What does ATRM stand for?

Acute Transient Radiation Myelopathy - Oncology

Aetrium, Inc. - NASDAQ symbol (SAG)

After Torpedo Room

American Tax Reduction Movement (EA)

Army Training Resource Management - Military (MLEX)

Association Touristique Regionale de la Monteregie (ASC)

Trochu Municipal Library, Alberta - Library symbol - National Library of Canada (NLC)