What does DIW stand for?

Daiwa - NCIC firearms make code (NCIC)

Data Infoworks, Inc. - Commercial firm

Dead in the Water - Navy (NVT)

Defensive Information Warfare (SAUS)

Deionized Water (ABAC)

Department of Industrial Works (SAUO)

Design Information Worksheet

Deutsches Institut fuer Wirtschaftsforschung - Data Resources, Inc. - Database

Diagonal Wear - Tire maintenance

D-Inside Wire (SAUS)

Hoselton & Associates Inc., Honolulu, HI - Manufacturer code for watercraft hull identification number (USCG)

Northwestern Dinka - Language symbol (ETLW)