What does ACHS stand for?

Aches (ABBR)

American Camp and Hospital Service

American Catholic Historical Society (EA)

Associate of the Society of the Chiropodists (SAUO)

Association of College Honor Societies (EA)

Association of Community Home Schools - British

Automatic Checkout System - NASA (AAG)

Chevron Canada Resources Ltd., Calgary, Alberta - Library symbol - National Library of Canada (NLC)