NSI - Wiktionary, the free dictionary

From Wiktionary, the free dictionary

NSI

1. (UK, finance) Initialism of National Savings and Investments.
2. (US, historical) Initialism of National Space Institute.
3. (Bangladesh) Initialism of National Security Intelligence.

• INS, Ins, Ins., NIS, Niš, SIN, Sin, in's, ins, ins., nis, sin