123 DTC definitions

Diagnostic Trouble Code 
Developmental Test Command 
Digital Trunk Controller 
Defense Trade Controls 
Diagnostic Trouble Codes 
Distributed Transaction Coordinator 
Design to Cost 
Domain Technology Committee 
Digital Technical Control 
Digital Transmit Command 
Data Transfer Cartridge 
Depository Trust Company 
Data Technology Corporation 
Data Transmission Center 
Digital Traffic Channel 
Datacommunications and Terminal Contro… 
Day Treatment Center 
Decoder Time Clock 
Deep Throaty Chuckle 
Desert Test Center 
Desert Tortoise Council 
Design Time Controls 
Desk-Top Communication 
Desk-Top Computer 
DeskTop Conferencing 
Developmental Testbed Center 
Digital Telephone Controller 
Digital Transmission Channel 
direct-to-consumer 
Disability tax credit