Resources

These are sites I've come across in searching to see what doggie services there are around my area. I do not vouch nor endorse any of them nor have confirmed that all are legitimate.

Organizations:
Oregon Humane Society (what animal lover would not have a link to this?)
The Pong Fund (providing animal food for those who need it)
Fences for Fido (nonprofit volunteers)

The Pixie Project (animal rescue) 

Pearl Animal Hospital
DoveLewis Emergency Animal Hospital
Multnomah County Animal Services

Doggie Day Cares (NE Portland/Downtown):
Dogs in the City
No Bonz About It
Townhouse Pet Care Center
Fetch Doggie Daycare
Stay Pet Hotel
Dog Gone Happy!
Virginia Woof Dog Daycare (works with youth employment training program)
Dogstar Daycare

Dog Training (may of the day-cares above offer this as well):
Happy-Go-Lucky Dog Training

Other Dog Walkers/Sitters:
PDX Pets on the GO!
Portland's Critter Queen
hotdiggity! pet walking + pet sitting

Fun fun:
Portland Pooch
FreeKibble (answer a question and donate 10 pieces of kibble; it's a legitimate charity!)