DICMA stands for Dictée Magnétique SA (French: Dictation Services, Magnetic)
DICAC stands for Development and Inter-Church Aid Commission (Addis Ababa, Ethiopia)
DIAND stands for Department of Indian Affairs and Northern Development (Government of Canada)
ACDUINS stands for Active Duty Under Instruction
ACCVD stands for Alcohol Catalytic Chemical Vapor Deposition (materials science)