| Name | Website | Location | |
|---|---|---|---|
| THE INSTITUTE OF MEASUREMENT & CONTROL | instmc.org | United Kingdom | View publication |
| The Institute of Internal Communication | ioic.org.uk | United Kingdom | View publication |
| The Institute for HealthCare Consumerism | theihcc.com | United States | View publication |
| Instinct Culture | instinctculture.com | United States | View publication |
| The Instigater Newsletter | marktercek.substack.com | United States | View publication |
| Instapro | insta-pro.com | United States | View publication |
| InstaPay | iconsolutions.com | United Kingdom | View publication |
| INSTANT | instant.me | United States | View publication |
| Instanbul Convention | istanbulconvention.online | Turkey | View publication |
| Installer | installeronline.co.uk | United Kingdom | View publication |