| Name | Region |
|---|---|
| Antigua Computer Technology Co. Ltd | Saint John Parish |
| Antigua Public Utilities Authorities | Saint John Parish |
| Antigua Websites | Saint John Parish |
| Digicel Antigua and Barbuda | Saint John Parish |
| Karib Cable | Saint John Parish |
| Nic AG | Saint John Parish |
| Search Antigua, Inc. | Saint John Parish |
| SlySoft, Inc. | Saint John Parish |
| Tropical Studios | Saint John Parish |