompton
| Others |
| HTB | Honda Trading Do Brasil
| Others |
| HTB | Hostile Takeover Bank
| Others |
| HTB | Hot Tomato Brains
| Others |
| HTB | Hot Tub Bath
| Others |
| HTB | How To Basic
| Others |
| HTB | How to Buy
| Others |
| HTB | Huis Ten Bosch
| Others |
| HTB | Hungarian Testing Board
| Others |
| HTB | Huntington T Block
| Others |
| HTB | Hydraulic Tipping Box
| Others |
| HTB | Hydraulic Transmission Brakes
| Others |
| HTB | Hydraulic Transport Box
| Others |
| HTB | Hyundai Throttle Body
| Others |
| HTB | Hyundai Trucks and Buses
| Others |
| HTB | Terre-De-Bas, Guadeloupe
| Others |