| # 01-33/34/35/37 | I.T. Digital Trading | 6337 3525 | 6336 3425 | | |
| # 02-11 | ISFnet Singapore Pte Ltd | 6883 1152 | 6883 1552 | www.isfnet.com.sg | sales@isfnet.com.sg |
| # 02-13 | Ixpert Solution | 6339 0765 | 6339 0767 | | www.jnvsolution.com |
| # 02-31 | ING Media Pte Ltd  | 6337 9945 | 6337 9937 | elif@ingmedia.com.sg | |
| # 03-08 | Intercontinental Communications Pte Ltd | 63334555 | 63364328 | intracom@singnet.com.sg | www.intra.com.sg |
| # 03-37 | Intari Electronics Pte Ltd | 63360795 | 63335618 | intari@intari.com.sg | www.intari.com.sg |
| # 03-61 | IT World Services | 63393524 | 63341310 | itworld@pacific.net.sg | |
| # 03-64 | Intari Electronics Pte Ltd | 6336 0795 | 6333 5618 | intari@intari.com.sg | www.intari.com.sg |
| # 03-67 / 84 | IT Harvest | 63320326 | 63360131 | | |
| # 03-84 | IT Harvest | 6332 0012 | 6336 5066 | | |
| # 04-25 | i -Gadgets Solution | 6336 6609 | | | |
| # 05-36 | Ink Gallery LLP | 63362853 | 63362853 | | |
| # 05-41 | Innovative International Technoloy Pte Ltd (Battery & GPS) | 6336 7323 | 6336 5056 | | |
| # 05-41 | Innovative International Technology Pte Ltd (Battery & GPS) | 6333 5598 | 6333 5598 | aloy@innovative-int.com | www.innovative.com.sg |
| # 05-79 | Inkstation Pte Ltd | 63393250 | 62388757 | | www.vip.com.sg |
| # 06-29 / 51 | ISTM Engineering PL | 63361928 | 6336 2278 | istm@pacific.net.sg | |
