As at 31 December 2017, SNI's portfolio consisted of 32 (thirty-two) companies, including 24 (twenty-four) in normal operation, 6 (six) out of business (SPM, SITRAFER, SCS, SATC, MILKYWAY and CAMELCAB) and 1 (one) under liquidation (CAMSHIP IC).

The 32 (thirty-two) companies are grouped into three sectors, including 6 (six) in the primary sector, 14 (fourteen) in the secondary sector and 12 (twelve) in the tertiary sector.