I don't know where Tempe is in relation but here are a couple of websites I've found:
http://www.hssaz.org/services_vaccinations.html
And here's a list from this website:
http://www.adlaz.org/phoenix/#vetservices Low-Cost Shots
Local Petsmart and PetCo
Aztec Animal Hospital | Scottsdale | 480-945-8671
Van Aken Pet Hospital | 602-278-6632
AAWL | Phoenix | 602-273-6850 or 602-273-6852
Pet Vaccine Service | Valleywide | 800-3DOG-CAT