You can do a SAFARI in Chios Island with the:

SAFARI 

Information and reservation at 0271/27079&24562-FAX:27079

If You are EUROPIAN citizens You can have a car from:
EUROPCAR

Information and reservation at 0271/41031&20160&21604-FAX:41443

If You travell around COSMOS You want:
COSMOS

Information and reservation at 0271/32220 -FAX:27079

If You prefer a traditional Chios turist office You can call:
TRAVEL SHOP

Information and reservation at 0271/31207&41608 -FAX:41443
You can rent a car in Chios from:
Yellow Rent a car
Information and reservation at 0271/21073&094/540158-FAX:21173