| NAME | TEL CODE | TELEPHONE | FAX | CITY | ADDRESS | POSTAL CODE |
| AVIS | 0242 | 91495 - 6 | KARDAMENA | 853 02 | ||
| BATEK SA/ EUROPCAR INTERRENT | 0242 | 24070 | KARDAMENA | Lagas Village Hotel | 853 02 | |
| ALPHA | 0242 | 22488 | KOS | 23, Bouboulinas St. | 853 00 | |
| AVIS | 0242 | 24641 - 5 | KOS | Oceanis Club | 853 00 | |
| AVIS | 0242 | 24272, 24489 | KOS | 3, Panagi Tsaldari St. | 853 00 | |
| BATEK SA/ EUROPCAR INTERRENT | 0242 | 24070 | 24071 | KOS | 24, M. Alexandrou St. | 853 00 |
| COS CAR | 0242 | 29651 | 25133 | KOS | 13, E. Venizelou St. | 853 00 |
| HELENS | 0242 | 22254, 28863 | KOS | 6, M. Alexandrou St. | 853 00 | |
| HELENS WATER SPORTS | 0242 | KOS | 1, Akti Zouroudi St. | 853 00 | ||
| HERMES | 0242 | 28720 | 24769 | KOS | 19, L. VIronos St. | 853 00 |
| HERTZ | 0242 | 28002, 23743 | KOS | 12, Ant.Ioannidou St. | 853 00 | |
| HERTZ | 0242 | 51515 | KOS | Kos Airport | 853 00 | |
| KENNING | 0242 | 24376 | 25877 | KOS | M.Venizelou St. | 853 00 |
| KENNING | 0242 | 25832 | KOS | Branch office 28, Veriopoulou St. | 853 00 | |
| TRUST | 0242 | 23315, 23814 | 25180 | KOS | 28a, Elef. Venizelou St. | 853 00 |
| VOYAGE | 0242 | 24611, 26242 | 23953 | KOS | 1, Bouboulinas St. | 853 00 |
| ZEUS | 0242 | 26237 | KOS | 11, Themistokleous St. | 853 00 |
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