| Air Kauai | Air Kauai | — | (808) 246-4666 | Alarm and generators | Lihue · Kauai County | — | — |
| Alert Alarm Of Hawaii | Alert Alarm Of Hawaii | — | (808) 245-4243 | Alarm and generators | Lihue · Kauai County | — | — |
| Blue Knight Services Hawaii INC | Blue Knight Services Hawaii INC | — | (808) 822-5665 | Alarm and generators | Kapaʻa · Kauai County | — | — |
| It Kauai | It Kauai | — | (808) 246-4446 | Alarm and generators | Lihue · Kauai County | — | — |
| Kukui It | Kukui It | — | (808) 822-0080 | Alarm and generators | Lihue · Kauai County | — | — |
| Lifeline Fire & Security A Pye-Barker Fire & Safety Company | Lifeline Fire & Security A Pye-Barker Fire & Safety Company | — | (808) 548-5433 | Alarm and generators | Kapolei · Kauai County | — | — |
| Mauna Loa Helicopter Tours - Kauai | Mauna Loa Helicopter Tours - Kauai | — | (808) 245-7500 | Alarm and generators | Lihue · Kauai County | — | — |
| Normans Overhead Doors INC | Normans Overhead Doors INC | — | (808) 634-6411 | Alarm and generators | Kapaʻa · Kauai County | — | — |
| Securitas Security Services Usa Harbor Mall | Securitas Security Services Usa Harbor Mall | — | (808) 245-6270 | Alarm and generators | Lihue · Kauai County | — | — |
| Simplisafe | Simplisafe | customer-support@simplisafe.co.uk | — | Alarm and generators | Kauai · Kauai County | — | — |
| Ss Customs Car Stereo Store | Ss Customs Car Stereo Store | — | (808) 639-0545 | Alarm and generators | Lihue · Kauai County | — | — |
| Subo's Audio Installations | Subo's Audio Installations | — | (808) 634-2956 | Alarm and generators | Lihue · Kauai County | — | — |
| Wave Security Of Kauai | Wave Security Of Kauai | — | (808) 639-4446 | Alarm and generators | Kauai · Kauai County | — | — |