Homer: Adventure Alaska Car Rentals: http://www.adventurealaskacars.com/ 800-882-2808
Anchorage has all the big-name National rental companies as well some local folks we have used:
ABC Motorhome and Car Rentals: They have motorhomes, cars, vans, and SUV’s. They are close to the airport and have a shuttle. (907)279-2000 https://www.abcmotorhome.com
Midnight Sun Car Rental: Need a van to haul people, luggage, and fish? Try this place.
They have cars too. Close to the airport but not close enough to have the airport taxes
included. http://www.bnm.com/midnight.htm (907) 243-8806