What does MASK stand for?

Align-Rite International, Inc. - NASDAQ symbol (SAG)

Align-Rite Intl. - NASDAQ symbol

Maneuvering and Seakeeping

Medical Anatomy Segmentation Kit (DMAA)

Mobile Armored Strike Kommand - Game

Mothers and Fathers Aligned Saving Kids - Association (EA)

Multilevel Amplitude Shift Keying